CN105896960A - Voltage supply system with boost converter and charge pump - Google Patents
Voltage supply system with boost converter and charge pump Download PDFInfo
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- CN105896960A CN105896960A CN201510639370.4A CN201510639370A CN105896960A CN 105896960 A CN105896960 A CN 105896960A CN 201510639370 A CN201510639370 A CN 201510639370A CN 105896960 A CN105896960 A CN 105896960A
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- Prior art keywords
- voltage
- power
- output
- supply system
- charge pump
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
- H02M3/072—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps adapted to generate an output voltage whose value is lower than the input voltage
Abstract
Voltage supply system with boost converter and charge pump. A voltage supply system can include a boost converter controllable to receive an input voltage at an input node and generate an output voltage when the output voltage is greater than or equal to the input voltage. The voltage supply system can include a charge pump controllable to receive the input voltage at the input node and generate the output voltage when the output voltage is less than the input voltage. The voltage supply system can further include a controller configured to receive a control signal and control the boost converter or the charge pump to generate the output voltage at an output node based on the control signal.
Description
Cross-Reference to Related Applications
This application claims on February 15th, 2015 submits to, invention entitled " DEVICES AND
METHODS RELATED TO MULTI-MODE POWER MANAGEMENT is (with multimode
The Apparatus and method for that formula power management is relevant) " the priority of U.S. Provisional Application No. 62/116,458,
Hereby by quoting, the disclosure of which is the most all herein incorporated.
Technical field
Present application relates generally to power voltage supply system (voltage supply system).
Background technology
Power amplifying system can be supplied by the voltage being used for providing (deriving from cell voltage) supply voltage
Electricity system is powered.Supply voltage can be changed, to reduce the quantity of power that power amplifier is used.Reason
Think ground, power amplifier supply voltage should such as from substantially 10 volts (V) down to the 20dB of 1V
Average output power is followed the tracks of on window.Situation at the nominal battery voltage (Vbatt) of given approximation 3.8V
Under, it is possible to use boost function generates the supply voltage more than Vbatt, and can utilize blood pressure lowering merit
The supply voltage less than Vbatt can be generated.
Summary of the invention
According to some embodiments, the application relates to a kind of power voltage supply system.Described power voltage supply system
Including boost converter, it is controlled to receive the input voltage at input node, and at output voltage
Described output voltage is generated during more than or equal to described input voltage.Described power voltage supply system includes electric charge
Pump, is controlled to receive the input voltage at described input node, and is less than at described output voltage
Described output voltage is generated during described input voltage.Described power voltage supply system includes controller, is configured
For receiving control signal, and control described boost converter or described electric charge based on described control signal
Pump generates described output voltage at output node.
In certain embodiments, indicating first mode in response to described control signal, described controller is permissible
It is configured to control described electric charge pump and generates the output voltage less than described input voltage.In some embodiments
In, indicating described first mode in response to described control signal, described controller can be configured to control
Described electric charge pump generates the approximately half output voltage of described input voltage.In certain embodiments, response
Indicating described first mode in described control signal, described controller can be configured to control by electric charge pump
Described output voltage is delivered to described output node by road circuit.
In certain embodiments, indicating the second pattern in response to described control signal, described controller is permissible
It is configured to control described boost converter and generates the output voltage equal to described input voltage.Real at some
Executing in example, indicate described second pattern in response to described control signal, described controller can be configured to
Operate one or more switches of described boost converter, so that described input voltage is electric as described output
Pressure is delivered to described output node.
In certain embodiments, indicating the 3rd pattern in response to described control signal, described controller is permissible
It is configured to control described boost converter and generates the output voltage more than described input voltage.Real at some
Executing in example, indicate described 3rd pattern in response to described control signal, described controller can be configured to
Periodically operate one or more switches of described boost converter, so that described input voltage to be risen
Pressure, thus generate described output voltage at described output node.
In certain embodiments, described boost converter can include inducer and one or more switch.
In certain embodiments, the one or more switch may include that the first switch；It is coupled in described electricity
Between sensor and ground voltage；And second switch, it is coupled between described inducer and described output node.
In certain embodiments, described boost converter is not included between described inducer and described input node
The switch coupled.
In certain embodiments, indicating the second pattern in response to described control signal, described controller is permissible
Be configured to disconnect described first switch and close described second switch, using by described input voltage as institute
State output voltage and be delivered to described output node.In certain embodiments, refer in response to described control signal
Show the 3rd pattern, described controller can be configured to be periodically turned off and close described first switch and
Described second switch, to boost described input voltage, thus generates described at described output node
Output voltage.
In certain embodiments, described electric charge pump can include one or more capacitor.Implement at some
In mode, described electric charge pump does not include inducer.
In some embodiments, described input voltage is substantially equal to cell voltage.
In some embodiments, the application relates to a kind of radio frequency (RF) module, including package substrate,
It is configured to accommodate multiple parts.Described RF module includes power voltage supply system, it is achieved in described encapsulation
On substrate.Described power voltage supply system includes boost converter, is controlled to receive at input node
Input voltage, and generate described output voltage when output voltage is more than or equal to described input voltage.
Described power voltage supply system includes electric charge pump, is controlled to receive the input voltage at described input node,
And generate described output voltage when described output voltage is less than described input voltage.Described power voltage supply
System includes controller, is configured to control described boost converter based on received control signal
Or described electric charge pump generates described output voltage at output node.
In certain embodiments, described RF module can be front-end module (FEM).
In certain embodiments, described power voltage supply system may include that power supply device；And one or
Multiple passive devices, are in described power supply device outside and are electrically connected to described power supply device.
In some embodiments, the application relates to a kind of wireless device, including: transceiver, it is configured
For generating radio frequency (RF) signal.Described wireless device includes front-end module (FEM), with described transmitting-receiving
Machine communicates.Described FEM includes package substrate, is configured to accommodate multiple parts.Described FEM
Including power amplifying system, it is achieved in described package substrate, and it is configured to amplify described RF letter
Number.Described power amplifying system includes power voltage supply system.Described power voltage supply system includes boost conversion
Device, is controlled to receive the input voltage at input node, and at output voltage more than or equal to institute
Described output voltage is generated when stating input voltage.Described power voltage supply system includes electric charge pump, can be controlled
For receiving the input voltage at described input node, and at described output voltage less than described input voltage
Output voltage described in Shi Shengcheng.Described power voltage supply system includes controller, is configured to based on being received
To control signal control described boost converter or described electric charge pump generates described at output node
Output voltage.Described wireless device includes antenna, communicates with described FEM.Described antenna is joined
It is set to launch the RF signal after amplifying.
For general introduction the disclosure purpose, be described herein certain aspects of the invention, advantage and
Novel feature.Should be appreciated that any specific embodiment according to the present invention, it is not necessary to realize all this
A little advantages.Therefore, it is possible to according to realizing or optimizing such as an advantage here instructing or one group of advantage
Mode is practiced or carried out the present invention, as excellent in other here can instructed or advise without realizing
Point.
Accompanying drawing explanation
Fig. 1 illustrates the block diagram of the power voltage supply system with one or more features as described herein.
Fig. 2 illustrates the circuit diagram of exemplary buck boost converter.
Fig. 3 illustrates the circuit diagram of the boost converter that example optimizes.
Fig. 4 illustrates the block diagram of the power voltage supply system for multiple mode power management.
Fig. 5 illustrates the power voltage supply system including boost converter and electric charge pump.
Fig. 6 illustrates the power voltage supply system including multiple switch.
Fig. 7 illustrates the supply voltage of the power amplifier the receiving supply voltage curve chart to output.
Fig. 8 illustrates the curve chart of battery current distribution (profile) of the function as PA power,
And also illustrate DG09 distribution.
Fig. 9 illustrates the flow chart performance of the method for operation power voltage supply system.
Figure 10 depicts the module with one or more features as described herein.
Figure 11 depicts the wireless device with one or more features as described herein.
Detailed description of the invention
If any, for the sake of the title here provided is just to convenience, and should not affect requirement and protect
The scope of the invention protected or implication.
Fig. 1 illustrates the power voltage supply system 100 with one or more features as described herein
Block diagram.Power voltage supply system 100 can generate according to such as input voltage (Vbatt) from battery
One or more output voltages, such as supply voltage (Vcc).Supply voltage system 100 can be defeated
Enter reception input voltage at end, and provide output voltage at output.Power voltage supply system 100 is also
May include that Enable Pin, be used for receiving enable signal；And reference edge, it is used for receiving reference voltage (Vref)
Or the signal of instruction reference voltage, it indicates how to convert input voltage into output voltage.Specifically,
In view of input voltage can be relatively-stationary, output voltage can be based on reference voltage.
In some applications, the power voltage supply system 100 of Fig. 1 may be used at such as wireless device etc
Portable electron device in provide power amplifier (PA) supply voltage.Although at such context
Described in various examples, it will be understood that, it is also possible to utilize of the application or many in other applications
Individual feature.
It is desirable that PA supply voltage should such as from substantially 10V (volt) down to the 20dB of 1V
Average output power is followed the tracks of on window.Situation at the nominal battery voltage (Vbatt) of given approximation 3.8V
Under, it is possible to use (as performed by boost converter) boost function generates the power supply more than Vbatt
Voltage, and (as performed by step-down controller) buck functionality can be utilized to generate less than Vbatt
Supply voltage.
In some PA apply, important performance parameter is (such as, approximation 9.5 at high-output power
At V supply voltage) system power consumption (current drain).Correspondingly, boosting efficiency is important
Design consideration.Buck-boost converter structure generally makes boosting efficiency deteriorate about 3-5 point,
And it is considered as unacceptable in some PA apply.
Described here is the Apparatus and method for relevant to multiple mode power management, wherein, boost conversion
Device can be configured and for high power range, bypass circuit can be configured and for mid power
Scope, and (such as, including the output of Vbatt/2) electric charge pump can be configured and for low merit
Rate scope.As described herein, this multiple mode power management system can utilize the material of system clear
A small amount of parts in single (BOM) (such as, in the step-down controller of low power ranges with one
(opposed) capacitor that inducer is relative) reach in the most whole dynamic range all
Acceptable performance.
