CN209215913U - A kind of power-supply management system based on entire car controller - Google Patents
A kind of power-supply management system based on entire car controller Download PDFInfo
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- CN209215913U CN209215913U CN201920114599.XU CN201920114599U CN209215913U CN 209215913 U CN209215913 U CN 209215913U CN 201920114599 U CN201920114599 U CN 201920114599U CN 209215913 U CN209215913 U CN 209215913U
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Abstract
The utility model relates to power supply management device technical field for electric vehicle more particularly to a kind of power-supply management systems based on entire car controller；Including power management chip, the first power supply output enable signal input terminal of the power management chip is electrically connected with power on switch, and the first power supply output enable signal input terminal is also electrically connected with the first power supply of entire car controller output enable signal output end；The first power output end corresponding with the first power supply output enable signal is electrically connected with the entire car controller, and second source output end is electrically connected with electricity consumption device.Power-supply management system disclosed in the utility model based on entire car controller, pass through the setting of electrical connection entire car controller and power on switch by the way that the first power supply of power management chip is exported enable signal input terminal, it just can be realized lower electric timing without extra circuits, solve the problems, such as that power supply starting signal can either enable electric power management circuit and can be monitored simultaneously again.
Description
Technical field
The utility model relates to power supply management device technical fields for electric vehicle, more particularly to one kind to be based on full-vehicle control
The power-supply management system of device.
Background technique
Entire car controller is the key control unit of new-energy automobile, now with encouraging with depot not for national policy
Disconnected development and competition, the function of vehicle are gradually become strong and perfect, while function to entire car controller and performance requirement are also with regard to phase
The increase answered, therefore the quiescent dissipation for causing entire car controller hardware increases, while being also required to entire car controller in lower electricity
Need to carry out power down delay to realize that storage to significant data and relevant equipment carry out lower electric timing sequence process.
Therefore, to solve the above-mentioned problems, it is badly in need of inventing a kind of new power-supply management system based on entire car controller.
Summary of the invention
The purpose of this utility model is that: a kind of power-supply management system based on entire car controller is provided, solves power supply
Enabling signal can either enable the problem that electric power management circuit can be monitored simultaneously again.
The utility model provides following proposal:
A kind of power-supply management system based on entire car controller, including power management chip, on the power management chip
Equipped with the first power supply output enable signal input terminal E1, the first power output end Q1 and second source output end Q2, described first
Power supply exports enable signal input terminal E1 and exports enable signal with the first power supply of power on switch and entire car controller respectively
Output end IO_E1 electrical connection, the first power output end Q1 are electrically connected with the electrical energy inputs VCC of the entire car controller,
The second source output end Q2 with electricity consumption device for being electrically connected.
Preferably, the power-supply management system based on entire car controller further includes protection circuit, first power supply
Output enable signal input terminal E1 is electrically connected with one end of the protection circuit, the other end and the power supply of the protection circuit
Start switch electrical connection.
Preferably, the protection circuit includes first resistor R1, second resistance R2 and first diode D1, first electricity
Source output enable signal input terminal E1 is electrically connected with one end of the first resistor, the other end ground connection of the first resistor, institute
State one end of second resistance and the public connecting end electricity of first power supply output enable signal input terminal and the first resistor
Connection, the other end of the second resistance are electrically connected with the cut-off end of the first diode, the conducting of the first diode
End is electrically connected with the power on switch.
Preferably, the protection circuit further includes the second diode D2, the cut-off end of second diode and described the
One diode and the electrical connection of the public connecting end of the second resistance, the conduction terminal ground connection of second diode.
Preferably, the power-supply management system based on entire car controller further includes filter circuit, first power supply
Output enable signal input terminal E1 is electrically connected with one end of the filter circuit, the other end of the filter circuit and the vehicle
The first power supply output enable signal output end IO_E1 electrical connection of controller.
Preferably, the filter circuit includes 3rd resistor R3, the 4th resistance R4 and first capacitor C1, first power supply
Output enable signal input terminal E1 also be electrically connected with one end of the 3rd resistor, the other end of the 3rd resistor and described the
One end of four resistance is electrically connected, and the first power supply output of the other end ground connection of the 4th resistance, the entire car controller is enabled
Signal output end IO_E1 is electrically connected with the public connecting end of the 3rd resistor and the 4th resistance, the first capacitor with
4th resistor coupled in parallel.
Preferably, second source output enable signal input terminal E2 and third power supply are additionally provided on the power management chip
Export enable signal input terminal E3, the second electricity of the second source output enable signal input terminal E2 and the entire car controller
Source exports enable signal output end IO_E2 electrical connection, the third power supply output enable signal input terminal E3 and the vehicle control
The third power supply output enable signal output end IO_E3 electrical connection of device processed.
