CN106060904A - Power supply management system and method for bluetooth chip - Google Patents
Power supply management system and method for bluetooth chip Download PDFInfo
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- CN106060904A CN106060904A CN201610230308.4A CN201610230308A CN106060904A CN 106060904 A CN106060904 A CN 106060904A CN 201610230308 A CN201610230308 A CN 201610230308A CN 106060904 A CN106060904 A CN 106060904A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0296—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level switching to a backup power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a power supply management system and method for a bluetooth chip. The hardware structure of the power supply management system comprises a power supply module and a voltage stabilization module, and is characterized in that the power supply module comprises a first power supply unit and a second power supply unit, and the voltage stabilization module comprises a first voltage stabilization unit and a second voltage stabilization unit. When the power supply management system stays at a normal mode, the first power supply unit and the voltage stabilization module are in operation, and when the second power supply unit is turned off, the power supply management system provides power for a bluetooth device through the first power supply unit, the first voltage stabilization unit and the second voltage stabilization unit; and when the power supply management system stays at a low-power-consumption mode, the second power supply unit is in operation, the first power supply unit and the voltage stabilization module are turned off, and the power supply management system provides power for the bluetooth device through the second power supply unit. According to the power supply management system and method provided by the invention for the bluetooth chip, the power supply management system can get into the low-power-consumption mode when the bluetooth chip does not get into operation beyond set time, and the standby time is prolonged.
Description
Technical field
The present invention relates to Bluetooth technology field, be specifically related to a kind of power-supply management system for Bluetooth chip and method.
Background technology
Generally not one communications protocol worked long hours of bluetooth, so stand-by power consumption is for bluetooth communication equipment
Particularly significant, that particularly some baby batteries are powered application, the capacity of battery often directly affects the stand-by time of Bluetooth chip.
At present, Bluetooth chip on the market, such as bluetooth earphone, its stand-by time also directly influences the user's body of consumer
Test, therefore, how to optimize the power management of Bluetooth chip, when reducing the energy consumption of Bluetooth chip and extend Bluetooth chip standby
Between, it is industry major issue urgently to be resolved hurrily.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of Bluetooth chip of working as and exceed setting time not work
Low-power consumption mode can be entered, it is achieved extend power-supply management system and the method for Bluetooth chip stand-by time when making.
The present invention solves that its technical problem be the technical scheme is that
A kind of power-supply management system for Bluetooth chip, it is characterised in that include power module and Voltage stabilizing module, described power supply
Module includes the first power subsystem and second source unit, and described Voltage stabilizing module includes the first voltage regulation unit and the second voltage stabilizing list
It is connected with the RF module of Bluetooth chip after unit, described first voltage regulation unit and the first switch S1 parallel connection, described second voltage regulation unit
Being connected with switching S3 with the logic module and the 3rd of Bluetooth chip respectively after second switch S2 parallel connection, described 3rd switch S3 is with blue
The idle module of tooth chip is connected.
Further, described first power subsystem also includes a reference voltage unit.
Further, described first power subsystem, second source unit, the first voltage regulation unit, the second voltage regulation unit and benchmark
Voltage cell is provided with Enable Pin respectively.
Further, described first power subsystem and second source unit are BUCK circuit.
Further, described 3rd switch S3 is 4 road paralleling switches.
The present invention solves that its technical problem be the technical scheme is that
A kind of method for managing power supply for Bluetooth chip, described method is based on above-mentioned a kind of power management for Bluetooth chip
System, described power-supply management system includes normal mode and two kinds of mode of operations of low-power consumption mode, set the first power subsystem,
The enable signal of two power subsystems and reference voltage unit is respectively L1, L2 and L4, the first voltage regulation unit and the second voltage regulation unit
Enable signal be L3, L1 and L2 opposite in phase, it is characterised in that method for managing power supply specifically includes following steps:
1) initial operation mode of power-supply management system is set as normal mode, now the first power subsystem, the first voltage regulation unit
With the second voltage regulation unit work, second source unit is closed, by the first power subsystem, the first voltage regulation unit and the second voltage stabilizing list
Unit powers for Bluetooth chip；
2) if Bluetooth chip exceedes setting, the time does not works, then the system enable signal by unit Enable Pin, controls
Second source cell operation, the first power subsystem, the first voltage regulation unit and the second voltage regulation unit are closed, now by second source
Unit is that Bluetooth chip is powered, and enters low-power consumption mode；
3) if need to restart normal mode, then the first power supply list is controlled by the enable signal of unit Enable Pin
Unit, the first voltage regulation unit and the work of the second voltage regulation unit, second source unit is closed, by the first power subsystem, the first voltage stabilizing
Unit and the second voltage regulation unit are that Bluetooth chip is powered, and enter normal mode.