Fig. 2 illustrates the circuit diagram of exemplary buck boost converter 200.As being commonly understood by, (such as,
Being carried out by controller 201) controlled operation of switch 211-214 can cause and inducer 221 and electricity
The accumulation of the energy that container 231 is associated and transfer.This operation can cause receiving than in input node
The output voltage (Vcc) at output node that the input voltage (Vbatt) that arrives is greater or lesser.Such as,
Vbatt may be in the scope of 2.5V to 4.8V, and Vcc may be at the model of 1.2V to 11V
In enclosing.
In the buck-boost converter 200 of Fig. 2, the first switch 211 is coupled in input node and inductance
Between device 211, and it is provided for the output voltage buck functionality less than input voltage.But,
First switch 211 may introduce loss, and it makes output voltage be more than the boost function of input voltage then
Performance degradation.
Fig. 3 illustrates the circuit diagram of the boost converter 300 that example optimizes.(such as, by controller 301
Carrying out) controlled operation of switch 311-312 can cause relevant to inducer 321 and capacitor 331
The accumulation of the energy of connection and transfer.This operation can cause than the input voltage received in input node
(Vbatt) output voltage (Vcc) at bigger output node.Such as, Vbatt may be at 2.5V
In the scope of 4.8V, and Vout can be at about 10V.At the boost converter 300 optimized
In, it is possible to achieve from the feedback of output to controller 301, thus regulate output voltage with expected value.
Thus, with the buck-boost converter 200 of Fig. 2 differently, the boost converter of the optimization of Fig. 3
300 not included in the switch coupled between inducer 321 and input node.But, the optimization of Fig. 3
Boost converter 300 does not generally support the output voltage less than input voltage.
(such as, by controller 301) boost converter of optimization of Fig. 3 can be controlled, by providing
Road function.In view of the operation of switch 311-312 can cause relevant to inducer 321 and capacitor 331
The accumulation of the energy of connection and transfer, to provide boost function, disconnect the first switch 311 and Guan Bi second switch
312 can provide bypass functionality, and wherein output voltage (Vcc) is approximately equal to input voltage (Vbatt).
Fig. 4 illustrates the block diagram of the power voltage supply system 400 for multiple mode power management.Power voltage supply
System receives input voltage (Vbatt) in input node, and provides output voltage (Vcc) at output node.
Power voltage supply system 400 includes power supply device 402 (such as, wafer (die) or module), has:
Booster circuit 404, for generating the output voltage more than input voltage；Bypass (bypass) circuit 406,
For transmitting input voltage as output voltage；And charge pump circuit 408, for generating less than input
The output voltage of voltage.
The various functions that power voltage supply system 400 also includes promoting being associated with power supply device 400
One or more passive devices 410 (such as, capacitor and/or inducer).In certain embodiments,
(respectively) passive device may be at outside power supply device, and is electrically connected to this power supply device.As showing
Example, the capacitor of booster circuit 404, the inducer of passive device 410 and passive device 410 is permissible
Form boost converter, such as, the boost converter 300 of the optimization of Fig. 3.As another example, electricity
One or more capacitors of lotus pump circuit 408 and passive device 410 can form electric charge pump.
In some embodiments, booster circuit 404 and bypass circuit 406 include at least some identical portions
Part.Specifically, as discussed further below, booster circuit and bypass circuit can include identical
Two switches, it can be configured to supply boost function or bypass functionality.
In the example of fig. 4 (and running through the application), input voltage is designated as by battery (Vbatt)
There is provided.It is to be appreciated, however, that can also input in the system in the source in addition to battery
Realize one or more features of the application.
Fig. 5 illustrates the power voltage supply system 500 including boost converter and electric charge pump.Power voltage supply system
System includes power supply device 502 (such as, wafer or module), and it includes input node 591, is used for connecing
Receive input voltage (Vbatt)；And output node 592, it is used for providing output voltage (Vcc).Defeated
Ingress couples via the first capacitor 531 that the change on input voltage carries out branch (shunt)
To ground voltage.Output node 592 is via the change on output voltage being carried out branch and realizing boost conversion
Second capacitor 532 of the capacitor of device and be coupled to ground voltage.
Power supply device 502 includes two switching node 593a-593b, and it couples via inducer 521
To input voltage.Inducer 521 realizes the inducer of boost converter.Power supply device 502 includes two
Electric charge pump node 594a-594b, it is via realizing the 3rd capacitor 532 of capacitor of electric charge pump and coupling
It is combined.
Power supply device 502 includes step-up converter circuit 504, is controlled to generate more than (boosting merit
Can) or equal to the output voltage of (bypass functionality) input voltage.Such as, to high pressure (HV) power
Amplifier (PA) provides output voltage, as supply voltage.Such as, this HV PA can include
HV mean power follows the tracks of (APT) PA.Power voltage supply system 500 can include boost converter, its
Including step-up converter circuit 504, inducer 521 and the second capacitor 532.
