Automotive electric tailgate solution based on Infineon TLE9561

Publisher:EnigmaticCharmLatest update time:2023-05-24 Source: 大大通 Reading articles on mobile phones Scan QR code
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Application scenarios: Automobile electric tailgates are becoming more and more popular in current car configurations, especially in electric vehicles. The coverage of electric tailgates is higher, and the electric tailgate market will further expand in the future. This solution is the electronic control unit (ECU) of the automobile electric tailgate system. The key components are Infineon PoC4 MCU and Infineon TLE9561 motor driver. The functions implemented are: CAN communication, tailgate motor drive, latch motor drive, latch signal acquisition, tailgate switch signal acquisition and control, and anti-pinch function. , kick open door function. Applied to various current fuel, hybrid, and pure electric platform passenger vehicles.


Market advantage: The key chips used in this solution are Infineon 's PSoC4 series automotive-grade MCU and Infineon's MOTIX automotive-grade motor driver TLE9561 . The automotive-grade MCU uses the PSoC4  S Plus series, which has inductive induction and can meet the requirements of kicking the door open. Application scenario: The motor driver TLE9561 is a multi-functional IC that integrates LDO, 4 half-bridge drivers, high-side switches, PWM input, diagnostic and monitoring functions, and can perform anti-pinch functions. In the increasingly popular electric tailgate market, this solution has the characteristics of high integration, strong reliability, low cost and strong scalability, and can meet the performance and functional needs of automobile electric tailgates from OEMs, Tier1 and other related car manufacturers.


►Scenario application diagram

►Display board photo

►Solution block diagram

►Core technology advantages

Advantages of the key device Infineon  PSoC4  CY8C4147LQE:


1. Automotive-grade high performance: Cortex™-M0+ core, 48MHz main frequency


2. Rich peripheral resources: · 128KB Flash, 16KB SRAM · 12-bit 1 Msps ADC · Up to 34 I/O available · Support CAN, SCB (UART, I2C, SPI, LIN), PWM · Capsense, inductor Sensing·Temperature range is -40C to +125C


3. Easy to use: free IDE, graphical configuration interface, complete API interface, and quick-start tutorial videos to facilitate quick development by engineers.


Advantages of the key device Infineon TLE9561:


1. Integrated 5V, 250mA LDO


2. Integrate 4 half-bridge drivers and 4 high-side switches


3. Integrated CAN FD transceiver


4. 4 PWM inputs, SPI communication interface


5. Ultra-low quiescent current in stop and sleep modes


6. Diagnosis and Monitoring


7. Passed AEC-Q100 certification

►Project specifications

1. 4 half-bridge power outputs, can carry 2 DC motors


2. Ultra-low sleep power consumption, typical value is 18uA


3. Temperature range-40 C to 150 C


4. 1 dual-stage Charge Pump, 4 150mA high-side switches


5. 4 channels of PWM input


6. 1-way SPI interface


7. 1 channel CAN FD



Reference address:Automotive electric tailgate solution based on Infineon TLE9561

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