Product details

Architecture DSP Input signal I2C Vs (Min) (V) 3 Vs (Max) (V) 3.6 Output voltage (Max) (V) 0.45 Iq (Typ) (mA) 7 Bandwidth (Typ) (MHz) 5 Shutdown current (ISD) (uA) 1.2 Rating Catalog Operating temperature range (C) -40 to 125
Architecture DSP Input signal I2C Vs (Min) (V) 3 Vs (Max) (V) 3.6 Output voltage (Max) (V) 0.45 Iq (Typ) (mA) 7 Bandwidth (Typ) (MHz) 5 Shutdown current (ISD) (uA) 1.2 Rating Catalog Operating temperature range (C) -40 to 125
VQFN-HR (RQT) 32 23 mm² 5 x 4.5
  • Integrated Programmable Cleaning Modes
    • Water (expelling)
    • Deice (melting and expelling)
    • Mud (dehydrating and expelling)
    • Auto-Cleaning (detecting and expelling)
    • Custom Cleaning Modes
  • Embedded Algorithms
    • Lens System Calibration
    • Automatic Material Detection
    • Power Regulation
    • System Diagnostics
  • System Diagnostics
    • DRV290x Fault Reporting
    • Lens System Fault
    • Transducer Temperature Regulation
  • Wide Drive Frequency Range
    • High-Efficiency Direct Drive (25 kHz - 5 MHz)
    • AD Modulation (<50 kHz)
  • I2C User Interface
  • Clock Source Required
    • External Oscillator (10 MHz, 5 ppm recommended)
  • Power Supplies
    • IOVDD: 3.3 V
  • 32-pin, QFN-HR Package
  • Integrated Programmable Cleaning Modes
    • Water (expelling)
    • Deice (melting and expelling)
    • Mud (dehydrating and expelling)
    • Auto-Cleaning (detecting and expelling)
    • Custom Cleaning Modes
  • Embedded Algorithms
    • Lens System Calibration
    • Automatic Material Detection
    • Power Regulation
    • System Diagnostics
  • System Diagnostics
    • DRV290x Fault Reporting
    • Lens System Fault
    • Transducer Temperature Regulation
  • Wide Drive Frequency Range
    • High-Efficiency Direct Drive (25 kHz - 5 MHz)
    • AD Modulation (<50 kHz)
  • I2C User Interface
  • Clock Source Required
    • External Oscillator (10 MHz, 5 ppm recommended)
  • Power Supplies
    • IOVDD: 3.3 V
  • 32-pin, QFN-HR Package

The ULC1001 is a configurable PWM modulator with current and voltage sensing capabilities specifically for piezo based lens cleaning systems.

An on-chip, low-latency DSP supports Texas Instruments’ proprietary algorithms designed for lens cleaning. The ULC1001 and DRV29xx work together to create an Ultrasonic Lens Cleaning system.

The ULC1001 device is available in a 32-pin QFN-HR package for a compact PCB footprint.

The ULC1001 is a configurable PWM modulator with current and voltage sensing capabilities specifically for piezo based lens cleaning systems.

An on-chip, low-latency DSP supports Texas Instruments’ proprietary algorithms designed for lens cleaning. The ULC1001 and DRV29xx work together to create an Ultrasonic Lens Cleaning system.

The ULC1001 device is available in a 32-pin QFN-HR package for a compact PCB footprint.

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Technical documentation

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Type Title Date
* Data sheet ULC1001 Configurable Ultrasonic PWM Modulator With I/V Sense Amplifiers datasheet (Rev. A) PDF | HTML 23 Jul 2021
Technical article Ultrasonic lens cleaning: A solid-state technology you didn’t know you needed 16 Dec 2022
Technical article What is ultrasonic lens cleaning technology? 05 May 2022

Design & development

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

Evaluation board

ULC1001-DRV290XEVM — ULC1001 and DRV290x evaluation module for ultrasonic lens cleaning (ULC)

The ULC1001-DRV290XEVM is an ultrasonic lens cleaning (ULC) evaluation module (EVM) showcasing a two-chip solution of the ULC1001 configurable DSP controller and the DRV2901 piezo driver. The pair work together to provide self-cleaning functionality with features like temperature detection, lens (...)

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VQFN-HR (RQT) 32 View options

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