Power supply device 502 also includes charge pump circuit 508, is controlled to generate less than input voltage
Output voltage.Charge pump circuit 508 can be configurable to generate low pressure (LV) output, and it is illustrated
For providing output node 592 through bypass circuit 510.
In certain embodiments, charge pump circuit 508 can utilize the 3rd capacitor 533 (such as, to fly
Across (flying) capacitor) operate, can be such as input voltage twice or input electricity to generate
The desired output of pressure half.The example electric charge pump that can serve as electric charge pump is described on February 15th, 2015
Submit to invention entitled " INTERLEAVED DUAL OUTPUT CHARGE PUMP is (staggered
Dual output electric charge pump) " U.S. Provisional Application No. 62/116,457 and JIUYUE in 2015 22 days
Submit to invention entitled " INTERLEAVED DUAL OUTPUT CHARGE PUMP is (staggered
Dual output electric charge pump) " U. S. application the 14/861st, 058 in, hereby by quoting and it is every
The disclosure of one is the most all herein incorporated.
Fig. 6 illustrates the power voltage supply system 600 including multiple switch 611-613.Power voltage supply system
600 include power supply device 602 (such as, wafer or module), and it includes input node 691, is used for connecing
Receive input voltage (Vbatt)；And output node 692, it is used for providing output voltage (Vcc).Defeated
Ingress 691 via the change on input voltage is carried out branch (shunt) the first capacitor 531 and
It is coupled to ground voltage.Output node 692 is via the change on output voltage carrying out branch and realizing boosting
Second capacitor 632 of the capacitor of transducer and be coupled to ground voltage.
Power supply device 602 includes two switching node 693a-693b, and it couples via inducer 621
To input voltage.Inducer 621 realizes the inducer of boost converter.Boost converter also includes existing
Step-up converter circuit 604 on power supply device 602, it is included in the first switching node 693a and ground
First coupled between voltage switchs 611 and between second switch node 693b and output node 692
The second switch 612 coupled.
First switch 611 and second switch 612 can be controlled to be used for and electricity by (such as, controller 601)
The accumulation of the energy that sensor 621 and capacitor 632 are associated and transfer, with raw at output node 692
Become the output voltage more than the input voltage at input node 691.Thus, controller 601 can be joined
It is set to periodically operate switch 611-612, so that input voltage to be boosted, thus at output node
Output voltage is generated at 692.
First switch 611 and second switch 612 also can be controlled as passing through by (such as, controller 601)
Disconnect the first switch 611 and Guan Bi second switch 612 provides bypass functionality so that output node 692
The output voltage at place is approximately equal to the input voltage at input node 691.Thus, controller 601 is permissible
It is configured to operation switch 611-612, so that input voltage is delivered to output node as output voltage.
In some embodiments, power supply device 602 includes the side separated with step-up converter circuit 604
Road circuit (not shown), for being delivered to output node using input voltage as output voltage.Such as,
In some embodiments, it is possible to achieve the first switch 611 and second switch 612, thus with higher
Switching loss is that cost next (when performing boost function) changes state rapidly.Thus, power supply device
602 can include bypass circuit, and it includes (coupled in series at input node 691 and output node 692
Between) switch more slowly, this switchs relatively slowly and changes state unlike second switch 612 rapidly, but
It is that there is the switching loss lower than second switch 612.
Power supply device 602 includes two electric charge pump node 694a-694b, and it is via the electricity realizing electric charge pump
3rd capacitor 632 of container and be coupled.Power supply device 602 includes charge pump circuit 608,
Can be controlled as generating the output voltage less than input voltage by (such as, controller 601).Real at some
Executing in example, charge pump circuit 608 can utilize the 3rd capacitor 633 (such as, flying capacitor) to enter
Row operation, can be such as input voltage twice or the desired output of input voltage half to generate.Electric charge
The output of pump circuit 608 can by include controller 601 controlled the 3rd switch 613 bypass circuit
610 provide output node 692.
Power supply device 602 can include one or more control node 695, is used for receiving one or more
Control signal.Controlling node 695 and can be couple to controller 601, it can receive believes with processing controls
Number.Thus, power voltage supply system 600 includes boost converter, can is by (controller 601) control
Receive the input voltage at input node 691, and more than (boost function) or be equal at output voltage
During (bypass functionality) input voltage, generate output voltage.Boost converter can include being present in power supply
Boost control circuit on device 602 604 and be in outside power supply device 602 one or more passive
Device (such as, inducer 621 and the second capacitor 632).Power voltage supply system 600 includes electric charge
Pump, can be controlled as receiving the input voltage at input node 691 by (controller 601), and defeated
When going out voltage less than input voltage, generate output voltage.Electric charge pump can include being present in power supply device 602
On charge pump circuit 608 and be in the one or more passive devices outside power supply device 602 (such as,
3rd capacitor 633).Power voltage supply system 600 includes controller 601, is configured to (such as,
Via controlling node 695) receive control signal, and control boost converter based on this control signal
Or electric charge pump generates output voltage at output node 692.
