Infineon TLE9561 based Automotive Electric Tailgate Solution

Application Scenario: Automotive electric tailgate is becoming more and more popular in the current automotive configuration, especially on electric vehicles, where the coverage of electric tailgate is higher, and the electric tailgate market will further expand in the future.

This solution is the electric control unit (ECU) for automotive electric tailgate system. The key devices are Infineon PoC4 MCU, Infineon TLE9561 motor driver, the functions realized are: CAN communication, tailgate motor driver, latch motor driver, latch signal acquisition, tailgate switch signal acquisition and control, anti-pinch function, kick open function. It is applied to various fuel, hybrid and pure electric platform passenger cars at present.

Market advantage: The key chips used in this solution are Infineon PSoC4 series automotive MCU and Infineon MOTIX automotive motor driver TLE9561, PSoC4 S Plus series selected for automotive MCU with inductive sensing, which can meet the application scenario of kick open door; motor driver TLE9561 is a multi-functional IC, integrated LDO, 4 half bridge driver, high side The motor driver TLE9561 is a multi-functional IC with integrated LDO, 4 half-bridge driver, high-side switch, PWM input, diagnostic and monitoring functions, and can do anti-pinch function. In the increasingly popular electric tailgate market, this solution has the characteristics of high integration, high reliability, low cost, and strong scalability, and can meet the needs of OEMs, Tier1 and other related vehicle manufacturers for the performance and functionality of automotive electric tailgate.

►Scene application diagram

►Display board photo

►Solution cube diagram

►Core Technology Advantage

Key Device Infineon PSoC4 CY8C4147LQE Advantages:

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/Os available - CAN, SCB (UART, I2C, SPI, LIN), PWM support - Capsense, inductive sensing - Temperature range of -40C to +125C

3. Easy to use: Free IDE, graphical configuration interface, perfect API interface, and quick start instructional videos for engineers to develop quickly. Key components Infineon TLE9561 advantages: 1. integrated 5V, 250mA LDO 2. integrated 4 half-bridge drivers, 4 high-side switches 3. integrated CAN FD transceiver 4.

4. 4 PWM inputs, SPI communication interface

5. ultra-low quiescent current in stop and sleep mode 6. diagnostic and monitoring 7. AEC-Q100 certified

► Solution Specifications

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

2. ultra-low sleep power consumption, typical value of 18uA

3. temperature range -40 C to 150 C

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

5. 4 PWM inputs 6. 1 SPI interface 7. 1 CAN FD