Preferably, the battery management chip is additionally provided with additional supply output enable signal input terminal EN and additional supply is defeated
The additional supply of outlet Q3, the additional supply output enable signal input terminal EN and the entire car controller exports enable signal
Output end IO_EN electrical connection, the additional supply output end Q3 with electricity consumption device for being electrically connected.
Preferably, the power-supply management system based on entire car controller further includes additional enabled resistance R6, described attached
Add one end of enabled resistance to export enable signal input terminal EN with the additional supply to be electrically connected, it is described to add the another of enabled resistance
One end is electrically connected with the additional supply of entire car controller output enable signal output end IO_EN.
Preferably, the power-supply management system based on entire car controller further includes reset resistor R5, the reset electricity
One end of resistance is electrically connected with the first power output end Q1, the other end of the reset resistor and the power management chip
The public connecting end of the reset state signal input part IO_R of reset terminal R and the entire car controller is electrically connected；It further include resetting
Capacitor C2, the first capacitor plate of the reset capacitance are electrically connected with the reset reference end of the power management chip, the reset
Second capacitor plate earthing of capacitor；The power on switch is electrically connected with power supply, the power supply and the battery
The power input I of managing chip is electrically connected.
The utility model generate the utility model has the advantages that
1, the power-supply management system disclosed in the utility model based on entire car controller, including power management chip, institute
The the first power supply output enable signal input terminal E1 for stating power management chip is electrically connected with power on switch, the power management
The first power supply output enable signal input terminal E1 of chip also exports enable signal output end with the first power supply of entire car controller
IO_E1 electrical connection, for sending the status signal of the power on switch to the entire car controller, while receiving described whole
The enable signal that vehicle controller is sent；The first of the power management chip corresponding with the first power supply output enable signal
Power output end Q1 is electrically connected with the electrical energy inputs VCC of the entire car controller, for providing electricity for the entire car controller
Source simultaneously wakes up the entire car controller, the second electricity of the power management chip corresponding with the first power supply output enable signal
Source output terminal Q2 is electrically connected with electricity consumption device, for providing power supply for electricity consumption device；By electric by the first of power management chip
Source exports enable signal input terminal by the setting of electrical connection entire car controller and power on switch, when power on switch closes
When conjunction, the power management chip work, while powering for entire car controller, it is realized by entire car controller to battery management chip
The monitoring of working condition just can be realized lower electric timing without extra circuits, realize detection and the pipe of power supply starting signal
Reason, solves the problems, such as that power supply starting signal can either enable electric power management circuit and can be monitored simultaneously again.
2, simultaneously, after power on switch power down, the consumption of whole system noenergy realizes real low-power consumption, solves
The high problem of entire car controller quiescent dissipation of having determined.
3, the protection circuit further includes the second diode D2, the cut-off end of second diode and the one or two pole
Pipe and the public connecting end of the second resistance are electrically connected, the conduction terminal ground connection of second diode；Second diode
Using TVS pipe, the precision components being effectively protected in electronic circuit improve system from the damage of various surge pulses
Fault-tolerant ability.
4, the power-supply management system based on entire car controller further includes filter circuit, the power management chip
First power supply output enable signal input terminal E1 is also electrically connected with one end of the filter circuit, the other end of the filter circuit
It is electrically connected with the first power supply of entire car controller output enable signal output end IO_E1；By the way that filter circuit is arranged, improve
The anti-interference ability of system.
Detailed description of the invention
Fig. 1 is the circuit diagram of the power-supply management system based on entire car controller of the utility model.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It is shown in Figure 1, a kind of power-supply management system based on entire car controller, including power management chip, the electricity
The first power supply output enable signal input terminal E1 of source control chip is electrically connected with power on switch, the power management chip
The first power supply output enable signal input terminal E1 also with the first power supply of entire car controller export enable signal output end IO_E1
Electrical connection, for sending the status signal of the power on switch to the entire car controller, while receiving the vehicle control
The enable signal that device processed is sent；First power supply of the power management chip corresponding with the first power supply output enable signal
Output end Q1 is electrically connected with the electrical energy inputs VCC of the entire car controller, for providing power supply simultaneously for the entire car controller
The entire car controller is waken up, the second source of the power management chip corresponding with the first power supply output enable signal is defeated
Outlet Q2 is electrically connected with electricity consumption device, for providing power supply for electricity consumption device.The power management based on entire car controller
System further includes protection circuit, the first power supply output enable signal input terminal E1 and protection electricity of the power management chip
The one end on road is electrically connected, and the other end of the protection circuit is electrically connected with the power on switch.The protection circuit includes
The first power supply output enable signal of first resistor R1, second resistance R2 and first diode D1, the power management chip are defeated
Enter to hold E1 and one end of the first resistor to be electrically connected, the other end ground connection of the first resistor, one end of the second resistance
The public connecting end for exporting enable signal input terminal and the first resistor with first power supply is electrically connected, the second resistance
The other end be electrically connected with the cut-off end of the first diode, the conduction terminal of the first diode is opened with the power initiation
Powered-down connection.The protection circuit further includes the second diode D2, the cut-off end of second diode and the one or two pole
Pipe and the public connecting end of the second resistance are electrically connected, the conduction terminal ground connection of second diode.
