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LP5524TMX-5/NOPB

LED Lighting Drivers 4 channel LED driver with dual PWM brightness control 9-DSBGA -40 to 85

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LP5524TMX-5/NOPB General Description

The LP5524 device is a highly integrated dual-zone LED driver that can drive up to four LEDs in parallel with a total output current of 100 mA. Regulated high-side internal current sources deliver excellent current and brightness matching in all LEDs.

The LP5524 provides overcurrent protection and pulse-width modulation (PWM) control of four indicator LEDs without the need for external components.

LED driver current sources are split into two independently controlled banks for driving secondary displays, keypad and indicator LEDs. Brightness control is achieved by applying PWM signals to each enable pin. Default LED current is factory-programmable and an optional external resistor can be used to set LED current to user programmable values.

The LP5524 is available in a tiny, 9-pin, thin DSBGA package.

For all available packages, see the orderable addendum at the end of the data sheet.

Texas Instruments, Inc Inventory

Key Features

  • Wide Input Voltage Range: 2.7 V to 5.5 V
  • High-Side LED Driver
  • Drives Four LEDs With up to 25 mA per LED
  • 0.4% Typical Current Matching
  • PWM Brightness Control
  • Overcurrent Protection
  • Fast Transient Response
  • Optional External ISET Resistor
  • Ultra-Small Solution Size:
    • No External Components
    • 9-Pin DSBGA Package with 0.4-mm pitch:
      • 1.24 mm × 1.24 mm × 0.6 mm (L × W × H, maximum)
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory

Specifications

Category Integrated Circuits (ICs)Power Management (PMIC)LED Drivers Mfr Texas Instruments
Series - Package Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status Active Type Linear
Topology - Internal Switch(s) Yes
Number of Outputs 4 Voltage - Supply (Min) 2.7V
Voltage - Supply (Max) 5.5V Voltage - Output -
Current - Output / Channel 25mA Frequency -
Dimming PWM Applications Backlight
Operating Temperature -40°C ~ 85°C (TA) Mounting Type Surface Mount
Package / Case 9-WFBGA, DSBGA Supplier Device Package 9-DSBGA
Base Product Number LP5524 Number of channels 4
LED current per channel (mA) 25 LED configuration Parallel
Program memory No Programmable ramp control No
Vin (min) (V) 2.7 Vin (max) (V) 5.5
Iout (max) (A) 0.1 Features GPIO interface
Iq (typ) (mA) 0.17 Shutdown current (ISD) (typ) (µA) 0.2
Operating temperature range (°C) -40 to 85 Rating Catalog
Pin Count 9 Package Category BGA
Released Date Sep 16, 2021

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If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.

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