Further, it is switched to low-power consumption mode from normal mode and specifically includes following steps:
21) when enabling signal L1, L3 and L4 and being 1, S1 and S2 disconnects, and S3 closes, and power-supply management system is in normal mode；
22) when L1 from 1 upset be 0, when L3 and L4 is temporarily 1, first power subsystem close, second source cell operation, the 3rd
Switch S3 disconnects, and the first switch S1 and second switch S2 also remains open, and total output voltage Vout of power module begins to decline；
23) when total output voltage Vout of power module drops near setting value, L3 and L4 upset is 0, reference voltage list
Unit, the first voltage regulation unit and the second voltage regulation unit are closed, and the first switch S1 and second switch S2 Guan Bi, power-supply management system enters
Low-power consumption mode.
Further, it is switched to normal mode from low-power consumption mode and specifically includes following steps:
31) when enabling signal L1, L3 and L4 and being 0, S1 and S2 closes, and S3 disconnects, and power-supply management system is in low-power consumption mode；
32) when L1 signal is turned to 1 from 0, L4 is also turned to 1 from 0, and second source unit is closed, the first power subsystem work,
First voltage regulation unit and the second voltage regulation unit continue to remain turned-off, and the first switch S1, second switch S2 and the 3rd switch S3 all closes
Closing, total output voltage Vout of power module begins to ramp up；
33) when total output voltage Vout of power module rises near setting value, L3 upset is 1, the first power subsystem, the
One voltage regulation unit and the work of the second voltage regulation unit, the closedown of second source unit, the first switch S1 and second switch S2 disconnects, and the 3rd
Switch S3 continues Guan Bi, and power-supply management system enters normal mode.
Further, the 3rd switch S3 is 4 road paralleling switches, it is characterised in that be switched to normal mode from low-power consumption mode
During formula, during the 3rd switch S3 Guan Bi, each switch gap certain time in 4 road paralleling switches is taken up in order of priority Guan Bi.
The invention has the beneficial effects as follows: by power module, Voltage stabilizing module and the cooperation of several switch, when Bluetooth chip surpasses
Spending the setting time when not working, power-supply management system can enter low-power consumption mode from normal mode, thus realize saving bluetooth core
Sheet power consumption, reaches to extend the purpose of Bluetooth chip stand-by time.
Accompanying drawing explanation
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the flow chart of the present invention；
Fig. 2 is the module diagram of the present invention；
Fig. 3 is the sequential chart of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further details:
Referring to the drawings 2, the hardware configuration of the present invention is a kind of power-supply management system for Bluetooth chip, including power module 1
With Voltage stabilizing module 2, power module 1 includes the first power subsystem 11 and second source unit 12, and described first power subsystem 11 is also
Including a reference voltage unit 111, the first power subsystem 11 and second source unit 12 share an outfan, and output signal is
Total output voltage Vout of power module 1；Voltage stabilizing module 2 includes the first voltage regulation unit 21 and the second voltage regulation unit 22, and first is steady
Pressure unit 21 is connected with the RF module of Bluetooth chip after the first switch S1 parallel connection, and the second voltage regulation unit 22 is with second switch S2 also
Switch S3 with the logic module and the 3rd of Bluetooth chip respectively after connection to be connected, the 3rd switch S3 and the idle module phase of Bluetooth chip
Even, idle module is the module that Bluetooth chip need not work under low-power consumption mode.First power subsystem 11 and second source
Unit 12 is BUCK circuit；3rd switch S3 is 4 road paralleling switches.Wherein, described first power subsystem 11, second source unit
12, first voltage regulation unit the 21, second voltage regulation unit 22 and reference voltage unit 111 are provided with Enable Pin respectively.
