CN109861531A - The integrated circuit of one built-in binary channels DC voltage converter - Google Patents
The integrated circuit of one built-in binary channels DC voltage converter Download PDFInfo
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- CN109861531A CN109861531A CN201910153706.4A CN201910153706A CN109861531A CN 109861531 A CN109861531 A CN 109861531A CN 201910153706 A CN201910153706 A CN 201910153706A CN 109861531 A CN109861531 A CN 109861531A
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Abstract
The integrated circuit of one built-in binary channels DC voltage converter, its internal functional module includes 101 internal voltage regulators and bandgap voltage reference device, 102 starters 1, 103 overtemperature protectors, 104 error amplifiers 1, 105 frequency compensators 1, 106 comparators 1, 107 latch drivers 1, 108 overcurrent protectors 1, 109 power switch tubes 1, 110 resitstance voltage dividers, 111 error amplifiers 2, 112 frequency compensators 2, 113 comparators 2, 114 oscillators, 115 latch drivers 2, 116 starters and pressure-failure protector 2, 117 overcurrent protectors 2, 118 power switch tube 2 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 binary channels DC voltage converter, model XL7001.This patent
The integrated circuit be one fully integrated, wide input direct-current voltage range, binary channels output, work in switch state
, realize decompression transformation function integrated circuit.The integrated circuit is designed by the application of simple external system, can direct handle
The DC voltage decompression transformation of input is the DC voltage of the binary channels output of setting, realizes that binary channels exports constant direct current
The function of pressure.
Background technique
Conventional to use the class vehicles of riding of storage battery power supply as a source of power, such as electric bicycle electronic rubs
Motorcycle, Electric disability vehicle, electric swing car, Segway Human Transporter, electrodynamic balance vehicle, electronic recreational vehicle, electric golf cart, electricity
Dynamic beach buggy is referred to as battery truck.The nominal DC voltage of the common battery of battery truck be 24V (volt) or 36V or 48V or
60V or 72V is different, and when discharged or defective battery or fully charged, the actual DC voltage of battery can be more inclined than nominal DC voltage
Low or higher, this results in the actual DC voltage range of the common battery of battery truck between 20V~90V.
The system composition of conventional battery truck mainly includes battery, four part of controller, motor driver and vehicle frame.Its
In, control battery truck advances, retrogressing, acceleration, cruise, it is antitheft position, the funtion part of status display is known as controller.Needle
For controller, due to realizing that the supplying DC voltage of circuit requirements of different function is different inside controller, such as micro-control
Device (MCU), sensor, antitheft positioning and status display part processed need 5V DC-voltage supply, for controlling motor driver
Power device part need 15V DC-voltage supply, this just needs to carry out DC voltage conversion inside controller, needs handle
DC voltage conversion of the voltage range of the battery routinely inputted between 20V~90V be direct current 5V and direct current 15V both
Voltage come using.
" integrated circuit of a built-in binary channels DC voltage converter " described in this patent is specific to battery truck control
The monolithic binary channels integrated circuit that DC voltage conversion functional requirement optimizes in device processed.Input direct-current may be implemented in the integrated circuit
Voltage exports the function of the twin-channel constant DC voltage of 5V and 15V in the wide scope between 20V~90V.
Summary of the invention
This patent is the integrated circuit of a built-in binary channels DC voltage converter, model XL7001.This patent
Circuit structure design and advanced high voltage power device integrated circuit fabrication process using innovation design and manufacture one specially
Meet the integrated electricity of single built-in binary channels DC voltage converter of DC voltage conversion functional requirement in storage battery vehicle controller
Road.
