CN209248381U - A kind of new energy vehicle controller power supply - Google Patents
A kind of new energy vehicle controller power supply Download PDFInfo
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- CN209248381U CN209248381U CN201920171403.0U CN201920171403U CN209248381U CN 209248381 U CN209248381 U CN 209248381U CN 201920171403 U CN201920171403 U CN 201920171403U CN 209248381 U CN209248381 U CN 209248381U
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Abstract
The utility model belongs to new energy vehicle controller power circuit field, more particularly to a kind of new energy vehicle controller power supply, including battery circuit, switch driving circuit, pre-process circuit and for electricity output circuit, the control output end of the switch driving circuit forms on-off with battery circuit and connect, the output end VPRE of the pretreatment circuit is formed with for electricity output circuit for being electrically connected, described includes reference voltage circuit and output circuit for electricity output circuit, the utility model pre-process to the electric energy that battery exports using power supply chip U1 and output voltage VPRE, voltage VPRE is adjusted to 5V voltage by input linear voltage regulator U2, and reference voltage is provided for subsequent output circuit, the output voltage level of subsequent output circuit is unified, guarantee preferable output performance , meet the demand and supply of power supply.
Description
Technical field
The utility model belongs to new energy vehicle controller power circuit field, and in particular to a kind of new-energy automobile control
Device power supply.
Background technique
New-energy automobile is equipped in car body using the energy of the battery as vehicle using motor drive vehicle operation
A large amount of sensor and corresponding controller, the quantity of controller is numerous and jumbled, therefore how integrated, integration is these controls
Device provides the energy, at controller power source field urgent problem to be solved.
Utility model content
For the utility model in order to solve above-mentioned problems of the prior art, the utility model provides a kind of new energy
Automobile controller power supply is capable of providing stable power supply output and uses for electrical equipments such as controller and sensors, guarantees to stablize
Power supply.
The specific technical solution that the utility model uses is:
A kind of new energy vehicle controller power supply, including battery circuit, switch driving circuit, pretreatment circuit and power supply
Output circuit, the control output end of the switch driving circuit form on-off with battery circuit and connect, the battery
It is electrically connected between battery and the electrical energy inputs for pre-processing circuit, the output end VPRE of the pretreatment circuit and confession
Electricity output circuit is formed for electrical connection, and described with processing circuit includes power supply chip U1, the output of the battery circuit
End is connect with the supplying power for input end of power supply chip, and the output end of the power supply chip U1 is formed as pre-processing the output end of circuit
VPRE, described for electricity output circuit includes reference voltage circuit and output circuit,
The reference voltage circuit includes linear voltage regulator U2, the output end VPRE of the described pretreatment circuit with
For electrical connection, the end Q of the linear voltage regulator U2 is formed as reference voltage circuit at the end I of linear voltage regulator U2
Output end,
The output circuit includes low pressure tracking adjuster U3, and output end and the low pressure of the reference voltage circuit chase after
The end ADJ/EN of track adjuster U3 connects, and low pressure tracks the end VIN of adjuster U3 and the output end VPRE of pretreatment circuit powers
The end VOUT of connection, low pressure tracking adjuster U3 is formed as the output end of output circuit.
The output circuit is provided with multiple groups.
One end of inductance L2 is connected with after SW_PRE1 and the SW_PRE1 series connection of the power supply chip U1, inductance L2 is in parallel
There is Zener diode D3, the other end of the inductance L2 is formed as pre-processing the output end VPRE of circuit.
The switch driving circuit includes triode Q3, the output end ground connection of the triode Q3, triode Q3's
Input terminal is formed as the control output end of switch driving circuit, and the base stage of triode Q3 is connected with outer signal source.
The battery circuit includes the end BATT1 connecting with battery, and the end BATT1 and P-channel type field are imitated
Should pipe Q1 drain electrode connection, concatenate with resistance R1 between the source electrode and ground of the field-effect tube Q1 by resistance R2 electric to divide
Road, the resistance R2 are connect with the tie point of resistance R1 with the grid of field-effect tube Q1, the source electrode of the field-effect tube Q1
Be formed as the end BATT2 of battery circuit；
The end BATT2 of battery circuit is connect with the end VSUP1 of power supply chip U1, the end the BATT2 series connection of battery circuit
It is connect after magnetic bead FB1 with the end VSUP1 and VSUP1 of power supply chip U1, the both ends the magnetic bead FB1 difference series capacitance C3 and electricity
Hold C4 be formed as π type filter circuit with being followed by,
The source electrode of field-effect tube Q1 is also connected with the source electrode of the field-effect tube Q2 of P-channel, the field-effect tube of the P-channel
The drain electrode of Q2 is formed as the DRVPO voltage output end of battery circuit.
The beneficial effects of the utility model are:
The utility model pre-process to the electric energy that battery exports using power supply chip U1 and output voltage VPRE, borrows
It helps input linear voltage regulator U2 that voltage VPRE is adjusted to 5V voltage, and provides reference voltage for subsequent output circuit,
The output voltage level of subsequent output circuit is unified, guarantee preferable output performance, meets the demand and supply of power supply.
Detailed description of the invention
Fig. 1 switch driving circuit, battery circuit and the schematic diagram for pre-processing circuit；
Fig. 2 is the circuit diagram of reference voltage circuit；
Fig. 3 is the schematic diagram of output circuit；
Specific embodiment
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail:
Specific embodiment is as shown in Figure 1, the utility model is a kind of new energy vehicle controller power supply, including battery electricity
Road, switch driving circuit pre-process circuit and for electricity output circuit, the control output end of the switch driving circuit and electric power storage
Pond circuit forms on-off connection, and the battery circuit is connected between battery and the electrical energy inputs for pre-processing circuit,
The output end VPRE of the pretreatment circuit is formed with for electricity output circuit for being electrically connected, described to include electricity with processing circuit
Source chip U1, the output end of the battery circuit and the supplying power for input end of power supply chip connect, the power supply chip U1
Output end be formed as pre-processing the output end VPRE of circuit, described for electricity output circuit includes reference voltage circuit and output
Circuit,
The working principle of the utility model be using power supply chip U1 to the electric energy that battery export carry out pre-process and it is defeated
Voltage VPRE out,
The reference voltage circuit includes linear voltage regulator U2, the output end VPRE of the described pretreatment circuit with
For electrical connection, the end Q of the linear voltage regulator U2 is formed as reference voltage circuit at the end I of linear voltage regulator U2
Voltage VPRE is adjusted to 5V voltage by input linear voltage regulator U2 and by the output of reference voltage circuit by output end
End is exported, and provides reference voltage for subsequent output circuit, and the output circuit includes low pressure tracking adjuster U3,
The output end of the reference voltage circuit is connect with the end ADJ/EN of low pressure tracking adjuster U3, and the end ADJ/EN is
Low pressure tracks reference voltage input terminal and the enable end of adjuster U3, and low pressure tracks the end VIN and the pretreatment circuit of adjuster U3
Output end VPRE for electrical connection, the end VOUT of low pressure tracking adjuster U3 is formed as the output end of output circuit.
Further, in order to meet the power supply needs of the numerous and jumbled controller of quantity, the output circuit is provided with multiple groups.
Further, as shown in Figure 1, being connected with inductance after SW_PRE1 and the SW_PRE1 series connection of the power supply chip U1
One end of L2, inductance L2 are parallel with Zener diode D3, and the other end of the inductance L2 is formed as pre-processing the output of circuit
Hold VPRE.The SW_PRE1 and the triode inside SW_PRE1 of inductance L2, Zener diode D3 and power supply chip U1 constitute decompression
The voltage VPRE of circuit, output inputs different circuits for subsequent for electricity output through capacitor C22 filtering seven tunnel Hou Fen.
As shown in Figure 1, the switch driving circuit includes triode Q3, the output end ground connection of the triode Q3,
The input terminal of triode Q3 is formed as the control output end of switch driving circuit, and the base stage of triode Q3 is connected with outer signal
Source provides the control signal of low and high level by base stage of the outer signal source to triode Q3, and when signal is high level, Q3 is led
Logical, battery circuit is connected at this time, works on power, otherwise Q3 cut-off, battery circuit cut-off, subsequent device power-off.