Power-supply management system includes normal mode and two kinds of mode of operations of low-power consumption mode.Give tacit consent to work in the normal mode
Making, if Bluetooth chip exceedes the setting time when not working, enter low-power consumption mode, wherein this " sets time " and can freely set
Put.In the normal mode, first power subsystem the 11, first voltage regulation unit 21 and the second voltage regulation unit 22 work, second source list
Unit 12 closes, and the first power subsystem 11 is responsible for converting voltages into the input voltage of Voltage stabilizing module 2, the output electricity of Voltage stabilizing module 2
Pressure is the running voltage of Bluetooth chip internal module, and now the first switch S1 and second switch S2 disconnects, the 3rd switch S3 Guan Bi；
Under low-power consumption mode, first power subsystem the 11, first voltage regulation unit 21 and the second voltage regulation unit 22 are closed, second source unit
12 work, second source unit 12 is responsible for converting voltages into the running voltage of Bluetooth chip under low-power consumption mode, the first switch
S1 and second switch S2 Guan Bi, the 3rd switch S3 disconnects, and first voltage regulation unit the 21, second voltage regulation unit 22 is respectively and second source
Unit 12 exports short circuit, and now, the voltage of the first voltage regulation unit 21 and the second voltage regulation unit 22 outfan drops to low-power consumption mode
The running voltage of lower Bluetooth chip.3rd switch S3 connects Bluetooth chip and need not the idle mould of work under low-power consumption mode
Block, the 3rd switch S3 disconnects under low-power consumption mode, it is to avoid these are the electric leakage of idle module under low-power consumption mode.Due to
Under low-power consumption mode, the running voltage of Bluetooth chip is the lowest, so can be the lowest by the total current of power module 1.Referring to the drawings
1, the power management flow process of the present invention is:
1) initial operation mode of power-supply management system is set as normal mode, now first power subsystem the 11, first voltage stabilizing list
Unit 21 and the second voltage regulation unit 22 work, and second source unit 12 is closed, by first power subsystem the 11, first voltage regulation unit 21
Power for Bluetooth chip with the second voltage regulation unit 22；
2) if Bluetooth chip exceedes setting, the time does not works, then system controls the by the enable signal of unit Enable Pin
Two power subsystems 12 work, and first power subsystem the 11, first voltage regulation unit 21 and the second voltage regulation unit 22 are closed, now by
Two power subsystems 12 are powered for Bluetooth chip, enter low-power consumption mode；
3) if need to restart normal mode, then the first power supply list is controlled by the enable signal of unit Enable Pin
Unit's the 11, first voltage regulation unit 21 and the second voltage regulation unit 22 work, and second source unit 12 is closed, by the first power subsystem
11, the first voltage regulation unit 21 and the second voltage regulation unit 22 are powered for Bluetooth chip, enter normal mode.
The working timing figure of the present invention is as shown in Figure 3: set the first power subsystem 11, second source unit 12 and benchmark
The enable signal of voltage cell 111 is respectively L1, L2 and L4, the first voltage regulation unit 21 and enable signal of the second voltage regulation unit 22
For L3, L1 and L2 opposite in phase.Signal L1 and L2 controls low-power consumption mode and the switching of normal mode, and wherein L1 is and L2 phase place
On the contrary, L2 is not repeated.When L1 signal is 1, Bluetooth chip is in normal mode；When L1 signal is 0, Bluetooth chip enters
Enter low-power consumption mode.When L1 signal is 0, second source unit 12 works, and the 3rd switch S3 disconnects, and the first power subsystem 11 closes
Close, but reference voltage unit the 111, first voltage regulation unit 21 and the second voltage regulation unit 22 work on, total output of power module 1
Voltage Vout begins to decline, and the first switch S1 and second switch S2 disconnects；So ensure when switching to low-power consumption mode, voltage
During reducing, Bluetooth chip internal module will not be burned；When total output voltage Vout of power module 1 drops to one
Time near setting value, signal L3 and L4 upset is 0, reference voltage unit the 111, first voltage regulation unit 21 and the second voltage regulation unit 22
Closing, the first switch S1 and second switch S2 Guan Bi, now completely into low-power consumption mode, the output voltage of Voltage stabilizing module 2 is steady
It is scheduled on the running voltage of Bluetooth chip under low-power consumption mode.When L1 signal from 0 upset be 1 time, L4 is also turned to 1 from 0, second electricity
Source unit 12 is closed, the 3rd switch S3 Guan Bi, and the first power subsystem 11 is opened, the first voltage regulation unit 21 and the second voltage regulation unit 22
Continuing to close, total output voltage Vout of power module 1 begins to ramp up；When total output voltage Vout of power module 1 rises to
Time near one setting value, signal L3 upset is 1, and the first voltage regulation unit 21 and the second voltage regulation unit 22 are opened, the first switch S1
Disconnecting with second switch S2, now completely into normal mode, the output voltage stabilization of Voltage stabilizing module 2 is in normal working voltage.
During being converted to normal mode from low-power consumption mode, during in order to ensure the 3rd switch S3 Guan Bi, load and electric charge are altogether
Enjoying and the output voltage of the second voltage regulation unit 22 will not be allowed to decline too much, the 4 road paralleling switches of the 3rd switch S3 use and once close
Mode, each switch gap certain time closes so that the second voltage regulation unit 22 slowly charges to load capacitance.
The power-supply management system of the present invention includes normal mode and two kinds of mode of operations of low-power consumption mode: when requiring transformation into
During normal mode, first power subsystem the 11, first voltage regulation unit 21 and the second voltage regulation unit 22 work, and second source unit 12 closes
Closing, power-supply management system is supplied for bluetooth equipment by first power subsystem the 11, first voltage regulation unit 21 and the second voltage regulation unit 22
Electricity；When being transformed into low-power consumption mode, second source unit 12 works, first power subsystem the 11, first voltage regulation unit 21 and
Two voltage regulation units 22 are closed, and power-supply management system is powered for bluetooth equipment by second source unit 12.
It is switched to low-power consumption mode from normal mode and specifically includes following steps:
21) when enabling signal L1, L3 and L4 and being 1, S1 and S2 disconnects, and S3 closes, and power-supply management system is in normal mode；
22) when L1 from 1 upset be 0, when L3 and L4 is temporarily 1, the first power subsystem 11 cuts out, and second source unit 12 works,
3rd switch S3 disconnects, and the first switch S1 and second switch S2 also remains open, and total output voltage Vout of power module 1 starts
Decline；
23) when total output voltage Vout of power module 1 drops near setting value, L3 and L4 upset is 0, reference voltage list
Unit's the 111, first voltage regulation unit 21 and the second voltage regulation unit 22 are closed, the first switch S1 and second switch S2 Guan Bi, power management
System enters low-power consumption mode.In the present embodiment, the setting value of voltage is 1.25V.
It is switched to normal mode from low-power consumption mode and specifically includes following steps:
31) when enabling signal L1, L3 and L4 and being 0, S1 and S2 closes, and S3 disconnects, and power-supply management system is in low-power consumption mode；
32) when L1 signal is turned to 1 from 0, L4 is also turned to 1 from 0, and second source unit 12 is closed, the first power subsystem 11
Working, the first voltage regulation unit 21 and the second voltage regulation unit 22 continue to remain turned-off, and the first switch S1, second switch S2 and the 3rd opens
Closing S3 all to close, total output voltage Vout of power module 1 begins to ramp up；
33) when total output voltage Vout of power module 1 rises near setting value, L3 upset is 1, the first power subsystem
11, the first voltage regulation unit 21 and the second voltage regulation unit 22 work, and second source unit 12 is closed, the first switch S1 and second switch
S2 disconnects, and the 3rd switch S3 continues Guan Bi, and power-supply management system enters normal mode.In the present embodiment, the setting value of voltage
For 1.25V.
