高集成度BCM-车身控制MLX81150电机驱动芯片系统优选器件方案
器件优势
• R7F7010323 MCU,具有40nm工艺,集成度高,符合ISO26262标准,支持硬件加密SHE/HSM (硬件加密模块),使数据更加安全可靠;
• 本方案涵盖BCM绝大部分的器件,传感器、MCU、无线、电机驱动等,非常方便工程师选型。
方案概述
车身控制系统是车身部件最重要的控制器之一。除了传统的灯光控制、雨刮控制、门锁控制等基本功能外,近年来逐渐集成了自动雨刮、发动机防盗、胎压监测等功能,以满足人们不断增加的安全性、舒适性等方面的要求。随着BCM功能的不断增加及舒适性与安全性的提高,对传感器的精度及MCU的集成度、安全可靠要求也提出了很高的要求。
R7F7010323AFP#AA4 RENESAS
MLX81150LLW-DAA-000-SP MELEXIS
MLX81106KDC-CAA-000-SP MELEXIS
BGM113A256V2 SILICON LABS
BGM113A256V1 SILICON LABS
MLX81106KDC-CAA-000-RE MELEXIS
Features Microcontroller: MLX16x8 RISC CPU
MLX81150电机驱动芯片
o 16 bit RISC-CPU
o Co-processor for fast multiplication and division
o In-circuit debug and emulation Memories
o 32 kByte Flash with ECC
o 2 kByte RAM
o 384 Byte EEPROM with ECC for customer purpose Supported bus interface
o LIN-Interface with integrated LIN transceiver supporting LIN 2.x and SAE J2602, certified LIN protocol software provided by Melexis
o In-Module-Programming (Flash and EE) via pin LIN using a special Melexis fast protocol
o PWM-Interface
o Full duplex SPI, Master/Slave, double-buffered, speed programmable Voltage regulator
o Internal voltage regulator, direct powered from 12V battery supply
o Operating voltage VS = 5.5V to 18V, IC will work down to 3.9V
o Possibility to put an external bypass transistor for high temperature requirements
o Very low SLEEP MODE current < 30uA, Wake up by LIN traffic or local sources Periphery
o 4 programmable 16bit PWM modules for external transistor full bridge applications
o Timer unit 16 bit with 4 capture and 4 compare
o 25 MHz +/-5% internal RC-oscillator with PLL, optional crystal resonator
o Load dump and brown out interrupt function
o Digital watchdog for software flow tracking
o System-Clock-independent fully integrated watchdog
o On-chip temperature sensor with +/-10K accuracy
o 10 bit ADC with < 6 µs conversion time with multiple channels and different ADC references, DMA access to RAM
o 8 multiple purpose I/Os
o 2 integrated relay drivers with free wheel function
o 2 inputs for relay contact or shunt current monitoring
o Over current detection, shunt current sense
o 1 switch-able supply output for external Hall sensor connection Additional features
o Direct access to pin LIN possible
o Temperature range -40°C up to 150°C ambient, AEC-Q100 Grade 0 qualified
o 28V jump start and 45V load dump protected
o Monolithic solution: Single chip in single package realization
o Small QFN32 5x5 and TQFPeP48 7x7 package
责任编辑:Davia
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