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LP55231SQE/NOPB +BOM

The LP55231SQE/NOPB is a versatile and innovative LED display driver, perfect for your lighting needs

LP55231SQE/NOPB General Description

The LP55231SQE/NOPB is a versatile LED driver from Texas Instruments that offers programmable features and a high switching frequency of 1.25MHz. With a device topology of charge pump, this driver can efficiently convert input voltages ranging from 2.7V to 5.5V into output voltages up to 5.5V. It can deliver a maximum output current of 25.5mA across its 9 output channels, making it suitable for driving multiple LEDs in various lighting applications. Additionally, this IC is RoHS compliant, ensuring environmentally-friendly manufacturing practices

Key Features

  • The LP55231SQE/NOPB is a versatile LED driver offering three independent channels, each with its own 256-step PWM control
  • It supports I2C communication, enabling precise brightness and color control
  • With built-in programmable patterns and an integrated boost converter, it efficiently drives LEDs in various applications, such as backlighting and indicator lighting
  • Application

    • LED controller for wearables
    • Efficient IoT lighting solution
    • Compact RGB LED management

    Specifications

    Number of channels 9 LED current per channel (mA) 25.5
    LED configuration Parallel Program memory Yes
    Topology Charge pump Programmable ramp control Yes
    Vin (min) (V) 2.7 Vin (max) (V) 5.5
    Iout (max) (A) 0.0255 Features Analog/PWM mixed dimming, Constant current, Current control, I2C control, Power-save mode, Programmable lighting engines
    Iq (typ) (mA) 0.8 Shutdown current (ISD) (typ) (µA) 0.2
    Operating temperature range (°C) -30 to 85 Rating Catalog

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