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Data Sheet
DRV2911-Q1 Full-Bridge PWM Input Piezo Driver for Ultrasonic
Lens Cleaning
1 Features
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C ≤ TA ≤ 125°C
- Wettable flank package
- 2-Channel half bridge driver
- PWM-inputs for each half bridge control
- Overcurrent protection
- Supports up to 200kHz PWM frequency
- 5V to 35V operating voltage (40V abs max)
- High output current capability: 8A Peak
- Low MOSFET on-state resistance
- 95mΩ (typ.) RDS(ON) (HS + LS) at TA = 25°C
- Low power sleep mode
- 2.5µA (max.) at VPVDD = 13.5V, TA = 25°C
- Supports 1.8V, 3.3V, and 5V logic inputs
- Built-in 3.3V, 30mA LDO regulator
- Integrated protection features
- Supply undervoltage lockout (UVLO)
- Charge pump undervoltage (CPUV)
- Overcurrent protection (OCP)
- Thermal warning and shutdown (OTW/OTSD)
- Fault condition indication pin (FAULTZ)
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