Freescale MC33816汽车引擎智能控制方案
Freescale公司的MC33816是用于汽车引擎控制的12路栅极驱动器,包括5个外接MOSFET高边预驱动器和七个外接MOSFET低边驱动器,电池电压5.5 V < VBATT < 32 V, 预驱动器工作电压高达72V,通过四个独立的微核,两个代码RAM和两个数据RAM来进行栅极驱动,诊断和保护,具有各种控制和最佳等待时间,主要用在汽车,马达控制,电子泵,引擎控制,传送和齿轮箱等.本文介绍了MC33816主要特性, 简化应用框图和应用电路, 直喷预驱动器评估板框图以及评估板KIT33816AEEVM主要特性和建立框图,电路图,材料清单PCB元件布局图.
The MC33816 is a 12 channel gate driver IC for automotive engine control applications. The IC consist of five external MOSFET high side pre-drivers and seven external MOSFET low side pre-drivers. The 33816 provides a flexible solution for MOSFET’s gate drive with a versatile control and optimized latency time. Gate drive, diagnosis, and protection are managed through four independent microcores, and two Code RAM and two Data RAM banks.
The IC contains two internal voltage regulators with over-voltage and under-voltage monitoring and protection. There are four current sense modules and VDS monitoring for fault detection and annunciation via a serial peripheral interface (SPI).
The device includes both individual charge pump outputs for each high side pre-drivers and a high-voltage DC-DC converter low side pre-driver.
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