As shown in Figure 1, the battery circuit includes the end BATT1 connecting with battery, the end BATT1 and P
The drain electrode of channel-type field-effect tube Q1 connects, and goes here and there between the source electrode and ground of the field-effect tube Q1 by resistance R2 and resistance R1
It is connected in bleeder circuit, the resistance R2 is connect with the tie point of resistance R1 with the grid of field-effect tube Q1, the field-effect
The source electrode of pipe Q1 is formed as the end BATT2 of battery circuit；
The end BATT2 of battery circuit is connect with the end VSUP1 of power supply chip U1, the end the BATT2 series connection of battery circuit
It is connect after magnetic bead FB1 with the end VSUP1 and VSUP1 of power supply chip U1, the both ends the magnetic bead FB1 difference series capacitance C3 and electricity
Hold C4 be formed as π type filter circuit with being followed by,
The source electrode of field-effect tube Q1 is also connected with the source electrode of the field-effect tube Q2 of P-channel, the field-effect tube of the P-channel
The drain electrode of Q2 is formed as the DRVPO voltage output end of battery circuit.
Power supply through Transient Suppression Diode D1 overvoltage protection, the field-effect tube Q1 reverse protection of P-channel (wherein resistance R1,
R2 partial pressure provides cut-in voltage for Q1), output voltage BATT2 after capacitor C1, C2 filtering.When the pin output of controller is high, NPN
Transistor npn npn Q3 conducting, the field-effect tube Q2 of P-channel meet cut-in voltage, and output voltage DRVPO is used for other circuits；Wherein
Resistance R5, R6 partial pressure provide cut-in voltage for Q3；Resistance R3, R4 partial pressure provide cut-in voltage for Q2.
Power supply BATT2 directly inputs power supply chip U1, the model safety power supply system base chip of power supply chip U1
Input power chip U1 after the pi-network filtering that MC33FS6500LAE, power supply BATT2 are constituted through magnetic bead FB1, capacitor C3 and C4,
The end VSUP1, VSUP2, VSUP3 that power supply BATT2 is input to power supply chip U1 at this time is formed for electrical connection, when pin 12 is external
Signal source wakes up U1, the triode inside the end SW_CORE of inductance L1, Zener diode D2 and power supply chip U1 when being high level
Reduction voltage circuit is constituted, the voltage VCORE of output powers after capacitor C15 filtering for other chips；
The voltage VAUX of power supply chip U1 external connection PNP transistor Q4 output is other cores after capacitor C18 filtering
Piece power supply；
The voltage VCCA exported after power supply chip U1 external connection PNP transistor Q5 is other after capacitor C19 filtering
Chip power supply；
Magnetic bead FB2, which is connected between power ground and signal ground, inhibits interference；Resistance R7 is sampling resistor, and capacitor C5 inhibition is adopted
Sample interference；
Capacitor C6, C7 filter out interference；Resistance R8 is connected on the input terminal of KEYON signal source as shown in Figure 1, plays current limliting
Effect of the partial pressure protection U1 chip from damage, capacitor C8 inhibition input signal interference；The connection control of power supply chip U1 pin 17
The analog-digital converter of device, the external controller as signal source obtain the multiple signals of U1, capacitor C9 by SPI communication
Filter out output signal interference；Power down drags down pin 24 when the controller resets, so that U1 also resets, resistance R9 is pull-up resistor,
Ensure to be high level when pin 24 does not receive reset signal, capacitor C10 filters out signal interference；It is dry that capacitor C12 filters out power supply signal
It disturbs；The output voltage of resistance R10 setting pin 38 and pin 43；The U1 that it is connected is fed back to after resistance R12 and R13 partial pressure to draw
Error amplifier inside foot；The network of resistance R14, R15 and capacitor C16, C17 composition is that the output of error amplifier is mended
It repays；Capacitor C13, C20 are bootstrap capacitor；Capacitor C14 and resistance R11 forms buffer, guarantees that circuit board working performance is good；Electricity
Hold C21 and resistance R16 and form buffer, guarantees that circuit board working performance is good.
Voltage VPRE through capacitor C23 filtering after, input linear voltage regulator U2 output voltage 5V1 through capacitor C25,
Adjuster TLE4250-2G is tracked for low pressure after C26 filtering, and reference voltage is provided；The duration that U2 resets is arranged in capacitor C24.
Voltage VPRE input low pressure after capacitor C28 filtering tracks adjuster U3, and low pressure tracks the model of adjuster U3
For TLE4250-2G, enables termination and pass through the filtered voltage 5V1 of capacitor C27, the voltage of output is after capacitor C29, C30 filtering
As the power supply of sensor, small load of the resistance R18 as U3 is stabilized the output voltage, as sensor or the power supply of controller.
