CN110417254A - The integrated circuit of one built-in triple channel DC voltage converter - Google Patents
The integrated circuit of one built-in triple channel DC voltage converter Download PDFInfo
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- CN110417254A CN110417254A CN201910681234.XA CN201910681234A CN110417254A CN 110417254 A CN110417254 A CN 110417254A CN 201910681234 A CN201910681234 A CN 201910681234A CN 110417254 A CN110417254 A CN 110417254A
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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
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Abstract
The integrated circuit of one built-in triple channel DC voltage converter, it includes internal voltage regulator and bandgap voltage reference device that its internal functional module, which includes 101 functional modules, 102 starters 1, 103 Bootstrap devices, 104 error amplifiers 1, 105 frequency compensators, 106 comparators, 107 oscillators, 108 latch drivers 1, 109 overtemperature protectors, 110 overcurrent protectors 1, 111 power switch tubes 1, 112 resitstance voltage dividers 2, 113 error amplifiers 2, 114 phase compensators 2, 115 latch drivers 2, 116 starters and pressure-failure protector 2, 117 overcurrent protectors 2, 118 power tubes 2, 119 resitstance voltage dividers 3, 120 error amplifiers 3, 121 phase compensators 3, 122 latch drivers 3, 12 3 starters and pressure-failure protector 3,124 overcurrent protectors 3,125 power tube 3 and 8 pins；This corresponding number of pins of 8 pins is P1, P2, P3, P4, P5, P6, P7, P8.
Description
Technical field
This patent is the integrated circuit of a built-in triple channel DC voltage converter, model XL7003.This patent
The integrated circuit be one fully integrated, wide input direct-current voltage range, triple channel output, a channels operation opening
Other two channels operation of off status is in linear condition, realization decompression transformation function integrated circuit.The integrated circuit passes through
Simple external system application design, can be directly the straight of the triple channel output that the DC voltage decompression transformation of input is setting
Galvanic electricity pressure realizes that triple channel exports the function of constant DC voltage.
Background technique
Electric bicycle is usually using battery as major impetus or auxiliary power source, the mark of the battery used
DC voltage is referred to as that 24V (volt) or 36V or 48V are different, when discharged or defective battery or fully charged, the actual DC of battery
Voltage can be more relatively low or higher than nominal DC voltage, this results in the actual DC voltage model of the common battery of electric bicycle
It is trapped among between 20V~60V.
There is a set of control system in electric bicycle, is made of controller, revolving speed handle and Hall sensor, work
Principle is: the power-supply system inside controller is powered to revolving speed handle and Hall sensor, while its internal microcontroller (MCU)
By reading revolving speed the data fed back with Hall sensor, half bridge chip is driven to control that power tube is turned on and off when
Between, and then electric machine operation state is controlled to realize advance, acceleration and deceleration, cruise, the antitheft positioning of electric bicycle.Controller
Internal microcontroller (MCU) needs 3.3V DC-voltage supply, and revolving speed handle needs 5V DC-voltage supply with Hall sensor,
Half bridge chip needs 14V DC-voltage supply.Though the accumulator DC of electric bicycle presses range between 20V~60V,
It is the mutation with electric machine operation state, voltage range can fluctuate between 20V~90V, in order to give control system Nei Gemo
Block provides steady dc voltage, this just needs to carry out DC voltage conversion inside controller, need input range in 20V
DC voltage conversion between~90V is direct current 3.3V, direct current 5V and direct current 14V these three voltages come using.
" integrated circuit of a built-in triple channel DC voltage converter " described in this patent is specific to electrical salf-walking
The monolithic triple channel integrated circuit that DC voltage conversion functional requirement optimizes in vehicle controller.The integrated circuit may be implemented to input
DC voltage is in the wide scope between 20V~90V, while exporting the constant DC voltage of 3.3V, 5V and 14V triple channel
Function.
Summary of the invention
This patent is the integrated circuit of a built-in triple channel DC voltage converter, model XL7003.This patent
Circuit structure design and advanced high voltage power device integrated circuit fabrication process using innovation design and manufacture one specially
Meet the collection of single built-in triple channel DC voltage converter of DC voltage conversion functional requirement in electric bicycle controller
At circuit.
Integrated circuit described in this patent, internal functional module include internal voltage regulator with bandgap voltage reference device, open
Dynamic device 1, Bootstrap device, error amplifier 1, frequency compensator, comparator, oscillator, latch driver 1, overtemperature protector,
Overcurrent protector 1, power switch tube 1, resitstance voltage divider 2, error amplifier 2, phase compensator 2, latch driver 2, starting
Device and pressure-failure protector 2, power tube 2, resitstance voltage divider 3, error amplifier 3, phase compensator 3, latch at overcurrent protector 2
Driver 3, starter and pressure-failure protector 3, overcurrent protector 3, power tube 3 and 8 pin；This corresponding pin of 8 pins
Number be P1, P2, P3, P4, P5, P6, P7, P8.
