L9903

汽车桥控制器 MOTOR BRIDGE CONTROLLER

DESCRIPTION

Control circuit for power MOS bridge driver in auto motive applications with ISO 9141bus interface.

FEATURES

■ OPERATING SUPPLY VOLTAGE 8V TO 20V, OVERVOLTAGE MAX. 40V

■ OPERATING SUPPLY VOLTAGE 6V WITH IMPLEMENTED STEPUP CONVERTER

■ QUIESCENT CURRENT IN STANDBY MODE LESS THAN 50µA

■ ISO 9141 COMPATIBLE INTERFACE

■ CHARGE PUMP FOR DRIVING A POWER MOS AS REVERSE BATTERY PROTECTION

■ PWM OPERATION FREQUENCY UP TO 30KHZ

■ PROGRAMMABLE CROSS CONDUCTION PROTECTION TIME

■ OVERVOLTAGE, UNDERVOLTAGE, SHORT CIRCUIT AND THERMAL PROTECTION

■ REAL TIME DIAGNOSTIC