Integrated circuit described in this patent, internal functional module include internal voltage regulator with bandgap voltage reference device, open
Dynamic device 1, overtemperature protector, error amplifier 1, frequency compensator 1, comparator 1, latch driver 1, overcurrent protector 1, power
Switching tube 1, resitstance voltage divider, error amplifier 2, frequency compensator 2, comparator 2, oscillator, latch driver 2, starter
With pressure-failure protector 2, overcurrent protector 2, power switch tube 2 and 8 pin；This corresponding number of pins of 8 pins be P1, P2,
P3、P4、P5、P6、P7、P8。
The working principle of integrated circuit described in this patent is: built-in twin-channel voltage-dropping type to work in switch state is straight
Current-to-voltage converter；The work of channel 1 is exported in switch state, the efficient decompression transformation for realizing DC voltage by outside
The sampling feedback end P3 pin of voltage, the variation of 1 output voltage of real-time monitoring channel adjust function according to the variation of output voltage
The turn-on time of rate switching tube 1, to realize the constant function of 1 output voltage of channel；Channel 1 can also pass through the enabled control in outside
P4 pin processed realizes the function of 1 switching on and shutting down of channel；2 input terminal of channel takes electricity from 1 output end of channel, and the work of channel 2 is switching
State, the efficient decompression transformation for realizing DC voltage are supervised in real time by the sampling feedback end P6 pin of external output voltage
The variation for surveying 2 output voltage of channel adjusts the turn-on time of power switch tube 2 according to the variation of output voltage, to realize
The constant function of 2 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 binary channels DC voltage converter ".
Fig. 2 is the storage battery vehicle controller that this patent " integrated circuit of a built-in binary channels DC voltage converter " is realized
The typical application circuit schematic diagram of middle binary channels DC voltage conversion function.
Specific embodiment
Fig. 1 is the interior block diagram of this patent " integrated circuit of a built-in binary channels 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
1,103 overtemperature protectors, 104 error amplifiers 1,105 frequency compensators 1,106 comparators 1,107 latch drivers 1,108
Overcurrent protector 1,109 power switch tubes 1,110 resitstance voltage dividers, 111 error amplifiers 2,112 frequency compensators 2,113 ratio
Compared with device 2,114 oscillators, 115 latch drivers 2,116 starters and pressure-failure protector 2,117 overcurrent protectors 2,118 power
Switching tube 2 and 8 pin；This corresponding number of pins of 8 pins is 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 power take-off pin in the channel 1 of the integrated circuit；P3 is the feedback signal in the channel 1 of the integrated circuit
Input terminal pin；P4 is the enabled control terminal pin in the channel 1 of the integrated circuit；P5 is the common ground pipe of the integrated circuit
Foot；P6 is the feedback signal input terminal pin in the channel 2 of the integrated circuit；P7 is the power output in the channel 2 of the integrated circuit
End pipe foot；P8 is the power input pin in the channel 2 of the integrated circuit；The input of 102 starters 1 be connected to P4 pin and
P1 pin, one exports the input terminal for being connected to 101 internal voltage regulators Yu bandgap voltage reference device, another output is connected to
An output end and 113 ratios for one input terminal of 107 latch drivers 1 and the output end of 106 comparators 1 and 114 oscillators
Compared with the output end of device 2 and an input terminal of 115 latch drivers 2；101 internal voltage regulators are defeated with bandgap voltage reference device
It is connected to an input terminal of 104 error amplifiers 1 and an input terminal of 111 error amplifiers 2 out；104 error amplifiers 1
Another input terminal connect P3 pin, output end connect 105 frequency compensators 1 output end and one of 106 comparators 1
Input terminal；Another input terminals of 106 comparators 1 connect 114 oscillators another output and one of 113 comparators 2
Input terminal；Another input terminal of 107 latch drivers 1 is connected to the output end and 108 overcurrent protectors of 103 overtemperature protectors
1 output end, output end are connected to the input terminal of 109 power switch tubes 1；The input terminal of 108 overcurrent protectors 1 is connected to P1
Another input terminal of pin and 109 power switch tubes 1；The output of 109 power switch tubes 1 is connected to P2 pin；110 resistance point
The input of depressor is connected to P6 pin, and output is connected to another input terminal of 111 error amplifiers 2；111 error amplifiers
2 output end is connected to the output end of 112 frequency compensators 2 and another input terminal of 113 comparators 2；116 starters and owe
The input terminal of pressure protector 2 is connected to the input terminal of P8 pin and 117 overcurrent protectors 2 and the input of 118 power switch tubes 2
End, output end are connected to another input terminal of 115 latch drivers and the output end of 117 overcurrent protectors 2；115 latch
The output end of driver 2 is connected to the input terminal of 118 power switch tubes 2；The output end of 118 power switch tubes 2 is connected to P7 pipe
Foot.
