Product details

Architecture DSP Input signal I2C Vs (min) (V) 3 Vs (max) (V) 3.6 Vout (max) (V) 3.6 Iq (typ) (mA) 7 Bandwidth (typ) (MHz) 5 Shutdown current (ISD) (µA) 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 Vout (max) (V) 3.6 Iq (typ) (mA) 7 Bandwidth (typ) (MHz) 5 Shutdown current (ISD) (µA) 1.2 Rating Catalog Operating temperature range (°C) -40 to 125
VQFN-HR (RQT) 32 22.5 mm² 5 x 4.5
  • Integrated Programmable Cleaning Modes
    • Water (expelling)
    • Deice (melting and expelling)
    • Mud (dehydrating and expelling)
    • Auto-cleaning (detecting mass and expelling)
    • Custom cleaning modes
  • Embedded algorithms
    • Lens system calibration
    • Automatic mass detection
    • Power regulation
    • System diagnostics
  • System diagnostics
    • Driver fault reporting
    • Lens system fault reporting
    • Transducer temperature regulation
  • Wide-drive frequency range
    • High-efficiency direct drive (10kHz - 5MHz)
    • AD modulation (<50kHz)
  • I2C user interface
  • Clock source required
    • External oscillator (10MHz, 5ppm recommended)
  • Power supplies
    • IOVDD: 3.3V
  • 32-pin, QFN-HR package
  • Integrated Programmable Cleaning Modes
    • Water (expelling)
    • Deice (melting and expelling)
    • Mud (dehydrating and expelling)
    • Auto-cleaning (detecting mass and expelling)
    • Custom cleaning modes
  • Embedded algorithms
    • Lens system calibration
    • Automatic mass detection
    • Power regulation
    • System diagnostics
  • System diagnostics
    • Driver fault reporting
    • Lens system fault reporting
    • Transducer temperature regulation
  • Wide-drive frequency range
    • High-efficiency direct drive (10kHz - 5MHz)
    • AD modulation (<50kHz)
  • I2C user interface
  • Clock source required
    • External oscillator (10MHz, 5ppm recommended)
  • Power supplies
    • IOVDD: 3.3V
  • 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 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 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. B) PDF | HTML 21 Mar 2024
Application note Design, Fabrication, and Assembly Guide of Lens Cover System: LCS-FL-RNG15 PDF | HTML 11 Jun 2024
EVM User's guide ULC1001-DRV2911 Evaluation Module User's Guide PDF | HTML 07 May 2024
EVM User's guide ULC1001-DRV290xEVM User's Guide (Rev. C) PDF | HTML 03 May 2024
User guide ULC-HPB-DEMO Quick Start Guide (Rev. A) PDF | HTML 13 Dec 2023
Certificate ULC1001-DRV2911EVM EU Declaration of Conformity (DoC) 29 Sep 2023
Certificate ULC1001-DRV-FL-EVM EU RoHS Declaration of Conformity (DoC) 05 Apr 2023
Technical article Ultrasonic lens cleaning: A solid-state technology you didn’t know you needed PDF | HTML 16 Dec 2022
Technical article What is ultrasonic lens cleaning technology? PDF | HTML 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 DRV2901 hardware evaluation bundles for ultrasonic lens cleaning (ULC)

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

User guide: PDF | HTML
Not available on TI.com
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
Not available on TI.com
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 (...)
User guide: PDF | HTML
Package Pins CAD symbols, footprints & 3D models
VQFN-HR (RQT) 32 Ultra Librarian

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