The working principle of integrated circuit described in this patent is: built-in triple channel, and a channels operation is another in switch state
Step-down type dc voltage changer of outer two channels operations in linear condition；Channel 1 works in switch state, efficient reality
The decompression transformation of existing DC voltage, passes through the sampling feedback end P3 pin of external output voltage, 1 output voltage of real-time monitoring channel
Variation, the turn-on time of power switch tube 1 is adjusted according to the variation of output voltage, to realize that 1 output voltage of channel is permanent
Fixed function.2 input terminal of channel takes electricity from 1 output end of channel, and channel 2 works in linear condition, realizes the decompression of DC voltage
Transformation, passes through the sampling feedback end P5 pin of external output voltage, the variation of 2 output voltage of real-time monitoring channel, according to output
The variation of voltage adjusts power tube 2, to realize the constant function of 2 output voltage of channel.3 input terminal of channel is defeated from channel 2
Outlet takes electricity, and channel 3 works in linear condition, realizes the decompression transformation of DC voltage, the sampling by external output voltage is anti-
End P4 pin is presented, the variation of 3 output voltage of real-time monitoring channel adjusts power tube 3 according to the variation of output voltage, thus real
The constant function of existing 3 output voltage of channel.
Detailed description of the invention
Fig. 1 is the interior block diagram of this patent " integrated circuit of a built-in triple channel DC voltage converter ".
Fig. 2 is the electric bicycle control that this patent " integrated circuit of a built-in triple channel DC voltage converter " is realized
The typical application circuit schematic diagram of triple channel DC voltage conversion function in device processed.
Specific embodiment
Fig. 1 is the interior block diagram of this patent " integrated circuit of a built-in triple channel DC voltage converter ", the collection
Number at circuit is 100, and internal functional module includes 101 internal voltage regulators and bandgap voltage reference device, 102 starters
1, driving is latched in 103 Bootstrap devices, 104 error amplifiers 1,105 frequency compensators, 106 comparators, 107 oscillators, 108
Device 1,109 overtemperature protectors, 110 overcurrent protectors 1,111 power switch tubes 1,112 resitstance voltage dividers 2,113 error amplifiers
2,114 phase compensators 2,115 latch drivers 2,116 starters and pressure-failure protector 2,117 overcurrent protectors 2,118 power
Pipe 2,119 resitstance voltage dividers 3,120 error amplifiers 3,121 phase compensators 3,122 latch drivers 3,123 starters and owe
Press protector 3,124 overcurrent protectors 3,125 power tube 3 and 8 pins；This corresponding number of pins of 8 pins be P1, P2, P3,
P4、P5、P6、P7、P8。
The connection relationship of the functional module of the IC interior are as follows: P1 is the power input in the channel 1 of the integrated circuit
End pipe foot；P2 is the common ground pin of the integrated circuit；P3 is the feedback signal input terminal pipe in the channel 1 of the integrated circuit
Foot；P4 is the power take-off pin in the channel 3 of the integrated circuit；P5 is the power output end pipe in the channel 2 of the integrated circuit
Foot；P6 is the power input pin in the channel 2 of the integrated circuit；P7 is the Bootstrap end pipe in the channel 1 of the integrated circuit
Foot；P8 is the power take-off pin in the channel 1 of the integrated circuit；One input terminal of 103 Bootstrap devices is connected to P1 pipe
Foot, another input terminal are connected to P7 pin, and output end is connected to an input terminal of 111 power switch tubes 1；102 open
The input terminal of dynamic device 1 is connected to P1 pin, one output end is connected to the defeated of 101 internal voltage regulators and bandgap voltage reference device
Enter end, another output is connected to an input terminal of 108 latch drivers 1 and the output end and 107 oscillators of 106 comparators
Output end；The output end of 101 internal voltage regulators and bandgap voltage reference device is connected to an input of 104 error amplifiers 1
End and an input terminal of 113 error amplifiers 2 and an input terminal of 120 error amplifiers 3；104 error amplifiers 1 it is another
One input terminal is connected to P3 pin, and output end connects an input of the output end and 106 comparators of 105 frequency compensators
End；Another input terminal of 106 comparators connects 107 oscillators；Another input terminal of 108 latch drivers 1 is connected to 109
The output end of the output end of overtemperature protector and 110 overcurrent protectors 1, output end are connected to the another of 111 power switch tubes 1
A input terminal；The input terminal of 110 overcurrent protectors 1 is connected to another input terminal of P1 pin and 111 power switch tubes 1；111
The output end of power switch tube 1 is connected to P8 pin；The input terminal of 112 resitstance voltage dividers 2 is connected to P5 pin, and output end connects
It is connected to another input terminal of 113 error amplifiers 2；The output end of 113 error amplifiers 2 is connected to 114 phase compensators 2
One input terminal of output end and 115 latch drivers 2；The input terminal of 116 starters and pressure-failure protector 2 is connected to P6 pin
With the input terminal of 117 overcurrent protectors 2 and an input terminal of 118 power tubes 2, output end is connected to 115 latch drivers 2
Another input terminal and 117 overcurrent protectors 2 output end；The output end of 115 latch drivers 2 is connected to 118 power tubes 2
Another input terminal；One output end of 118 power tubes 2 is connected to P5 pin, 123 starters and pressure-failure protector 3 it is defeated
One input terminal of the input terminal and 125 power tubes 3 that enter end and 124 overcurrent protectors 3 is connected to P5 pin；119 electric resistance partial pressures
The input terminal of device 3 is connected to P4 pin, and output is connected to another input terminal of 120 error amplifiers 3；The amplification of 120 errors
The output end of device 3 is connected to the output end of 121 phase compensators 3 and an input terminal of 122 latch drivers 3；122 latch drive
The output end phase of another input terminal and the output end and 124 overcurrent protectors 3 of 123 starters and pressure-failure protector 3 of dynamic device 3
Even, output end is connected with another input terminal of 125 power tubes 3；The output end of 125 power tubes 3 is connected to P4 pin.
