TPS61150
- 2.5-V to 6-V Input Voltage Range
- Two Outputs Each up to 27 V
- 0.7-A Integrated Switch
- Built-In Power Diode
- 1.2-MHz Fixed PWM Frequency
- Individually Programmable Output Current
- Input-to-Output Isolation
- Built-In Soft Start
- Overvoltage Protection
- Up to 83% Efficiency
- Up to 30-kHz PWM Dimming Frequency
The TPS6115x is a high-frequency boost converter with two regulated current outputs for driving WLEDs. Each current output can be individually programmed through external resistors. There is a dedicated selection pin for each output so the two outputs can be turned on separately or simultaneously. The output current can be reduced by a pulse width modulation (PWM) signal on SEL pins or an analog voltage on the ISET pins, resulting in PWM dimming of the WLEDs. The boost regulator runs at a 1.2-MHz fixed switching frequency to reduce output ripple and avoid audible noises associated with pulse frequency modulation (PFM) control.
The two current outputs are ideal for driving WLED backlights for the sub and main displays in clamshell phones. The two outputs can also be used for driving display and keypad backlights. When used together, the two outputs can drive up to 14 WLEDs for one large display.
In addition to the small inductor, small capacitor, and 3-mm × 3-mm VSON package, the built-in MOSFET and diode eliminate the need for any external power devices. Overall, the device provides an extremely compact solution with high efficiency and plenty of flexibility.
For all available packages, see the orderable addendum at the end of the data sheet.기술 문서
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS6115x Dual-Output Boost WLED Driver Using Single Inductor datasheet (Rev. E) | PDF | HTML | 2015/11/30 |
| 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 | Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) | 2017/11/29 | ||
| Application note | Extending the Soft Start Time Without a Soft Start Pin (Rev. B) | 2017/06/15 | ||
| Application note | Analog PWM Dimming in White-LED Drivers | 2016/12/21 | ||
| Analog Design Journal | IQ: What it is, what it isn’t, and how to use it | 2011/06/17 | ||
| EVM User's guide | TPS61150EVM-150 (Rev. A) | 2006/10/26 | ||
| Application note | Minimizing Ringing at the Switch Node of a Boost Converter | 2006/09/15 |
설계 및 개발
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TPS61150EVM-150 — TPS61150EVM 평가 모듈
The TPS61150EVM-150 is an evaluation tool for the TPS6115x family. This is a dual channel, single Inductor Boost Converter with two regulated current outputs for driving white LEDs. Each current output can be individually programmed through external resistors and is capable to drive 6 to 7 white (...)
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 |
|---|---|---|
| VSON (DRC) | 10 | 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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