Product details

Number of channels (#) 9 LED current per channel (mA) 22.5 LED configuration Parallel Program memory Yes Programmable ramp control Yes Vin (Min) (V) 2.5 Vin (Max) (V) 5.5 Iout (Max) (A) 0.23 Features Analog/PWM mixed dimming, Constant current, Current control, Direct PWM dimming, I2C control, Power-save mode, Programmable lighting engines Iq (Typ) (mA) 0.002 Shutdown current (Typ) (uA) 0.2 Operating temperature range (C) -40 to 85 Rating Catalog
Number of channels (#) 9 LED current per channel (mA) 22.5 LED configuration Parallel Program memory Yes Programmable ramp control Yes Vin (Min) (V) 2.5 Vin (Max) (V) 5.5 Iout (Max) (A) 0.23 Features Analog/PWM mixed dimming, Constant current, Current control, Direct PWM dimming, I2C control, Power-save mode, Programmable lighting engines Iq (Typ) (mA) 0.002 Shutdown current (Typ) (uA) 0.2 Operating temperature range (C) -40 to 85 Rating Catalog
WQFN (RTW) 24 16 mm² 4 x 4
  • Supply Voltage Range: 2.5 V–5.5 V
  • Nine High-Accuracy Current Sinks
    • 25.5 mA Maximum per Channel
    • 8-Bit Individual Current Control
    • 12-Bit 20-kHz Internal Individual PWM Control Without Audio Noise
  • Three Programmable LED Engines
    • Independent Illumination Control Without Active Microcontroller Control
    • Synchronization Among Multiple Devices
    • Up to 256 Instructions in SRAM Memory for Storing Sequences of Lighting Patterns
    • LP5523- and LP55231-Device-Compatible Command Set
  • Flexible Dimming Control
    • I2C Dimming Control
    • PWM Direct-Input Dimming
    • PWM Input Frequency: 100-Hz to 20-kHz
  • Adaptive High-Efficiency Charge-Pump Control for Driving High-VF LEDs With Low Battery Voltage
  • Master Fader Control Allows Dimming of Multiple LEDs by Writing to Only One Register to Reduce the I2C Bus Traffic
  • 2-µA Low Standby Current and 10-µA in Automatic Power-Save Mode When LEDs Are Inactive
  • POR, UVLO, and TSD Protection
  • Supply Voltage Range: 2.5 V–5.5 V
  • Nine High-Accuracy Current Sinks
    • 25.5 mA Maximum per Channel
    • 8-Bit Individual Current Control
    • 12-Bit 20-kHz Internal Individual PWM Control Without Audio Noise
  • Three Programmable LED Engines
    • Independent Illumination Control Without Active Microcontroller Control
    • Synchronization Among Multiple Devices
    • Up to 256 Instructions in SRAM Memory for Storing Sequences of Lighting Patterns
    • LP5523- and LP55231-Device-Compatible Command Set
  • Flexible Dimming Control
    • I2C Dimming Control
    • PWM Direct-Input Dimming
    • PWM Input Frequency: 100-Hz to 20-kHz
  • Adaptive High-Efficiency Charge-Pump Control for Driving High-VF LEDs With Low Battery Voltage
  • Master Fader Control Allows Dimming of Multiple LEDs by Writing to Only One Register to Reduce the I2C Bus Traffic
  • 2-µA Low Standby Current and 10-µA in Automatic Power-Save Mode When LEDs Are Inactive
  • POR, UVLO, and TSD Protection

The LP5569 device is a programmable, easy-to-use 9-channel I2C LED driver designed to produce lighting effects for various applications. The LED driver is equipped with an internal SRAM memory for user-programmed sequences and three programmable LED engines, which allow operation without processor control. Autonomous operation reduces system power consumption when the processor is put in sleep mode.

A high-efficiency charge pump enables the driving of LEDs with high VF, even with 2.5-V input voltage. The LP5569 LED driver maintains good efficiency over a wide operational voltage range by autonomously selecting the best charge-pump gain based on LED forward voltage requirements.

The LP5569 device enters power-save mode when LEDs are not active, lowering idle-current consumption considerably. A flexible digital interface allows the connection of up to eight LP5569 devices with a unique I2C slave address for each device in the same system, which supports synchronization of the lighting effects among all devices.

The LP5569 device is a programmable, easy-to-use 9-channel I2C LED driver designed to produce lighting effects for various applications. The LED driver is equipped with an internal SRAM memory for user-programmed sequences and three programmable LED engines, which allow operation without processor control. Autonomous operation reduces system power consumption when the processor is put in sleep mode.

A high-efficiency charge pump enables the driving of LEDs with high VF, even with 2.5-V input voltage. The LP5569 LED driver maintains good efficiency over a wide operational voltage range by autonomously selecting the best charge-pump gain based on LED forward voltage requirements.

The LP5569 device enters power-save mode when LEDs are not active, lowering idle-current consumption considerably. A flexible digital interface allows the connection of up to eight LP5569 devices with a unique I2C slave address for each device in the same system, which supports synchronization of the lighting effects among all devices.

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LP55231 ACTIVE 9 channel RGB / White LED driver with internal program memory and integrated charge Pump - WQFN LP55231 is for common cathode LEDs while LP5569 is common anode LEDs

Technical documentation

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Type Title Date
* Data sheet LP5569 Nine-Channel I2C RGB LED Driver With Engine Control and Charge Pump datasheet (Rev. A) 10 Sep 2017
White paper Common LED Functions and LED Driver Design Considerations 21 Sep 2020
Application note How to Select a RGB LED Driver 08 Aug 2019
Technical article Adding imagination to your next-generation appliances 12 Nov 2018
Technical article Why you need a programmable lighting engine when designing LED driver circuit 29 May 2018
Application note LP5569 Lighting Pattern Design 08 May 2018
Technical article Improve the user experience with an LED ring 09 Nov 2017
EVM User's guide LP5569EVM User's Guide (Rev. A) 29 Aug 2017
Technical article Here's how body electronics and lighting technology are changing the driving experience 26 Sep 2016

Design & development

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

Evaluation board

BOOST-LP5569EVM — LP5569 Nine-Channel I2C RGB LED Driver With Engine Control and Charge Pump Evaluation Module

The Texas Instruments LP5569 evaluation module (EVM) helps designers evaluate the operation and performance of the LP5569 nine-LED driver. The LP5569 device is an RGB LED driver that can individually control up to 9 LEDs. The driver has 12-bit PWM and 8-bit current control of each low-side LED (...)
GUI for evaluation module (EVM)

LP5569EVM GUI

SNVC210.ZIP (33317 KB)
lock = Requires export approval (1 minute)
Simulation model

LP5569 Unencrypted PSpice Transient Model Package (Rev. C)

SNVMBB8C.ZIP (55 KB) - PSpice Model
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 (...)
Reference designs

TIDA-01559 — Capacitive Touch Based User Interface with Proximity Sensing and LED Animation Reference Design

The TIDA-01559 is a Human Machine Interface (HMI) reference design that uses the MSP430FR2522 MCU and LP5569 device, and can achieve extremely low standby power consumption and offload the resources of the MCU with LED engine control. This solution can be used anywhere a low-power consuming HMI (...)
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WQFN (RTW) 24 View options

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