In some embodiments, control signal instruction operator scheme.Control signal can be in many ways
Indicate operator scheme.In some embodiments, control signal directly indicates one of various modes.?
In some embodiments, the target output that control signal instruction is corresponding with one of various modes.One
In a little embodiments, the target supply voltage that control signal instruction is corresponding with one of various modes.
First mode (such as, low-voltage, decompression mode or voltage drop is indicated in response to control signal
Low mode), controller 601 is configured to control electric charge pump (such as, charge pump circuit 608 or electric charge
One or more switches in pump circuit) generate the output voltage less than input voltage.Some embodiment party
In formula, controller 601 is configured to control electric charge pump and generates the approximately half output voltage of input voltage.
In some embodiments, when control signal instruction first mode, controller 601 is configured to control
Electric charge pump bypass circuit 610, (will carry out the output of self charge pump), output voltage will be delivered to output node
692.Such as, controller 601 can be configured to respond to control signal instruction first mode close
3rd switch 613.
The second pattern (such as, middle die pressing type, bypass mode or voltage phase is indicated in response to control signal
Isotype), controller 601 is configured to control boost converter and generates the output electricity equal to input voltage
Pressure.In some embodiments, controller 601 is configured to operate the one or more of boost converter
Switch, to be delivered to output node 692 by input voltage as output voltage.Such as, controller 601
Can be configured to disconnect the first switch 611 and Guan Bi second switch 612, using by input voltage as defeated
Go out voltage and be delivered to output node 692.
As it has been described above, in some embodiments, power supply device 602 includes bypass circuit (not shown),
Separate with step-up converter circuit 604.Thus, in some embodiments, refer in response to control signal
Show that the second pattern, controller 601 are configured to control bypass circuit, so that input voltage is electric as output
Pressure is delivered to output node 692.
In response to control signal instruction the 3rd pattern, (such as, high pressure mode, boost mode or voltage increase
Add pattern), controller is configured to control boost converter and generates the output voltage more than input voltage.
In addition to instruction the 3rd pattern, control signal also can indicate that target output voltage.Controller 601 can
To control boost converter, so that input voltage to be boosted, thus obtain target output voltage.Real at some
Executing in mode, controller 601 is configured to periodically operate one or more switches of boost converter,
So that input voltage to be boosted, thus at output node 692, generate output voltage.Such as, control
Device 601 can be configured to be periodically turned off and close the first switch 611 and second switch 612, with
Input voltage is boosted, thus at output node 692, generates output voltage.
As it has been described above, (such as, boost converter can include inducer 621 and one or more switch
First coupled between inducer 621 and ground voltage switchs 611 and at inducer 621 and output joint
The second switch 612 coupled between point 692).In some embodiments, (the transducer with Fig. 2
200 differently) boost converter is not included in coupling between inducer 621 and input node 691
Switch.Specifically, power voltage supply system 600 is not included between inducer 621 and input node 691
The switch coupled.
Electric charge pump can include one or more capacitor (such as, the 3rd capacitor 633).Electric charge pump
One or more switch (such as, the switch of charge pump circuit 608) can also be included.But, one
In a little embodiments, electric charge pump does not include inducer.
Table 1 lists the first switch 611 (S1) of the control signal in response to instruction pattern, second opens
Close the state table of 612 (S2) and the 3rd switch 613 (S3).Specifically, in response to control signal
Instruction first mode (such as, low-voltage), the first switch 611 and second switch 612 turn off (example
As, disconnect), and the 3rd switch 613 connection (such as, Guan Bi).In response to control signal instruction the
Two modes (such as, middle die pressing type), the first switch 611 and the 3rd switch 613 shutoff, and second opens
Close 612 connections.In response to control signal instruction the 3rd pattern (such as, high pressure mode), the 3rd switch
613 turn off, and the first switch 611 and second switch 612 enter with switch mode (switched mode)
Row operation.
Table 1
| Pattern | S1 | S2 | S3 |
| Low pressure (electric charge pump) | Turn off | Turn off | Connect |
| Middle pressure (bypasses) | Turn off | Connect | Turn off |
| High pressure (boost converter) | Switch mode | Switch mode | Turn off |
Fig. 7 illustrates the supply voltage of the power amplifier the receiving supply voltage curve chart to output.
It is designated as the curve of 732 and can be used for producing the example ideal supply voltage of the scope of PA output
Distribution.The curve being designated as 731 is can be from the power voltage supply of the power voltage supply system 600 of such as Fig. 6
The example of multiple output voltages that system obtains.For purposes of illustration, it will be assumed that input voltage is substantially
Cell voltage equal to 3.8V.
When expectation low-power PA output (such as, first threshold 741 goal of output) and
And during control signal instruction first mode, power voltage supply system 600 can utilize electric charge pump to generate low pressure
Output (such as, Vbatt/2 ≈ 1.9V).When expectation mid power PA output (such as, first threshold
Target output between 741 and Second Threshold 742) and time control signal indicates the second pattern,
Power voltage supply system 600 can utilize boost converter (or individually other by utilizing as bypass circuit
Road circuit) generate in pressure output (such as, Vbatt).When (such as, expectation high power PA exports
The target output of Second Threshold more than 742) and control signal instruction three patterns time, voltage supply
Electricity system 600 can utilize boost converter to generate High voltage output.
