TPS61500
- 2.9-V to 18-V Input Voltage Range
- 3-A, 40-V Internal Power Switch
- Four 3-W LEDs From 5-V Input
- Eight 3-W LEDs From 12-V Input
- High-Efficiency Power Conversion: Up to 93%
- Frequency Set by External Resistor: 200 kHz to 2.2 MHz
- User-Defined Soft Start Into Full Load
- Programmable Overvoltage Protection
- Analog and Pure PWM Brightness Dimming
- 14-Pin HTSSOP Package With PowerPAD™
The TPS61500 is a monolithic switching regulator with integrated 3-A, 40-V power switch. It is an ideal driver for high brightness 1-W or 3-W LED. The device has a wide input voltage range to support application with input voltage from multi-cell batteries or regulated 5-V or 12-V power rails.
The LED current is set with an external sensor resistor R3, and the feedback voltage that is regulated to 200 mV by current mode PWM (pulse width modulation) control loop, as shown in Typical Application Circuit. The device supports analog and pure PWM dimming methods for LED brightness control. Connecting a capacitor to the DIMC pin configures the device to be used for analog dimming, and the LED current varies proportional to the duty cycle of an external PWM signal. Floating the DIMC pin configures the device for pure PWM dimming with the average LED current being the PWM signal’s duty cycle times a set LED current.
The device features a programmable soft-start function to limit inrush current during start-up, and it has other built-in protection features, such as pulse-by-pulse overcurrent limit, overvoltage protection, and thermal shutdown. The TPS61500 is available in 14-pin HTSSOP package with PowerPAD.
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS61500 High-Brightness, LED Driver With Integrated 3-A, 40-V Power Switch datasheet (Rev. F) | PDF | HTML | 2019/05/30 |
| White paper | Common LED Functions and LED Driver Design Considerations | 2020/09/21 | ||
| Application note | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 2018/12/11 | ||
| Application note | TPS61500 SEPIC Configuration | 2018/04/05 | ||
| Application note | Extending the Soft Start Time Without a Soft Start Pin (Rev. B) | 2017/06/15 | ||
| Analog Design Journal | Design considerations for a resistive feedback divider in a DC/DC converter | 2012/04/26 | ||
| Application note | Analog Dimming With the TPS61500 Using an Analog Input Signal | 2009/04/30 | ||
| EVM User's guide | TPS61500EVM-369 User's Guide | 2008/07/31 | ||
| More literature | Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies | 2001/02/15 |
설계 및 개발
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TPS61500EVM-369 — TPS61500EVM-369 평가 모듈
The TPS61500EVM-369 facilitates evaluation of the TPS61500 High Brightness LED Driver IC.
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 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HTSSOP (PWP) | 14 | Ultra Librarian |
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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