Shown in Figure 1, the power-supply management system based on entire car controller further includes filter circuit, the power supply
The first power supply output enable signal input terminal E1 of managing chip is also electrically connected with one end of the filter circuit, the filtered electrical
The other end on road is electrically connected with the first power supply of entire car controller output enable signal output end IO_E1.The filtered electrical
Road includes 3rd resistor R3, the 4th resistance R4 and first capacitor C1, the enabled letter of the first power supply output of the power management chip
Number input terminal E1 is also electrically connected with one end of the 3rd resistor, and the one of the other end of the 3rd resistor and the 4th resistance
End electrical connection, the other end ground connection of the 4th resistance, the first power supply of the entire car controller export enable signal output end
IO_E1 is electrically connected with the public connecting end of the 3rd resistor and the 4th resistance, the first capacitor and the 4th electricity
Resistance is in parallel.
It is shown in Figure 1, the second source output enable signal input terminal E2 of the power management chip and the vehicle
The second source output enable signal output end IO_E2 electrical connection of controller, the third power supply output of the power management chip
Enable signal input terminal E3 is electrically connected with the third power supply of entire car controller output enable signal output end IO_E3, described
The second source output end Q2 of first power output end Q1 of power management chip and the power management chip is also respectively with
Two power supplys export enable signal and third power supply output enable signal is corresponding.
It is shown in Figure 1, the additional supply output enable signal input terminal EN of the power management chip and the vehicle
The additional supply output enable signal output end IO_EN electrical connection of controller, the additional supply output of the power management chip
Hold Q3 corresponding with additional supply output enable signal.The power-supply management system based on entire car controller further includes adding
Enabled resistance R6, one end of the additional enabled resistance and the additional supply output enable signal input of the power management chip
Hold EN electrical connection, the additional supply output enable signal output of the other end and the entire car controller of the additional enabled resistance
Hold IO_EN electrical connection；Enable signal input terminal is exported by setting additional supply, increases the extended capability of system.
Shown in Figure 1, the power-supply management system based on entire car controller further includes reset resistor R5, described multiple
Position resistance one end be electrically connected with the first power output end Q1 of the power management chip, the other end of the reset resistor and
The public connecting end of the reset state signal input part IO_R of the reset terminal R and entire car controller of the power management chip
Electrical connection；It further include reset capacitance C2, the first capacitor plate of the reset capacitance and the reset reference of the power management chip
End electrical connection, the second capacitor plate earthing of the reset capacitance；The power on switch is electrically connected with power supply, the confession
Power supply is electrically connected with the power input I of the battery management chip.
Based on the power-supply management system of entire car controller, including power management chip, the power supply described in the present embodiment
The first power supply output enable signal input terminal E1 of managing chip is electrically connected with power on switch, the power management chip
It is also electric with the first power supply of entire car controller output enable signal output end IO_E1 that first power supply exports enable signal input terminal E1
Connection, for sending the status signal of the power on switch to the entire car controller, while receiving the full-vehicle control
The enable signal that device is sent；First power supply of the power management chip corresponding with the first power supply output enable signal is defeated
Outlet Q1 is electrically connected with the electrical energy inputs VCC of the entire car controller, for providing power supply for the entire car controller and calling out
It wakes up the entire car controller, the second source of the power management chip corresponding with the first power supply output enable signal exports
End Q2 is electrically connected with electricity consumption device, for providing power supply for electricity consumption device；By the way that the first power supply of power management chip is exported
Enable signal input terminal passes through the setting of electrical connection entire car controller and power on switch, when power on switch closure,
The power management chip work, while powering for entire car controller, it is realized by entire car controller and is worked battery management chip
The monitoring of state just can be realized lower electric timing without extra circuits, realize the testing and management of power supply starting signal, solve
Power supply starting signal of having determined can either enable the problem that electric power management circuit can be monitored simultaneously again；Meanwhile working as power initiation
After switching power down, the consumption of whole system noenergy realizes real low-power consumption, it is high to solve entire car controller quiescent dissipation
Problem；In addition, circuit structure is simple, design is dexterous, using extensive, can be finely adjusted according to varying environment, low in cost, property
It can stablize.