As the preferred embodiment of the present invention, the first power subsystem 11 is responsible for the voltage of 3.8V to be converted into 1.5V electricity
Pressure, 1.5V voltage produces the electricity of 1.2V respectively as the power supply of Voltage stabilizing module 2, the first voltage regulation unit 21 and the second voltage regulation unit 22
Pressure output is powered to Bluetooth chip internal module, and second source unit 12 is responsible for the voltage of 3.8V to be converted into 0.8V voltage；?
Under low-power consumption mode, owing to the running voltage of second source unit 12 is 0.8V, thus permissible by the total current of power module 1
Accomplishing the lowest, grand mean power consumption is 200uA@3.8V.
Additionally, as the preferred embodiment of the present invention, when the upset of L1 signal is 0, second source unit 12 works, the
Three switch S3 disconnect, and the first power subsystem 11 cuts out, but reference voltage unit the 111, first voltage regulation unit 21 and the second voltage stabilizing list
Unit 22 works on, and total output voltage Vout of power module 1 begins to decline, and the first switch S1 and second switch S2 disconnects；This
Sample ensures when switching to low-power consumption mode, the output voltage of the first power subsystem 11 during 1.5V is reduced to 1.2V,
The output voltage of the first voltage regulation unit 21 and the second voltage regulation unit 22 keeps 1.2V so that Bluetooth chip internal module will not be surpassed
The voltage crossing 1.2V burns out；When total output voltage Vout of power module 1 drops near 1.25V from 1.5V, signal L3 and L4
Upset is 0, and reference voltage unit the 111, first voltage regulation unit 21 and the second voltage regulation unit 22 are closed, and the first switch S1 and second opens
Closing S2 Guan Bi, now completely into low-power consumption mode, the output voltage stabilization of Voltage stabilizing module 2 is at 0.8V.When L1 signal is from 0 upset
When being 1, second source unit 12 is closed, the 3rd switch S3 Guan Bi, and the first power subsystem 11 opens, the first voltage regulation unit 21 and the
Two voltage regulation units 22 continue to close, and total output voltage Vout of power module 1 begins to ramp up, and always exports electricity when power module 1
When pressure Vout rises near 1.25V, signal L3 and L4 upset is 1, and the first voltage regulation unit 21 and the second voltage regulation unit 22 are opened,
First switch S1 and second switch S2 disconnects, now completely into normal mode, and total output voltage Vout stable of power module 1
At 1.5V, the output voltage stabilization of Voltage stabilizing module 2 is at 1.2V.During in order to ensure the 3rd switch S3 Guan Bi, load and electric charge are altogether
Enjoying and the output voltage of the second voltage regulation unit 22 will not be allowed to decline too much, the 4 road paralleling switches of the 3rd switch S3 use and once close
Mode, each switch gap 5uS closes so that the second voltage regulation unit 22 slowly charges to load capacitance.
It is above the preferably enforcement of invention is illustrated, but the invention is not limited to described embodiment,
Those of ordinary skill in the art also can make all equivalent variations or replacement on the premise of spirit of the present invention, this
Modification or the replacement of a little equivalents are all contained in the application claim limited range.
Claims (9)
1. the power-supply management system for Bluetooth chip, it is characterised in that include power module (1) and Voltage stabilizing module (2),
Described power module (1) includes the first power subsystem (11) and second source unit (12), and described Voltage stabilizing module (2) includes first
Voltage regulation unit (21) and the second voltage regulation unit (22), with bluetooth core after described first voltage regulation unit (21) is in parallel with the first switch S1
The RF module of sheet is connected, after described second voltage regulation unit (22) is in parallel with second switch S2 respectively with the logic module of Bluetooth chip
Being connected with the 3rd switch S3, described 3rd switch S3 is connected with the idle module of Bluetooth chip.
A kind of power-supply management system for Bluetooth chip the most according to claim 1, it is characterised in that described first electricity
Source unit (11) also includes a reference voltage unit (111).