Claims (5)
1. a kind of new energy vehicle controller power supply, including battery circuit, switch driving circuit, pretreatment circuit and power supply are defeated
Circuit out, the control output end of the switch driving circuit form on-off with battery circuit and connect, the battery electricity
Road is connected between battery and the electrical energy inputs for pre-processing circuit, the output end VPRE of the pretreatment circuit and power supply
Output circuit is formed for electrical connection, it is characterised in that: described with processing circuit includes power supply chip U1, the battery electricity
The output end on road and the supplying power for input end of power supply chip connect, and the output end of the power supply chip U1 is formed as pre-processing circuit
Output end VPRE, described for electricity output circuit includes reference voltage circuit and output circuit,
The reference voltage circuit includes linear voltage regulator U2, the output end VPRE of the described pretreatment circuit and linear
For electrical connection, the end Q of the linear voltage regulator U2 is formed as the output of reference voltage circuit at the end I of voltage regulator U2
End,
The output circuit includes low pressure tracking adjuster U3, and output end and the low pressure tracking of the reference voltage circuit are adjusted
Save device U3 the end ADJ/EN connection, low pressure track adjuster U3 the end VIN with pre-process circuit output end VPRE for being electrically connected,
The end VOUT of low pressure tracking adjuster U3 is formed as the output end of output circuit.
2. a kind of new energy vehicle controller power supply according to claim 1, it is characterised in that: the output circuit is set
It is equipped with multiple groups.
3. a kind of new energy vehicle controller power supply according to claim 1, it is characterised in that: the power supply chip U1
SW_PRE1 and SW_PRE1 series connection after be connected with one end of inductance L2, inductance L2 is parallel with Zener diode D3, the electricity
The other end of sense L2 is formed as pre-processing the output end VPRE of circuit.
4. a kind of new energy vehicle controller power supply according to claim 1, it is characterised in that: the switch drives electricity
Road includes triode Q3, and the output end ground connection of the triode Q3, the input terminal of triode Q3 is formed as switch driving circuit
Control output end, the base stage of triode Q3 is connected with outer signal source.
5. a kind of new energy vehicle controller power supply according to claim 1, it is characterised in that: the battery circuit
Including the end BATT1 connecting with battery, the end BATT1 is connect with the drain electrode of P-channel type field-effect tube Q1, the field
Concatenating by resistance R2 with resistance R1 between the source electrode and ground of effect pipe Q1 is bleeder circuit, the resistance R2 and resistance R1's
Tie point is connect with the grid of field-effect tube Q1, and the source electrode of the field-effect tube Q1 is formed as the end BATT2 of battery circuit；
The end BATT2 of battery circuit is connect with the end VSUP1 of power supply chip U1, the end the BATT2 series connection magnetic bead of battery circuit
It is connect after FB1 with the end VSUP1 and VSUP1 of power supply chip U1, series capacitance C3 and capacitor C4 is distinguished at the both ends magnetic bead FB1
Be formed as π type filter circuit with being followed by,
The source electrode of field-effect tube Q1 is also connected with the source electrode of the field-effect tube Q2 of P-channel, the field-effect tube Q2's of the P-channel
Drain electrode is formed as the DRVPO voltage output end of battery circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920171403.0U CN209248381U (en) | 2019-01-31 | 2019-01-31 | A kind of new energy vehicle controller power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920171403.0U CN209248381U (en) | 2019-01-31 | 2019-01-31 | A kind of new energy vehicle controller power supply |
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| Publication Number | Publication Date |
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| CN209248381U true CN209248381U (en) | 2019-08-13 |
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| CN201920171403.0U Active CN209248381U (en) | 2019-01-31 | 2019-01-31 | A kind of new energy vehicle controller power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235191A (en) * | 2020-10-15 | 2021-01-15 | 卓信通信股份有限公司 | Multifunctional intelligent lamp pole gateway |
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2019
- 2019-01-31 CN CN201920171403.0U patent/CN209248381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235191A (en) * | 2020-10-15 | 2021-01-15 | 卓信通信股份有限公司 | Multifunctional intelligent lamp pole gateway |
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