16 channel LED driver expansion board based on LED1642GW for STM32 Nucleo

The X-NUCLEO-LED16A1 is an STM32 Nucleo expansion board designed to provide an application for the 16 channel LED driver LED1642GW. Multiple drivers can also be cascaded by coupling X-NUCLEO-LED16A1 expansion boards.

Depending upon the end application, RGB or single color LEDs can be connected to the board. Separate brightness control is possible for each channel.

It is compatible with the STM32 Nucleo board family and equipped the Arduino™ UNO R3 connector layout.

Key Features

  • 16 constant current output channels
  • Output current: from 3 mA to 40 mA
  • 20 V current generator rated voltage
  • Provision for cascading multiple expansion boards
  • Current adjustment:
    • 7-bit global current gain adjustment in two ranges
    • Current programmable through external resistor
    • 12/16-bit PWM grayscale brightness control
  • Selectable LED Bus voltage supply
    • USB
    • Vexternal
  • Error detection
    • Open LED
    • Shorted LED
  • Thermal shutdown
  • Compatible with STM32 Nucleo board
  • Equipped with Arduino™ UNO R3 connector
  • RoHS compliant




Technical Documentation

Product Specifications
Description Version Size
DB3044 DB3044: 16 channel LED driver expansion board based on LED1642GW for STM32 Nucleo 1.0 303 KB
User Manuals
Description Version Size
UM2141 UM2141: Getting started with X-NUCLEO-LED16A1 16-channel LED driver expansion board for STM32 Nucleo 1.0 1 MB

Presentations & Training Material

Description Version Size
X-NUCLEO-LED16A1 Quick start guide 1.0 1 MB

Hardware Resources

Board Manufacturing Specifications
Description Version Size
X-NUCLEO-LED16A1 gerber files 1.0 406 KB
Bill of Materials
Description Version Size
Schematic Pack
Description Version Size
X-NUCLEO-LED16A1 schematics 1.0 213 KB

Publications and Collaterals

Description Version Size
STM32 Open Development Environment Brochure 15.10 4 MB

Tools and Software

Embedded Software
MCUs Embedded Software
Evaluation Tools
Product Evaluation Tools

Sample & Buy

Part Number Marketing Status Board production status Unit Price (US$) * Quantity ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
X-NUCLEO-LED16A1 Active Stock available 18.38 1 NEC EAR99 ITALY MORE INFO Buy Direct Add to cart DISTRIBUTOR AVAILABILITY

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

Quality & Reliability

Part Number Marketing Status RoHS Compliance Grade Material Declaration**
X-NUCLEO-LED16A1 ActiveEcopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.