Fig. 2 is the electric bicycle control that this patent " integrated circuit of a built-in triple channel DC voltage converter " is realized
The typical application circuit schematic diagram of triple channel DC voltage conversion function in device processed.The parameter index of all devices in figure is seen below
Table:
| Device number | Type of device and explanation | Parameter index |
| 100 | Integrated circuit described in this patent | XL7003 |
| 201 | Input filter capacitor | 47uF/100V |
| 202 | Input high frequency capacitance | 0.1uF/100V |
| 203 | Schottky diode | S310 |
| 204 | Inductance coil | 100uH/1A |
| 205 | Export high frequency capacitance | 1uF/35V |
| 206 | Output filter capacitor | 100uF/35V |
| 207 | Resistance | 51K/0.25W |
| 208 | Resistance | 4.99K/0.25W |
| 209 | High frequency capacitance | 33nF/35V |
| 210 | Bootstrap high frequency capacitance | 0.1uF/35V |
| 211 | Export high frequency capacitance | 1uF/35V |
| 212 | Output filter capacitor | 100uF/10V |
| 213 | Export high frequency capacitance | 1uF/35V |
| 214 | Output filter capacitor | 100uF/10V |
Fig. 2 is the electric bicycle control that this patent " integrated circuit of a built-in triple channel DC voltage converter " is realized
The typical application circuit schematic diagram of triple channel DC voltage conversion function in device processed, in which: the number of the integrated circuit is 100；
VIN is input DC power, the DC voltage being designed as within the scope of 20V~90V here, is input to this after 201 and 202 filtering
The power input P1 pin in the channel 1 of integrated circuit, from P8 pin output channel 1 after 100 inter-process of integrated circuit
Power voltage signal, after 204 inductive energy storages, by after 205 and 206 capacitor filterings export VOUT1 be pure constant dc
Pressure；203 be afterflow Schottky diode；207 and 208 be divider resistance, and 209 be compensating electric capacity, and 210 be Bootstrap capacitor,
It provides high pressure by P7 pin for 100 and is used to open internal power switching tube 1, and the voltage of VOUT1 passes through divider resistance 207/
208 setting formula are as follows: VOUT1=1.25V* (1+207/208) is set as 14V here；The node sample of 207 and 208 connections
It is fed back by P3 pin to inside integrated circuit 100 after to the variation of output voltage VO UT1,100 according to output voltage VO UT1's
Variation to adjust the turn-on time of its internal power switching tube 1 in real time, to realize the constant function of VOUT1 output voltage；It is logical
The output VOUT1 in road 1 is inputted as the input power of the integrated circuit internal channel 2 from P6 pin, is handled by integrated circuit 100
It is pure Constant Direct Current by exporting VOUT2 after 211 and 212 capacitor filterings afterwards from the power voltage signal of P5 pin output channel 2
Voltage；The voltage fixed setting of VOUT2 is 5V, and the voltage of VOUT2 is fed back by P5 pin to inside integrated circuit 100,100
Internal power pipe 2 is adjusted in real time according to the variation of output voltage VO UT2, to realize the constant function of VOUT2 output voltage；It is logical
Input power of the output VOUT2 in road 2 as the integrated circuit internal channel 3, it is defeated from P4 pin after the processing of integrated circuit 100
The power voltage signal in channel 3 out is pure constant DC voltage by exporting VOUT3 after 213 and 214 capacitor filterings；VOUT3's
Voltage fixed setting is 3.3V, and the voltage of VOUT3 is fed back by P4 pin to inside integrated circuit 100, and 100 according to output voltage
The variation of VOUT3 adjusts internal power pipe 3 in real time, to realize the constant function of VOUT3 output voltage；P2 pin is the collection
At the common ground end of circuit 100 and peripheral system.