A kind of power-supply management system for Bluetooth chip the most according to claim 2, it is characterised in that described first electricity
Source unit (11), second source unit (12), the first voltage regulation unit (21), the second voltage regulation unit (22) and reference voltage unit
(111) Enable Pin it is provided with respectively.
A kind of power-supply management system for Bluetooth chip the most according to claim 1, it is characterised in that described first electricity
Source unit (11) and second source unit (12) are BUCK circuit.
A kind of power-supply management system for Bluetooth chip the most according to claim 1, it is characterised in that the described 3rd opens
Closing S3 is 4 road paralleling switches.
6., for a method for managing power supply for Bluetooth chip, described method is based on the arbitrary described power supply pipe of claim 1-5
Reason system, described power-supply management system includes normal mode and two kinds of mode of operations of low-power consumption mode, sets the first power subsystem
(11), the enable signal of second source unit (12) and reference voltage unit (111) be respectively L1, L2 and L4, the first voltage stabilizing list
The enable signal of unit (21) and the second voltage regulation unit (22) is L3, L1 and L2 opposite in phase, it is characterised in that method for managing power supply
Specifically include following steps:
1) initial operation mode of power-supply management system is set as normal mode, now the first power subsystem (11), the first voltage stabilizing
Unit (21) and the second voltage regulation unit (22) work, second source unit (12) close, by the first power subsystem (11), first
Voltage regulation unit (21) and the second voltage regulation unit (22) are that Bluetooth chip is powered；
2) if Bluetooth chip exceedes setting, the time does not works, then system controls the by the enable signal of unit Enable Pin
Two power subsystems (12) work, and the first power subsystem (11), the first voltage regulation unit (21) and the second voltage regulation unit (22) are closed, this
Time by second source unit (12) be that Bluetooth chip is powered, enter low-power consumption mode；
3) if need to restart normal mode, then the first power supply list is controlled by the enable signal of unit Enable Pin
Unit (11), the first voltage regulation unit (21) and the second voltage regulation unit (22) work, second source unit (12) is closed, by the first electricity
Source unit (11), the first voltage regulation unit (21) and the second voltage regulation unit (22) are that Bluetooth chip is powered, and enter normal mode.
A kind of method for managing power supply for Bluetooth chip the most according to claim 6, it is characterised in that from normal mode
It is switched to concretely comprising the following steps of low-power consumption mode:
21) when enabling signal L1, L3 and L4 and being 1, S1 and S2 disconnects, and S3 closes, and power-supply management system is in normal mode；
22) when L1 from 1 upset be 0, when L3 and L4 is temporarily 1, the first power subsystem (11) close, second source unit (12) work
Making, the 3rd switch S3 disconnects, and the first switch S1 and second switch S2 also remains open, total output voltage of power module (1)
Vout begins to decline；
23) when total output voltage Vout of power module (1) drops near setting value, L3 and L4 upset is 0, reference voltage
Unit (111), the first voltage regulation unit (21) and the second voltage regulation unit (22) are closed, the first switch S1 and second switch S2 Guan Bi,
Power-supply management system enters low-power consumption mode.
A kind of method for managing power supply for Bluetooth chip the most according to claim 6, it is characterised in that from low-power consumption mould
Formula is switched to concretely comprising the following steps of normal mode:
31) when enabling signal L1, L3 and L4 and being 0, S1 and S2 closes, and S3 disconnects, and power-supply management system is in low-power consumption mode；
32) when L1 signal is turned to 1 from 0, L4 is also turned to 1 from 0, and second source unit (12) is closed, the first power subsystem
(11) working, the first voltage regulation unit (21) and the second voltage regulation unit (22) continue to remain turned-off, the first switch S1, second switch S2
All closing with the 3rd switch S3, total output voltage Vout of power module (1) begins to ramp up；
33) when total output voltage Vout of power module (1) rises near setting value, L3 upset is 1, the first power subsystem
(11), the first voltage regulation unit (21) and the second voltage regulation unit (22) work, second source unit (12) close, first switch S1 and
Second switch S2 disconnects, and the 3rd switch S3 continues Guan Bi, and power-supply management system enters normal mode.