Fig. 8 illustrates the curve chart of the battery current distribution 801-803 of the function as PA power, and
And also illustrate DG09 distribution 811.What DG09 distribution 811 instruction used at specific PA power can
Can property.Thus, it is to be added by DG09 distribution 811 to amass on PA power for the time being that common battery uses
The function drawing electric current (current drawn) divided.
First battery current distribution 801 illustrates (such as, using the transducer 300 of Fig. 3) boosting
/ bypass combination, CURRENT DISTRIBUTION 802 illustrates (such as, using the power voltage supply system 600 of Fig. 6)
Boosting/electric charge pump (divided by 2, divide-by-2) combines, and (such as, CURRENT DISTRIBUTION 803 illustrates
Use the transducer 200 of Fig. 2) step-up/down combination.The most specified merit in 28dBm condition
Rate condition, it can be seen that boosting as described herein/electric charge pump (divided by 2) combination causes about 20mA
Electric current save, make DG09 only deteriorate about 1.7mA simultaneously.
CURRENT DISTRIBUTION 802 illustrates boosting/charge pump combination surpasses step-up/down group at high PA power
Close (this is the switching loss owing to having lacked the next switch coupled between comfortable input node and inducer).
CURRENT DISTRIBUTION 802 illustrates boosting/charge pump combination surpasses boosting/bypass combination at relatively low PA power
(this is owing to using electric charge pump to reduce input voltage).
Fig. 9 illustrates the flow chart performance of the method for operation power voltage supply system.In some embodiments
(and describing in detail as example as following), method 900 is at least in part by the control of such as Fig. 6
The controller of device 601 etc performs.In some embodiments, the method 900 at least in part by
Process logic including hardware, firmware, software or a combination thereof performs.In some embodiments,
Method 900 is at least in part by performing in non-transitory computer-readable medium (such as, memorizer)
The processor of the code of storage performs.
Method 900 starts at block 910, and its middle controller receives in instructed voltage electric power system
Or the control signal of multiple pattern.Depend on Decision Block 922 (first mode？), 924 (the second patterns？)
Or 926 (the 3rd patterns？) as a result, it is possible to rightly configuration power voltage supply system.If controlling letter
Number instruction first mode, then controller can control electric charge pump in block 932 and generates less than input voltage
Output voltage.Controller can also control electric charge pump bypass circuit and output voltage is couple to output node.
If the control signal indicate that the second pattern, then controller can control bypass circuit by input in block 934
Voltage is delivered to output node as output voltage.If the control signal indicate that the 3rd pattern, then controller
Boost converter can be controlled in block 936 and generate the output voltage more than input voltage.Implement at some
In mode, bypass circuit is a part for boost pressure controller.In some embodiments, control signal refers to
Show target output voltage, and control signal controls boost converter and generates target output voltage.
At block 940, controller 940 can control power voltage supply system provides output to power amplifier
Voltage.
Figure 10 shows in certain embodiments, can realize having as described herein in a module
Some or all of power voltage supply system (such as, the configuration of Fig. 2-6) of one or more features.
This module can be such as front-end module (FEM).In the example of Figure 10, module 1000 is permissible
Including package substrate 1002, and multiple parts may be mounted in this package substrate.Such as, front end
Power management integrated circuits (FE-PMIC) parts 1004, power amplifier component 1006, matching part
Part 1008 and duplexer assembly 1010 can be installed and/or realize in package substrate 1002 and/or be somebody's turn to do
In package substrate 1002.The most multiple SMT device 1014 (such as, passive devices 410 of Fig. 4
And/or the inducer of Fig. 5 and 6 and/or capacitor) and antenna switch module (ASM) 1012 etc
Other parts can also be arranged in package substrate 1002.Although all of all parts is all depicted as
It is deployed in package substrate 1002, it will be understood that, other parts can be realized on some of the components.
In certain embodiments, the power voltage supply system of one or more features can having as described herein
System 1007 is embodied as a part for FE-PMIC parts 1004.
In some embodiments, there is device and/or the circuit of one or more feature described here
Can be included in the RF device of such as wireless device etc.Can directly wireless device, as
Modular form described herein or some of combination realize this device and/or circuit.Implement at some
In example, this wireless device such as can include cell phone, smart phone, with and without phone merit
The wireless handheld device of energy, wireless flat computer etc..
Figure 11 depicts the example wireless device with one or more favorable characteristics described here
1100.In the context of the module of the one or more features having as described herein, can pass through
This module usually described by dotted line frame 1000, and such as this module can be embodied as front end
Module (FEM).