Based on the power-supply management system of entire car controller described in the present embodiment, the protection circuit further includes the two or two pole
The cut-off end of pipe D2, second diode are electrically connected with the public connecting end of the first diode and the second resistance,
The conduction terminal of second diode is grounded；Second diode uses TVS pipe, the precision being effectively protected in electronic circuit
Component improves system survivability from the damage of various surge pulses.
Based on the power-supply management system of entire car controller, the power supply based on entire car controller described in the present embodiment
Management system further includes filter circuit, the first power supply of power management chip output enable signal input terminal E1 also with it is described
One end of filter circuit is electrically connected, the enabled letter of the first power supply output of the other end of the filter circuit and the entire car controller
Number output end IO_E1 electrical connection；By the way that filter circuit is arranged, the anti-interference ability of system is improved.
The course of work of power-supply management system described in the present embodiment based on entire car controller are as follows: system is by power supply
POWER (can be battery) power supply, KEY_ON signal (can also increase other starting letters connected in parallel as power on switch
Number, such as CAN wake-up signal, charging signals etc.), entire car controller is powered after power initiation, entire car controller monitoring
KEY_ON signal condition, and power circuit is supervised to control power supply: where when KEY_ON is not enabled on, KEY_ON
Voltage is 0V, and entire car controller is not powered, and whole system is in non-working condition；When KEY_ON is enabled: (1) power management core
The e1 port of piece is in enabled state, at this time power management chip Q1 and Q2 output 5V voltage (E1, E2 and E3 be or logic
Relationship controls Q1 and Q2)；(2) voltage that Q1 is exported is powered to entire car controller, and entire car controller monitors power management chip
E1 pin enabled state, comprehensive output for controlling power management chip is come by control E1, E2, E3 and EN signal at this time；
(3) entire car controller enables E2, E3 and EN signal as needed and realizes lower electric timing, and wherein EN controls the output of Q3, E2, E3 and
The output of E1 control Q1 and Q2；(4) (pass through IO_E1 Port detecting) when KEY_ON invalidating signal, entire car controller is logical at this time
The output for crossing control E2 and E3 port controlling Q1 and Q2, can reach the logic control of lower electricity.
Based on the power-supply management system of entire car controller described in the present embodiment, each device interface function declaration is as follows: (1)
Power management chip realizes the function of triple Voltagre regulators, model TLE4471: input voltage range is 5.5V~40V, defeated
3 road 5V supply voltage out can power for entire car controller and electricity consumption device, and maximum current is up to 450mA.(2) the 1st poles
Pipe D1, model MMSD4148: this system selects diode forward conducting, the function of reversely ending.(3) second diode D2 are
TVS pipe, model SMBJ24CA: the precision components being effectively protected in electronic circuit, from the damage of various surge pulses.
(4) KEY_ON: the power supply wake-up signal of power on switch, wake-up voltage range are 12 ± 5%V, can quote ON grades of automobile letters
Number.(5) IO_E1: the first power supply of entire car controller exports enabled output end, common with E1, E3 pin of power management chip
It manages power supply and exports Q1 and Q2, be also used as signal acquisition input port, acquire e1 port signal condition.(6) IO_E2: full-vehicle control
The second source of device exports enabled output end, manages power supply output Q1 and Q2 jointly with E1, E3 pin of power management chip；
(7) IO_E3: the third power supply of entire car controller exports enabled output end, manages jointly with E1, E2 pin of power management chip
Power supply exports Q1 and Q2；As long as IO_E1, IO_E2 and IO_E3 have enable signal all the way, Q1 and Q2 export 5V voltage simultaneously.
(8) IO_EN: the additional supply of entire car controller exports enabled output end, for enabling power supply output Q3；(9) IO_R: shape is resetted
State acquires port；(10) POWER is power input voltage.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of power-supply management system based on entire car controller, it is characterised in that: including power management chip, the power supply pipe
It manages chip and is equipped with the first power supply output enable signal input terminal E1, the first power output end Q1 and second source output end Q2,
The first power supply output enable signal input terminal E1 is exported with the first power supply of power on switch and entire car controller respectively
Enable signal output end IO_E1 electrical connection, the electrical energy inputs VCC of the first power output end Q1 and the entire car controller
Electrical connection, the second source output end Q2 with electricity consumption device for being electrically connected.
