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DESCRIPTION

The STPIC44L02 is a low-side predriver that provides serial and parallel input interfaces to control four external FET power switches.

It is mainly designed to provide low-frequency switching, inductive load applications such as solenoids and relays. Fault status is available in a serial-data format. Each driver channel has independent off-state open-load detection and on-state shorted load short to battery detection

■ 4-CHANNEL SERIAL-IN PARALLEL-IN LOW SIDE PRE-FET DRIVER

■ DEVICES ARE CASCADABLE

■ INTERNAL 55V INDUCTIVE LOAD CLAMP AND VGS PROTECTION CLAMP FOR EXTERNAL POWER FETS

■ INDEPENDENT SHORTED-LOAD AND SHORT-TO-BATTERY FAULT DETECTION ON ALL GATE TERMINALS

■ INDEPENDENT OFF-STATE OPEN-LOAD FAULT SENSE

■ OVER-BATTERY-VOLTAGE LOCKOUT PROTECTION AND FAULT REPORTING

■ UNDER-BATTERY VOLTAGE LOCKOUT PROTECTION

■ ASYNCRONOUS OPEN-GATE FAULT FLAG

■ DEVICE OUTPUT CAN BE WIRED OR WITH MULTIPLE DEVICES

■ FAULT STATUS RETURNED THROUGH SERIAL OUTPUT TERMINAL

■ INTERNAL GLOBAL POWER-ON RESET OF DEVICE AND EXTERNAL RESET TERMINAL

■ HIGH IMPEDANCE CMOS COMPATIBLE INPUTS WITH HYSTERESIS

■ TRANSITION FROM THE GATE OUTPUT TO A LOW DUTY CYCLE PWM MODE WHEN A SHORTED LOAD FAULT OCCURS