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LP5524

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具有双通道 PWM 亮度控制功能的 4 通道 LED 驱动器

产品详情

Number of channels 4 LED current per channel (mA) 25 LED configuration Parallel Program memory No Topology Linear 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
Number of channels 4 LED current per channel (mA) 25 LED configuration Parallel Program memory No Topology Linear 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
DSBGA (YFQ) 9 1.96000000000000028000000000000001 mm² 1.4000000000000001 x 1.4000000000000001
  • 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)
  • 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)

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.

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.

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类型 标题 下载最新的英语版本 日期
* 数据表 LP5524 Four-Channel LED Driver With Dual-PWM Brightness Control 数据表 (Rev. C) PDF | HTML 2016年 11月 4日
白皮书 常见 LED 功能和 LED 驱动器设计注意事项 英语版 2020年 9月 21日
应用手册 How to Select a RGB LED Driver 2019年 8月 8日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日
用户指南 AN-1702 LP5524 Evaluation Kit (Rev. A) 2013年 4月 30日

设计和开发

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评估板

LP5524TM-5EV — 用于 LP5524 的评估板

LP5524 Evaluation Kit enables designers an easy way to evaluate the performance of the device. The evaluation board has jumpers for each enable pin for easy on/off type control. These inputs can also be fed with external PWM source. Jumpers on LED outputs allow easy LED current measuring. ISET pin (...)

用户指南: PDF
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DSBGA (YFQ) 9 查看选项

订购和质量

包含信息:
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息:
  • 制造厂地点
  • 封装厂地点

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