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Ultrasonic cleaning ICs

ULC1001

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Configurable DSP for ultrasonic lens cleaning with current and voltage sensing and PWM output

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Data sheet

ULC1001

ACTIVE
Data sheet Order now

Product details

Input signal I2C Vout (max) (V) 3.6 Vs (min) (V) 3 Shutdown current (ISD) (µA) 1.2 Architecture DSP Bandwidth (typ) (MHz) 5 Iq (typ) (mA) 7 Vs (max) (V) 3.6 Rating Catalog Operating temperature range (°C) -40 to 125
Input signal I2C Vout (max) (V) 3.6 Vs (min) (V) 3 Shutdown current (ISD) (µA) 1.2 Architecture DSP Bandwidth (typ) (MHz) 5 Iq (typ) (mA) 7 Vs (max) (V) 3.6 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 20 Mar 2024
Application note Simulation Guide of Lens Cover System: LCS-FL-RNG15 PDF | HTML 07 Jan 2026
Application note Characterization Guide of Lens Cover System: LCS-FL-RNG15 PDF | HTML 09 Dec 2025
Application note Design, Fabrication, and Assembly Guide of Lens Cover System: LCS-FL-RNG15 PDF | HTML 11 Jun 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
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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.
User guide: PDF | HTML
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Support software

ULC-DESIGN — Design resources for Ultrasonic Lens Cleaning

ULC1001 GUI and other design resources for Ultrasonic Lens Cleaning technology.
Supported products & hardware

Supported products & hardware

Products
Ultrasonic cleaning ICs
  • DRV2901 — Single-channel PWM-input piezo transducer driver for ultrasonic cleaning with wide supply voltage
  • DRV2911-Q1 — Automotive, single-channel PWM-input piezoelectric transducer driver for ultrasonic cleaning
  • ULC1001 — Configurable DSP for ultrasonic lens cleaning with current and voltage sensing and PWM output
  • ULC1001-Q1 — Automotive configurable DSP for ultrasonic lens cleaning with current and voltage sensing
Hardware development
Evaluation board
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Calculation tool

ULC1001-CALC — ULC1001 excel calculator tool

Excel calculator for configuring the IV sense resistors and Q format scaling for programming registers.
Supported products & hardware

Supported products & hardware

Products
Ultrasonic cleaning ICs
  • ULC1001 — Configurable DSP for ultrasonic lens cleaning with current and voltage sensing and PWM output
  • ULC1001-Q1 — Automotive configurable DSP for ultrasonic lens cleaning with current and voltage sensing
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Package Pins CAD symbols, footprints & 3D models
VQFN-HR (RQT) 32 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

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