TPIC44H01

TPIC44H01 4-CHANNEL SERIAL AND PARALLEL HIGH-SIDE PRE-FET DRIVER D Serial or Parallel Control of Gate Outputs D Sleep State for Low Quiescent Current D Independent On-State Source Short-to-Ground (Shorted-Load) Detection/Protection D Independent On-State Over-Current Detection/Protection With Dynamic Fault Threshold D Independent Off-State Open-Load Detection D Supply Over-Voltage Lockout Protection D Asynchronous Open-Drain Fault Interrupt Terminal to Flag Fault Conditions. Output Can be OR’ed With Multiple Devices D Encoded Fault Status Reporting Through Serial Output Terminal (2-Bits Per Channel) D Programmable On-State Fault Deglitch Timers D High Impedance CMOS Compatible Inputs With Hysteresis D Fault Mode Selection: Outputs Latched Off or Switched at Low Duty Cycle D Device Can be Cascaded With Serial Interface CS SD0 SDI SCLK AR_ENBL GND IN1 IN2 IN3 IN4 VCC V(PK_A) V(PK_B) V(COMP1) V(COMP2) V(COMP3) SLIS088 – SEPTEMBER 1998 DA PACKAGE (TOP VIEW) 1 32 PGND 2 31 V(PWR) 3 30 CP1 4 29 CP2 5 28 V(CP) 6 27 GATE1 7 26 SRC1 8 25 GATE2 9 24 SRC2 10 23 GATE3 11 22 SRC3 12 21 GATE4 13 20 SRC4 14 19 FLT 15 18 RESET 16 17 V(COMP4) description The TPIC44H01 is a four channel high-side pre-FET driver which provides serial or parallel input interface to control four external NMOS power FETs. It is designed for use in low frequency switching applications for resistive or inductive loads, including solenoids and incandescent bulbs. Each channel has over-current, short-to-ground, an...