产品概述
The MC33887APVW is a monolithIC H bridge power IC with load current feedback in 20 pin HSOP package. This device is an ideal choice for closed loop DC motor control. It incorporates internal control logic, charge pump, gate drive and low RDS(ON) MOSFET output circuitry. TheMC33887APVW is able to control inductive loads with continuous DC load currents up to 5A and with peak current active limiting between 5.2A and 7.8A. The load current feedback feature provides proportional (1/375th of load current) constant current output suitable for monitoring by microcontroller A/D input. This feature facilitates the design of closed loop torque/speed control as well as open load detection. A fault status output pin reports undervoltage, short circuit and overtemperature conditions.
Operating voltage range from 5V to 28V
Limited operation with reduced performance up to 40V
Output on-resistance (RDS(ON)) of 120mohm
TTL/CMOS compatible inputs
PWM frequencies up to 10KHz
Active current limiting
Sleep mode with current drawn less than or equal to 50μA
Operating temperature range from -40°C to 125°C
Exhibit high impedance through two disable inputs
Polarity control through two independent inputs
应用
车用, 电机驱动与控制
产品信息
电机类型: 半桥 输出数: 2输出 输出电流: 5A 输出电压: - 驱动器封装类型: HSOP 针脚数: 20引脚 电源电压最小值: 5V 电源电压最大值: 28V 工作温度最小值: -40°C 工作温度最高值: 125°C 产品范围: - 汽车质量标准: - MSL: MSL 3 - 168小时
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