2. the power-supply management system according to claim 1 based on entire car controller, it is characterised in that: further include protection electricity
Road, the first power supply output enable signal input terminal E1 are electrically connected with one end of the protection circuit, the protection circuit
The other end is electrically connected with the power on switch.
3. the power-supply management system according to claim 2 based on entire car controller, it is characterised in that: the protection circuit
Including first resistor R1, second resistance R2 and first diode D1, first power supply export enable signal input terminal E1 and institute
State one end electrical connection of first resistor, the other end ground connection of the first resistor, one end of the second resistance and described first
Power supply exports the public connecting end electrical connection of enable signal input terminal and the first resistor, the other end of the second resistance with
The cut-off end of the first diode is electrically connected, and the conduction terminal of the first diode is electrically connected with the power on switch.
4. the power-supply management system according to claim 3 based on entire car controller, it is characterised in that: the protection circuit
Further include the second diode D2, the cut-off end of second diode and the first diode and the second resistance it is public
Connecting pin electrical connection, the conduction terminal ground connection of second diode.
5. the power-supply management system according to claim 4 based on entire car controller, it is characterised in that: further include filtered electrical
Road, the first power supply output enable signal input terminal E1 are electrically connected with one end of the filter circuit, the filter circuit
The other end is electrically connected with the first power supply of entire car controller output enable signal output end IO_E1.
6. the power-supply management system according to claim 5 based on entire car controller, it is characterised in that: the filter circuit
Including 3rd resistor R3, the 4th resistance R4 and first capacitor C1, first power supply output enable signal input terminal E1 also with institute
One end electrical connection of 3rd resistor is stated, the other end of the 3rd resistor is electrically connected with one end of the 4th resistance, and described the
The other end of four resistance is grounded, the first power supply output enable signal output end IO_E1 of the entire car controller and the third
The electrical connection of the public connecting end of resistance and the 4th resistance, the first capacitor and the 4th resistor coupled in parallel.
7. the power-supply management system according to claim 6 based on entire car controller, it is characterised in that: the power management
It is additionally provided with second source output enable signal input terminal E2 and third power supply output enable signal input terminal E3 on chip, described the
Two power supplys export the second source output enable signal output end IO_E2 electricity of enable signal input terminal E2 and the entire car controller
The third power supply output enable signal of connection, the third power supply output enable signal input terminal E3 and the entire car controller is defeated
Outlet IO_E3 electrical connection.
8. the power-supply management system according to claim 7 based on entire car controller, it is characterised in that: the power management
Chip is additionally provided with additional supply output enable signal input terminal EN and additional supply output end Q3, and the additional supply output is enabled
Signal input part EN is electrically connected with the additional supply of entire car controller output enable signal output end IO_EN, described additional
Power output end Q3 with electricity consumption device for being electrically connected.
9. the power-supply management system according to claim 8 based on entire car controller, it is characterised in that: further include additional make
Energy resistance R6, one end of the additional enabled resistance is electrically connected with additional supply output enable signal input terminal EN, described
The other end of additional enabled resistance is electrically connected with the additional supply of entire car controller output enable signal output end IO_EN.
10. the power-supply management system according to claim 9 based on entire car controller, it is characterised in that: further include resetting
Resistance R5, one end of the reset resistor are electrically connected with the first power output end Q1, the other end of the reset resistor with
The public connecting end of the reset state signal input part IO_R of the reset terminal R and entire car controller of the power management chip
Electrical connection；It further include reset capacitance C2, the first capacitor plate of the reset capacitance and the reset reference of the power management chip
End electrical connection, the second capacitor plate earthing of the reset capacitance；The power on switch is electrically connected with power supply, the confession
Power supply is electrically connected with the power input I of the power management chip.
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| CN201920114599.XU CN209215913U (en) | 2019-01-23 | 2019-01-23 | A kind of power-supply management system based on entire car controller |
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| CN201920114599.XU CN209215913U (en) | 2019-01-23 | 2019-01-23 | A kind of power-supply management system based on entire car controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581941A (en) * | 2019-01-23 | 2019-04-05 | 北斗航天汽车（北京）有限公司 | Power-supply management system and method based on entire car controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581941A (en) * | 2019-01-23 | 2019-04-05 | 北斗航天汽车（北京）有限公司 | Power-supply management system and method based on entire car controller |
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