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DA29020

DA29020
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.
Features
- 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
- TQFP48 package with exposed pad
Benefits
- Diagnosis interface
- Glow plug current measurement with total accuracy 3.5 %
- Integrated short circuit protection
- Digital measurement of Tj
Applications
- Adaptive glow plug control system for diesel engines
- PTC heater control
Package
TQFP48
Resources
Product Briefs and Summaries
- DA29020 Product Brief (250.72 KB)
For added technical support or information on how to buy, contact us directly.