With reference to Figure 11, it is corresponding that power amplifier (PA) 1120 can receive them from transceiver 1110
RF signal, this transceiver 1110 can configure in known manner and operate, and to put to generate
RF signal that is big and that launch, and process received signal.Transceiver 1110 is shown as and base band
Subsystem 1108 interacts, and this baseband subsystems 1108 is configured to supply the data being appropriate to user
And/or the conversion between voice signal and the RF signal being appropriate to transceiver 1110.Transceiver 1110 is also
Can communicate with power management components 1106, this power management components 1106 is configured to management and uses
Power in operation wireless device 1100.This power management can also control baseband subsystems 1108 He
The operation of module 1000.
Be shown as being connected to user interface 1102 by baseband subsystems 1108, provide a user with carrying out and
The speech received from user and/or the various inputs of data and output.Baseband subsystems 1108 can also connect
Receiving memorizer 1104, this memorizer 1104 is configured to store data and/or instruction, wireless to promote
The operation of device, and/or provide a user with the storage of information.
In example wireless device 1100, the output of each PA 1120 is shown as (via corresponding
Distribution road 1112) mate, and it is routed to they corresponding duplexers 1122.Sky can be passed through
This amplification and filtered signal are routed to antenna 1116, for transmitting by wiretap 1114.?
In some embodiments, duplexer 1122 can allow to use community antenna (such as, 1116) to come simultaneously
Ground performs to launch and receive operation.In fig. 11, illustrate route to such as may be used by received signal
To include " receiving (Rx) " path (not shown) of low-noise amplifier (LNA).
In certain embodiments, power voltage supply system 1007 as described herein can be embodied as this
A part for module 1000.
Other wireless devices multiple configuration can utilize one or more features described here.Such as,
Wireless device needs not to be multi-band device.In another example, wireless device can include such as diversity sky
The additional antenna of line etc and the additional connection features of such as Wi-Fi, bluetooth and GPS etc.
Unless context clearly requires otherwise, otherwise run through specification and claims, according to
The meaning of the adversative inclusive of exclusiveness or exhaustive, say, that according to " including but do not limit
In " meaning explain term " include (comprise) ", " comprising (comprising) " etc..As
Here the word generally used " couple " refer to two or more elements can be directly connected or by
Connect in one or more intermediary element.It addition, when used in this application, term " here ",
" above ", " below " should refer to the term of similar implication as overall the application rather than this Shen
Any concrete part please.When context allows, use the term in the above description of odd number or plural number
Plural number or odd number can also be included respectively.Mention the term "or" during list of two or more projects, this
Individual term contain this term explained below in whole: all in any project in list, list
Any combination of project in project and list.
The embodiment of the present invention discussed in detail above that be not intended to be exhaustive, or on limiting the invention to
Precise forms disclosed in face.Although describing the specific embodiment of the present invention the most for purposes of illustration
With the example for the present invention, but as the skilled person will recognize, within the scope of the present invention
Various equivalent modifications be possible.Such as, present process or block while in accordance with to definite sequence, but
The embodiment replaced can perform the process with the step of different order, or employing has different order
The system of block, and some process or block can be deleted, moves, adds, deducts, combines and/or repair
Change.Each in these process or block can be realized in various ways.Similarly, to the greatest extent
Process or block are shown as performing serially by pipe sometimes, but on the contrary, these process or block can also be also
Perform capablely, or can perform at different time.
The teachings of the present invention here provided can be applied to other system, without being above-mentioned to be
System.The element of each above-mentioned embodiment and action can be combined, further implement to provide
Example.
Although it have been described that some embodiments of the present invention, but present simply by means of example
These embodiments, and described embodiment is not intended to limit scope of the present application.In fact, can be according to many
Plant other forms and be implemented in novel method described herein and system；Here retouch furthermore, it is possible to be made at
The pro forma various omissions, substitutions and changes of the method and system stated, and without departing from the essence of the application
God.Accompanying drawing and their equivalent are intended to as fallen into this shape in scope of the present application and spirit
Formula or amendment.
Claims (20)
1. a power voltage supply system, including:
Boost converter, is controlled to receive the input voltage at input node, and at output voltage
Described output voltage is generated during more than or equal to described input voltage；
Electric charge pump, is controlled to receive the input voltage at described input node, and in described output
Described output voltage is generated when voltage is less than described input voltage；And
Controller, is configured to receive control signal, and controls described liter based on described control signal
Pressure converter or described electric charge pump generate described output voltage at output node.
Power voltage supply system the most according to claim 1, wherein, indicates in response to described control signal
First mode, described controller is configured to control the generation of described electric charge pump and is less than the defeated of described input voltage
Go out voltage.
Power voltage supply system the most according to claim 2, wherein, indicates in response to described control signal
Described first mode, described controller is configured to control described electric charge pump and generates described input voltage approximation
The output voltage of half.
Power voltage supply system the most according to claim 2, wherein, indicates in response to described control signal
Described first mode, described controller is configured to control electric charge pump bypass circuit and is passed by described output voltage
It is delivered to described output node.
Power voltage supply system the most according to claim 1, wherein, indicates in response to described control signal
Second pattern, described controller is configured to control described boost converter and generates equal to described input voltage
Output voltage.
