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.기술 문서
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | LP5524 Four-Channel LED Driver With Dual-PWM Brightness Control datasheet (Rev. C) | PDF | HTML | 2016/11/04 |
| White paper | Common LED Functions and LED Driver Design Considerations | 2020/09/21 | ||
| Application note | How to Select a RGB LED Driver | 2019/08/08 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018/06/25 | ||
| User guide | AN-1702 LP5524 Evaluation Kit (Rev. A) | 2013/04/30 |
설계 및 개발
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LP5524TM-5EV — LP5524용 평가 보드
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 (...)
PSPICE-FOR-TI — TI 설계 및 시뮬레이션 툴용 PSpice®
TI 설계 및 시뮬레이션 환경용 PSpice는 기본 제공 라이브러리를 이용해 복잡한 혼합 신호 설계를 시뮬레이션할 수 있습니다. 레이아웃 및 제작에 (...)
| 패키지 | 핀 | 다운로드 |
|---|---|---|
| DSBGA (YFQ) | 9 | 옵션 보기 |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
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