A kind of method for managing power supply for Bluetooth chip the most according to claim 8, the 3rd switch S3 is that 4 tunnel parallel connections are opened
Closing, it is characterised in that during being switched to normal mode from low-power consumption mode, during the 3rd switch S3 Guan Bi, 4 tunnel parallel connections are opened
Each switch gap certain time in the Central Shanxi Plain is taken up in order of priority Guan Bi.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610230308.4A CN106060904A (en) | 2016-04-13 | 2016-04-13 | Power supply management system and method for bluetooth chip |
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| CN201610230308.4A CN106060904A (en) | 2016-04-13 | 2016-04-13 | Power supply management system and method for bluetooth chip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658677A (en) * | 2016-11-01 | 2017-05-10 | 飞天诚信科技股份有限公司 | Bluetooth communication method considering communication speed and power consumption and terminal |
| CN112672408A (en) * | 2020-12-30 | 2021-04-16 | 上海金卓科技有限公司 | Method and device for controlling power consumption of baseband chip, mobile terminal and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201178462Y (en) * | 2008-04-16 | 2009-01-07 | 深圳创维－Rgb电子有限公司 | Low power consumption standby power source circuit |
| CN102170499A (en) * | 2011-05-24 | 2011-08-31 | 惠州Tcl移动通信有限公司 | Mobile terminal and power supply control system thereof |
| CN102647094A (en) * | 2012-05-08 | 2012-08-22 | 无锡艾立德智能科技有限公司 | Low-power consumption dual-path double-power supply energy-saving circuit |
| CN102902350A (en) * | 2012-11-13 | 2013-01-30 | 江苏东大集成电路系统工程技术有限公司 | Chip extra-low in standby power consumption |
| CN104333113A (en) * | 2014-10-31 | 2015-02-04 | 许继电气股份有限公司 | Power circuit |
-
2016
- 2016-04-13 CN CN201610230308.4A patent/CN106060904A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201178462Y (en) * | 2008-04-16 | 2009-01-07 | 深圳创维－Rgb电子有限公司 | Low power consumption standby power source circuit |
| CN102170499A (en) * | 2011-05-24 | 2011-08-31 | 惠州Tcl移动通信有限公司 | Mobile terminal and power supply control system thereof |
| CN102647094A (en) * | 2012-05-08 | 2012-08-22 | 无锡艾立德智能科技有限公司 | Low-power consumption dual-path double-power supply energy-saving circuit |
| CN102902350A (en) * | 2012-11-13 | 2013-01-30 | 江苏东大集成电路系统工程技术有限公司 | Chip extra-low in standby power consumption |
| CN104333113A (en) * | 2014-10-31 | 2015-02-04 | 许继电气股份有限公司 | Power circuit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658677A (en) * | 2016-11-01 | 2017-05-10 | 飞天诚信科技股份有限公司 | Bluetooth communication method considering communication speed and power consumption and terminal |
| WO2018082428A1 (en) * | 2016-11-01 | 2018-05-11 | 飞天诚信科技股份有限公司 | Bluetooth communication method considering communication speed and power consumption and terminal |
| CN106658677B (en) * | 2016-11-01 | 2019-10-08 | 飞天诚信科技股份有限公司 | A kind of Bluetooth communication method and terminal for taking into account communication speed and power consumption |
| US10743258B2 (en) | 2016-11-01 | 2020-08-11 | Feitian Technologies Co., Ltd. | Method of Bluetooth communication giving consideration to both communication speed and power consumption and a terminal thereof |
| CN112672408A (en) * | 2020-12-30 | 2021-04-16 | 上海金卓科技有限公司 | Method and device for controlling power consumption of baseband chip, mobile terminal and storage medium |
| CN112672408B (en) * | 2020-12-30 | 2023-08-29 | 上海金卓科技有限公司 | Method and device for controlling power consumption of baseband chip, mobile terminal and storage medium |
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