Power voltage supply system the most according to claim 5, wherein, indicates in response to described control signal
Described second pattern, described controller is configured to operate one or more switches of described boost converter,
So that described input voltage is delivered to described output node as described output voltage.
Power voltage supply system the most according to claim 1, wherein, indicates in response to described control signal
3rd pattern, described controller is configured to control described boost converter and generates more than described input voltage
Output voltage.
Power voltage supply system the most according to claim 7, wherein, indicates in response to described control signal
Described 3rd pattern, described controller be configured to periodically to operate one of described boost converter or
Multiple switches, to boost described input voltage, thus generate described output at described output node
Voltage.
Power voltage supply system the most according to claim 1, wherein, described boost converter includes inductance
Device and one or more switch.
Power voltage supply system the most according to claim 9, wherein, the one or more switch includes:
First switch；It is coupled between described inducer and ground voltage；And second switch, it is coupled in described electricity
Between sensor and described output node.
11. power voltage supply systems according to claim 9, wherein, described boost converter not included in
The switch coupled between described inducer and described input node.
12. power voltage supply systems according to claim 10, wherein, refer in response to described control signal
Show that the second pattern, described controller are configured to disconnect described first switch and close described second switch,
So that described input voltage is delivered to described output node as described output voltage.
13. power voltage supply systems according to claim 10, wherein, refer in response to described control signal
Show that the 3rd pattern, described controller are configured to be periodically turned off and close described first switch with described
Second switch, to boost described input voltage, thus generates described output at described output node
Voltage.
14. power voltage supply systems according to claim 1, wherein, described electric charge pump includes one or many
Individual capacitor.
15. power voltage supply systems according to claim 14, wherein, described electric charge pump does not include inductance
Device.
16. power voltage supply systems according to claim 1, wherein, described input voltage is substantially equal to
Cell voltage.
17. 1 kinds of radio frequency modules, including:
Package substrate, is configured to accommodate multiple parts；And
Power voltage supply system, it is achieved in described package substrate, described power voltage supply system includes: boosting
Transducer, is controlled to receive the input voltage at input node, and output voltage more than or etc.
Described output voltage is generated when described input voltage；Electric charge pump, is controlled to receive described input joint
Input voltage at Dian, and described output electricity is generated when described output voltage is less than described input voltage
Pressure；And controller, it is configured to control described boost converter based on received control signal
Or described electric charge pump generates described output voltage at output node.
18. RF modules according to claim 17, wherein, described RF module is front-end module FEM.
19. RF modules according to claim 17, wherein, described power voltage supply system includes: power supply
Device；And one or more passive device, it is in described power supply device outside and be electrically connected to described
Power supply device.
20. 1 kinds of wireless devices, including:
Transceiver, is configurable to generate radio frequency rf signal；
Front-end module FEM, communicates with described transceiver, and described FEM includes: package substrate,
It is configured to accommodate multiple parts；And power amplifying system, it is achieved in described package substrate, and
Being configured to amplify described RF signal, described power amplifying system includes power voltage supply system, described electricity
Pressure electric power system includes: boost converter, is controlled to receive the input voltage at input node, and
And generate described output voltage when output voltage is more than or equal to described input voltage；Electric charge pump, can quilt
Control as receiving the input voltage at described input node, and at described output voltage less than described input
Described output voltage is generated during voltage；And controller, it is configured to based on received control signal
Control described boost converter or described electric charge pump generates described output voltage at output node；And
Antenna, communicates with described FEM, and described antenna is configured to launch the RF signal after amplifying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910419737.XA CN110112909A (en) | 2015-02-15 | 2015-09-30 | Power voltage supply system with boost converter and charge pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562116457P | 2015-02-15 | 2015-02-15 | |
| US201562116458P | 2015-02-15 | 2015-02-15 | |
| US62/116,458 | 2015-02-15 | ||
| US62/116,457 | 2015-02-15 | ||
| US14/861,058 | 2015-09-22 | ||
| US14/861,058 US10050522B2 (en) | 2015-02-15 | 2015-09-22 | Interleaved dual output charge pump |
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| CN201910419737.XA Division CN110112909A (en) | 2015-02-15 | 2015-09-30 | Power voltage supply system with boost converter and charge pump |
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| Publication Number | Publication Date |
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| CN105896960A true CN105896960A (en) | 2016-08-24 |
| CN105896960B CN105896960B (en) | 2019-04-05 |
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| CN201510633447.7A Active CN105896959B (en) | 2015-02-15 | 2015-09-29 | Staggered dual output charge pump |
| CN201510639370.4A Active CN105896960B (en) | 2015-02-15 | 2015-09-30 | Power voltage supply system with boost converter and charge pump |
| CN201910419737.XA Pending CN110112909A (en) | 2015-02-15 | 2015-09-30 | Power voltage supply system with boost converter and charge pump |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110112909A (en) | 2019-08-09 |
| CN105896959B (en) | 2019-03-08 |
| CN105896959A (en) | 2016-08-24 |
| CN105896960B (en) | 2019-04-05 |
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