Claims (2)
1. the integrated circuit of a built-in triple channel DC voltage converter, it is characterized in that including internal voltage regulator and band-gap reference
Voltage device, starter 1, Bootstrap device, error amplifier 1, frequency compensator, comparator, oscillator, latch driver 1, mistake
Warm protector, power switch tube 1, resitstance voltage divider 2, error amplifier 2, phase compensator 2, latches driving at overcurrent protector 1
Device 2, starter and pressure-failure protector 2, overcurrent protector 2, power tube 2, resitstance voltage divider 3, error amplifier 3, phase compensation
Device 3, latch driver 3, starter and pressure-failure protector 3, overcurrent protector 3, power tube 3 and 8 pin；This 8 pins pair
The number of pins answered is P1, P2, P3, P4, P5, P6, P7, P8.
2. integrated circuit as described in claim 1, it is further characterized in that having 8 pins, number of pins P1 is the integrated circuit
The power input pin in channel 1；Number of pins P2 is the common ground pin of the integrated circuit；Number of pins P3 is the integrated circuit
Channel 1 feedback signal input terminal pin；Number of pins P4 is the power take-off pin in the channel 3 of the integrated circuit；Pin
Number P5 is the power take-off pin in the channel 2 of the integrated circuit；Number of pins 6 is the power input in the channel 2 of the integrated circuit
End pipe foot；Number of pins P7 is the Bootstrap end pipe foot in the channel 1 of the integrated circuit；Number of pins P8 is the channel of the integrated circuit
1 power take-off pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681234.XA CN110417254A (en) | 2019-07-26 | 2019-07-26 | The integrated circuit of one built-in triple channel DC voltage converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681234.XA CN110417254A (en) | 2019-07-26 | 2019-07-26 | The integrated circuit of one built-in triple channel DC voltage converter |
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| Publication Number | Publication Date |
|---|---|
| CN110417254A true CN110417254A (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910681234.XA Pending CN110417254A (en) | 2019-07-26 | 2019-07-26 | The integrated circuit of one built-in triple channel DC voltage converter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371319A (en) * | 2020-05-08 | 2020-07-03 | 上海芯龙半导体技术股份有限公司 | Integrated circuit with built-in single-channel direct-current power supply converter |
| CN111371318A (en) * | 2020-05-08 | 2020-07-03 | 上海芯龙半导体技术股份有限公司 | Integrated circuit of buck power converter for communication equipment |
| CN112311237A (en) * | 2020-12-22 | 2021-02-02 | 上海芯龙半导体技术股份有限公司南京分公司 | Power management chip |
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| EP3054578A1 (en) * | 2013-10-01 | 2016-08-10 | Hitachi Automotive Systems, Ltd. | Power conversion device |
| CN207586688U (en) * | 2017-11-21 | 2018-07-06 | 武汉因可尔健网络信息服务有限公司 | A kind of orientable temperature-control circuit, temperature control transport case and temperature control transport chain group |
| CN109861531A (en) * | 2019-02-28 | 2019-06-07 | 上海芯龙半导体技术股份有限公司 | The integrated circuit of one built-in binary channels DC voltage converter |
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- 2019-07-26 CN CN201910681234.XA patent/CN110417254A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242630A (en) * | 2013-06-21 | 2014-12-24 | 全汉企业股份有限公司 | Power supply apparatus |
| EP3054578A1 (en) * | 2013-10-01 | 2016-08-10 | Hitachi Automotive Systems, Ltd. | Power conversion device |
| CN207586688U (en) * | 2017-11-21 | 2018-07-06 | 武汉因可尔健网络信息服务有限公司 | A kind of orientable temperature-control circuit, temperature control transport case and temperature control transport chain group |
| CN109861531A (en) * | 2019-02-28 | 2019-06-07 | 上海芯龙半导体技术股份有限公司 | The integrated circuit of one built-in binary channels DC voltage converter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371319A (en) * | 2020-05-08 | 2020-07-03 | 上海芯龙半导体技术股份有限公司 | Integrated circuit with built-in single-channel direct-current power supply converter |
| CN111371318A (en) * | 2020-05-08 | 2020-07-03 | 上海芯龙半导体技术股份有限公司 | Integrated circuit of buck power converter for communication equipment |
| CN112311237A (en) * | 2020-12-22 | 2021-02-02 | 上海芯龙半导体技术股份有限公司南京分公司 | Power management chip |
| CN112311237B (en) * | 2020-12-22 | 2021-09-24 | 上海芯龙半导体技术股份有限公司南京分公司 | Power management chip |
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Application publication date: 20191105 |