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1 Features

1? 600-mA Rated Drain Current (Per Channel)

? CMOS Pin-to-Pin Improvement of 7-channel

Darlington Array (e.g. ULN2003A)

? Power Efficient (Very low VOL)

– Less Than 4 Times Lower VOL at 100 mA Than

Darlington Array

? Very Low Output Leakage < 10 nA Per Channel

? Extended Ambient Temperature Range:

TA = –40°C to 125°C

? High-Voltage Outputs 40 V

? Compatible with 1.8-V to 5.0-V Micro-controllers

and Logic Interface

? Internal Free-wheeling Diodes for Inductive Kickback

Protection

? Input Pull-down Resistors Allows Tri-stating the

Input Driver

? Input RC-Snubber to Eliminate Spurious

Operation in Noisy Environment

? Inductive Load Driver Applications

? ESD Protection Exceeds JESD 22

– 2-kV HBM, 500-V CDM

? Available in 16-pin SOIC and TSSOP Packages

2 Applications

? Inductive Loads

– Relays

– Unipolar Stepper & Brushed DC Motors

– Solenoids & Valves

? LEDs

? Logic Level Shifting

? Gate & IGBT Drive

3 Description

The TPL7407L is a high-voltage, high-current NMOS

transistor array. This device consists of seven NMOS

transistors that feature high-voltage outputs with

common-cathode clamp diodes for switching

inductive loads. The maximum drain-current rating of

a single NMOS channel is 600 mA. New regulation

and drive circuitry added to give maximum drive

strength across all GPIO ranges (1.8 V – 5.0 V).The

transistors can be paralleled for higher current

capability.

The TPL7407L's key benefit is its improved power

efficiency and lower leakage than a Bipolar Darlington

Implementation. With the lower VOL the user is

dissipating less than half the power than traditional

relay drivers with currents less than 250 mA per

channel.