TPIC46L02DBR ,6-Channel Serial/Parallel Low-Side Pre-FET Driver
TPIC46L02DBR ,6-Channel Serial/Parallel Low-Side Pre-FET Driver
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TPIC46L02-TPIC46L02DB-TPIC46L02DBR
6-Channel Serial/Parallel Low-Side Pre-FET Driver
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SLIS055B − NOVEMBER 1996 − REVISED AUGUST 2001
6-Channel Serial-In/Parallel-In Low-side
Pre-FET Driver Device Can Be Cascaded Internal 55-V Inductive Load Clamp and
VGS Protection Clamp for External Power
FETs Independent Shorted-Load/Short-to-Battery
Fault Detection on All Drain Terminals Independent Off-State Open-Load Fault
Sense Over-Battery-Voltage Lockout Protection
and Fault Reporting Under-Battery Voltage Lockout Protection
for TPIC46L01 and TPIC46L02 Asynchronous Open-Drain Fault Flag Device Output Can Be Wire-ORed With
Multiple External Devices Fault Status Returned Through Serial
Output Terminal Internal Global Power-On Reset of Device High-Impedance CMOS Compatible Inputs
With Hysteresis TPIC46L01 and TPIC46L03 Disables the
Gate Output When a Shorted-Load Fault
Occurs TPIC46L02 Transitions the Gate Output to a
Low-Duty Cycle PWM Mode When a
Shorted-Load Fault Occurs
descriptionThe TPIC46L01, TPIC46L02, and TPIC46L03 are low-side predrivers that provide serial input interface and
parallel input interface to control six external field-effect transistor(FET) power switches such as offered in the
Texas Instruments 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-load detection and on-state
shorted-load/short-to-battery detection. Battery overvoltage and undervoltage detection and shutdown are
provided. Battery and output load faults provide real-time fault reporting to the controller. Each channel also
provides inductive-voltage-transient protection for the external FET.
These devices provide control of output channels through a serial input interface or a parallel input interface.
A command to enable the output from either interface enables the respective channel GATE output to the
external FET . The serial input interface is recommended when the number of signals between the control device
and the predriver must be minimized, and the speed of operation is not critical. In applications where the
predriver must respond very quickly or asynchronously, the parallel input interface is recommended.
FLT
VCOMPEN
VCOMP
IN0
IN1
IN2
IN3
IN4
IN5
SDO
SDI
SCLK
VCC
VBAT
GATE0
DRAIN0
GATE1
DRAIN1
DRAIN2
GATE2
GATE3
DRAIN3
DRAIN4
GATE4
DRAIN5
GATE5
GND
DB PACKAGE
(TOP VIEW)TPIC46L03: Not Recommended For New Designs