Fig. 2 is the storage battery vehicle controller that this patent " integrated circuit of a built-in binary channels DC voltage converter " is realized
The typical application circuit schematic diagram of middle binary channels DC voltage conversion function.The parameter index of all devices in figure see the table below:
| Device number | Type of device and explanation | Parameter index |
| 100 | Integrated circuit described in this patent | XL7001 |
| 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 | 30K/0.25W |
| 208 | Resistance | 2.7K/0.25W |
| 209 | Capacitor | 33nF/35V |
| 210 | Schottky diode | SS34 |
| 211 | Inductance coil | 100uH/1A |
| 212 | Export high frequency capacitance | 1uF/35V |
| 213 | Output filter capacitor | 220uF/16V |
Fig. 2 is the storage battery vehicle controller that this patent " integrated circuit of a built-in binary channels DC voltage converter " is realized
The typical application circuit schematic diagram of middle binary channels DC voltage conversion function, 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 are input to this after 201 and 202 filtering and integrate
The power input P1 pin in the channel 1 of circuit, from the function of P2 pin output channel 1 after 100 inter-process of integrated circuit
Rate voltage signal is pure constant DC voltage by exporting VOUT1 after 205 and 206 capacitor filterings after 204 inductive energy storages；
203 be afterflow Schottky diode；207 and 208 be divider resistance, and 209 be compensating electric capacity, and the voltage of VOUT1 passes through partial pressure electricity
The setting formula of resistance 207/208 are as follows: VOUT1=1.25V* (1+207/208) is set as 15V here；207 and 208 connections
It is fed back by P3 pin to inside integrated circuit 100 after node sample to the variation of output voltage VO UT1,100 according to output electricity
Press the variation of VOUT1 to adjust the turn-on time of its internal power switching tube 1 in real time, to realize that VOUT1 output voltage is constant
Function；P4 pin be 100 internal channel 1 of integrated circuit make can control pin, when P4 pin input voltage be more than or equal to
When 2V, the channel 1 in the integrated circuit 100 will stop working (OFF state), when the voltage of P4 pin input is less than or equal to
When 0.8V, the channel 1 in the integrated circuit 100 will work normally (ON state)；When the channel of the integrated circuit 100 1 is in ON
When state, the output VOUT1 in channel 1 is inputted as the input power of the integrated circuit internal channel 2 from P8 pin, by integrated electricity
It is filtered after 211 inductive energy storages by 212 and 213 capacitors after handling from the power voltage signal of P7 pin output channel 2 on road 100
It is pure constant DC voltage that VOUT2 is exported after wave；210 be afterflow Schottky diode；The voltage of VOUT2 is fixedly installed
The voltage of 5V, VOUT2 are fed back by P6 pin to inside integrated circuit 100, and 100 carry out reality according to the variation of output voltage VO UT2
When adjust internal power switching tube 2 turn-on time, to realize the constant function of VOUT2 output voltage；P5 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 binary channels DC voltage converter, it is characterized in that including internal voltage regulator and band-gap reference
Voltage device, starter 1, overtemperature protector, error amplifier 1, frequency compensator 1, comparator 1, latch driver 1, overcurrent are protected
It protects device 1, power switch tube 1, resitstance voltage divider, error amplifier 2, frequency compensator 2, comparator 2, oscillator, latch driving
Device 2, starter and pressure-failure protector 2, overcurrent protector 2, power switch tube 2 and 8 pin；This corresponding pin of 8 pins
Number be 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 power take-off pin in the channel 1 of the integrated circuit；Number of pins P3 is
