LP5524
- 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.技术文档
| 顶层文档 | 类型 | 标题 | 格式选项 | 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 | 2016-11-4 | ||
| 白皮书 | 常见 LED 功能和 LED 驱动器设计注意事项 | 英语版 | 2020-9-21 | |||
| 应用手册 | How to Select a RGB LED Driver | 2019-8-8 | ||||
| 选择指南 | 电源管理指南 2018 | 2018-7-31 |
设计与开发
如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。
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 (...)
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| DSBGA (YFQ) | 9 | Ultra Librarian |
订购和质量
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