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Glow Plug Current Controller


The DA29020 is a 5-channel driver for external high-side switches with integrated charge-pump. It is intended for PWM operation controlled by an external uC.

The SPI interface provides a variety of configuration options to optimize EMC performance.

The built in 10-Bit ADC allows for measurements of channel currents, various interface voltages and the die temperature.

The integrated programmable short-circuit protection, over- and under- voltage detection and overtemperature shut-down protect the chip and the load.

Operation in harsh environments including ground-shift, ground-loss, strong supply-transients, polarity reversal and a wiring-harness with significant inductance is supported.

A programmable high-voltage control-input and a high-voltage diagnosis-output provide connection to the environment.

Low-power sleep mode and different selectable wake-up mechanisms help to reduce the system-level power consumption.


Integrated reverse battery protection

AEC-Q100 qualification

10 Bit-ADC

Typ. 14 V supply, 30 V max.

Over / under voltage detection

Over temperature protection

Integrated gate driver with charge pump

LDO and SPI interface to external controller

Integrated gate driver with charge pump


Diagnosis interface

Glow plug current measurement with total accuracy 3.5 %

Integrated short circuit protection

Digital measurement of Tj


Adaptive glow plug control system for diesel engines

PTC heater control


TQFP-48 with exposed pad

Product Briefs and Summaries
Name Date Version
DA29020 Product Brief (250.72 KB)