The feedback signal input terminal pin in the channel 1 of the integrated circuit；Number of pins P4 is the enabled control terminal in the channel 1 of the integrated circuit
Pin；Number of pins P5 is the common ground pin of the integrated circuit；Number of pins P6 is the feedback signal in the channel 2 of the integrated circuit
Input terminal pin；Number of pins P7 is the power take-off pin in the channel 2 of the integrated circuit；Number of pins P8 is the integrated circuit
The power input pin in channel 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153706.4A CN109861531A (en) | 2019-02-28 | 2019-02-28 | The integrated circuit of one built-in binary channels DC voltage converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153706.4A CN109861531A (en) | 2019-02-28 | 2019-02-28 | The integrated circuit of one built-in binary channels DC voltage converter |
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| CN109861531A true CN109861531A (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910153706.4A Pending CN109861531A (en) | 2019-02-28 | 2019-02-28 | The integrated circuit of one built-in binary channels DC voltage converter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365326A (en) * | 2019-08-05 | 2019-10-22 | 电子科技大学 | A kind of star Flouride-resistani acid phesphatase thermal-shutdown circuit |
| CN110417254A (en) * | 2019-07-26 | 2019-11-05 | 上海芯龙半导体技术股份有限公司 | The integrated circuit of one built-in triple channel DC voltage 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 |
| 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 |
| CN111464025A (en) * | 2020-05-22 | 2020-07-28 | 上海芯龙半导体技术股份有限公司 | High-voltage and high-current direct-current voltage reduction and conversion integrated circuit |
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| US5729163A (en) * | 1994-10-18 | 1998-03-17 | The Boeing Company | Synchronous AC to DC conversion of differential AC signals |
| CN1893246A (en) * | 2005-06-21 | 2007-01-10 | 英特尔公司 | Multiple output buck converter |
| CN102710127A (en) * | 2011-01-11 | 2012-10-03 | 瑞昱半导体股份有限公司 | Single-inductance double-output power converter and driving method thereof |
| CN204633595U (en) * | 2015-05-28 | 2015-09-09 | 深圳市迪威乐数字技术股份有限公司 | A kind of power supply integrated management device |
| CN205753985U (en) * | 2016-06-03 | 2016-11-30 | 上海芯龙半导体技术股份有限公司 | For battery-driven step down supplies conversion integrated circuit XL7035 |
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2019
- 2019-02-28 CN CN201910153706.4A patent/CN109861531A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5729163A (en) * | 1994-10-18 | 1998-03-17 | The Boeing Company | Synchronous AC to DC conversion of differential AC signals |
| CN1893246A (en) * | 2005-06-21 | 2007-01-10 | 英特尔公司 | Multiple output buck converter |
| CN102710127A (en) * | 2011-01-11 | 2012-10-03 | 瑞昱半导体股份有限公司 | Single-inductance double-output power converter and driving method thereof |
| CN204633595U (en) * | 2015-05-28 | 2015-09-09 | 深圳市迪威乐数字技术股份有限公司 | A kind of power supply integrated management device |
| CN205753985U (en) * | 2016-06-03 | 2016-11-30 | 上海芯龙半导体技术股份有限公司 | For battery-driven step down supplies conversion integrated circuit XL7035 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417254A (en) * | 2019-07-26 | 2019-11-05 | 上海芯龙半导体技术股份有限公司 | The integrated circuit of one built-in triple channel DC voltage converter |
| CN110365326A (en) * | 2019-08-05 | 2019-10-22 | 电子科技大学 | A kind of star Flouride-resistani acid phesphatase thermal-shutdown circuit |
| 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 |
| 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 |
| CN111464025A (en) * | 2020-05-22 | 2020-07-28 | 上海芯龙半导体技术股份有限公司 | High-voltage and high-current direct-current voltage reduction and conversion integrated circuit |
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Application publication date: 20190607 |