Home Audio, haptics & piezo Haptics & piezo drivers Ultrasonic cleaning ICs
Home
Audio, haptics & piezo
Haptics & piezo drivers
Ultrasonic cleaning ICs

DRV2911-Q1

ACTIVE

Automotive, single-channel PWM-input piezoelectric transducer driver for ultrasonic cleaning

Order now
Data sheet

DRV2911-Q1

ACTIVE
Data sheet Order now

Product details

Input signal PWM Vout (max) (V) 40 Vs (min) (V) 5 Shutdown current (ISD) (µA) 1.5 Architecture Class-D, Fully Differential, Single-ended Bandwidth (typ) (MHz) 0.0002 Iq (typ) (mA) 7 Vs (max) (V) 3.6, 40 Rating Automotive Operating temperature range (°C) -40 to 125
Input signal PWM Vout (max) (V) 40 Vs (min) (V) 5 Shutdown current (ISD) (µA) 1.5 Architecture Class-D, Fully Differential, Single-ended Bandwidth (typ) (MHz) 0.0002 Iq (typ) (mA) 7 Vs (max) (V) 3.6, 40 Rating Automotive Operating temperature range (°C) -40 to 125
VQFN (RGF) 40 35 mm² (7 mm × 5 mm)
  • 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)
  • 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)

DRV2911-Q1 integrates two H-bridges for driving piezo-based Lens Cover Systems, LCS, up to 40V absolute maximum capability while maintaining a very low RDS(ON) to reduce switching losses. DRV2911-Q1 integrates a power management LDO (3.3V / 30mA) and buck converter (5V to 5.7V, ≤200mA) that can be used to power external circuits like the Ultrasonic Lens Cleaning (ULC) controller, ULC1001.

Each output driver channel consists of N-channel power MOSFETs configured in a half-bridge configuration. Two independent PWM inputs drive each half-bridge. The DRV2911-Q1 includes a 30mA, 3.3V LDO regulator.

Several protection features including supply undervoltage lockout (UVLO), charge pump undervoltage (CPUV), overcurrent protection (OCP), over-temperature warning (OTW), and over-temperature shutdown (OTSD) are integrated into DRV2911-Q1 to protect the device and system against fault events. Fault conditions are indicated by the FAULTZ pin. The fault pin can also be tied to the controller device, like ULC1001-Q1, where a fault can be recognized over I2C.

DRV2911-Q1 integrates two H-bridges for driving piezo-based Lens Cover Systems, LCS, up to 40V absolute maximum capability while maintaining a very low RDS(ON) to reduce switching losses. DRV2911-Q1 integrates a power management LDO (3.3V / 30mA) and buck converter (5V to 5.7V, ≤200mA) that can be used to power external circuits like the Ultrasonic Lens Cleaning (ULC) controller, ULC1001.

Each output driver channel consists of N-channel power MOSFETs configured in a half-bridge configuration. Two independent PWM inputs drive each half-bridge. The DRV2911-Q1 includes a 30mA, 3.3V LDO regulator.

Several protection features including supply undervoltage lockout (UVLO), charge pump undervoltage (CPUV), overcurrent protection (OCP), over-temperature warning (OTW), and over-temperature shutdown (OTSD) are integrated into DRV2911-Q1 to protect the device and system against fault events. Fault conditions are indicated by the FAULTZ pin. The fault pin can also be tied to the controller device, like ULC1001-Q1, where a fault can be recognized over I2C.
filter Find other Ultrasonic cleaning ICs
Download View video with transcript Video

Technical documentation

No results found. Please clear your search and try again.
View all 1
Top documentation Type Title Format options Date
* Data sheet DRV2911-Q1 Full-Bridge PWM Input Piezo Driver for Ultrasonic Lens Cleaning datasheet (Rev. A) PDF | HTML Jul 16, 2025

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

ULC1001-DRV2911EVM — ULC1001 and DRV2911 evaluation module

The ULC1001-DRV2911EVM is an ultrasonic lens cleaning (ULC) evaluation module (EVM) showcasing the automotive grade two-chip solution of the ULC1001 DSP controller and the DRV2911 piezo driver. The pair work together to provide self-cleaning functionality with features like temperature detection, (...)

User guide: PDF | HTML
Supported products & hardware
Evaluation board

ULC-HPB-DEMO — 2-MP camera with integrated ultrasonic lens cleaning and mini spray bottle

The ULC-HPB-DEMO is a collaboration between Texas Instruments and HPB Optoelectronics to create an all-in-one evaluation system for ultrasonic lens cleaning (ULC). The construction of the demonstration kit is completed by HPB Optoelectronics. Also known as the Executive Demo, this demo is simple (...)
From: H.P.B. Optoelectronics Co., LTD.
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
VQFN (RGF) 40 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos