TPIC44L01

TPIC44L01, TPIC44L02, TPIC44L03 4ĆCHANNEL SERIAL AND PARALLEL LOWĆSIDE PREĆFET DRIVER D 4-Channel Serial-In Parallel-In Low-Side Pre-FET Driver D Devices Are Cascadable D Internal 55-V Inductive Load Clamp and VGS Protection Clamp for External Power FETs D Independent Shorted-Load/Short-to- Battery Fault Detection on All Drain Terminals D Independent OFF-State Open-Load Fault Sense D Over-Battery-Voltage Lockout Protection and Fault Reporting D Under-Battery Voltage Lockout Protection for the TPIC44L01 and TPIC44L02 SLIS062B – NOVEMBER 1996 – REVISED AUGUST 2001 D Asynchronous Open-Drain Fault Flag D Device Output Can Be Wire-ORed With Multiple Devices D Fault Status Returned Through Serial Output Terminal D Internal Global Power-On Reset of Device and External RESET Terminal D High-Impedance CMOS-Compatible Inputs With Hysteresis D TPIC44L01 and TPIC44L03 Disables the Gate Output When a Shorted-Load Fault Occurs D TPIC44L02 Transitions the Gate Output to a Low-Duty Cycle PWM Mode When a Shorted-Load Fault Occurs description The TPIC44L01, TPIC44L02, and TPIC44L03 are low-side predrivers that provide serial and parallel input interfaces to control four external FET power switches such as offered in the TI TPIC family of power arrays. These devices are designed primarily for low-frequency switching, inductive load applications such as solenoids and relays. Fault status for each channel is available in a serial-data format. Each driver channel has independent off-state open-...