전력 관리 LED 드라이버 백라이트 LED 드라이버

TPS61161A

활성

2mm x 2mm WSON 패키지, 최대 10개의 LED를 직렬로 연결할 수 있으며 PWM 밝기 제어를 지원하는 흰색 LED 드라이버

이 제품의 최신 버전이 있습니다

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비교 대상 장치와 유사한 기능.
신규 TPS923611 활성 0.1% 비율의 PWM 제어 아날로그 조광을 지원하는 30V, 1.8A 동기식 부스트 LED 드라이버 Newer Device with market 1st synchronous boost topology

제품 상세 정보

Number of channels 1 Vin (min) (V) 2.7 Vin (max) (V) 18 Vout (min) (V) 2.7 Vout (max) (V) 38 Type Inductive Switching frequency (max) (kHz) 600 Duty cycle (max) (%) 93 LED current per channel (mA) 20 Peak efficiency (%) 90 Topology Boost Features EasyScale 1-Wire Interface, Load Disconnect During Shutdown Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 1 Vin (min) (V) 2.7 Vin (max) (V) 18 Vout (min) (V) 2.7 Vout (max) (V) 38 Type Inductive Switching frequency (max) (kHz) 600 Duty cycle (max) (%) 93 LED current per channel (mA) 20 Peak efficiency (%) 90 Topology Boost Features EasyScale 1-Wire Interface, Load Disconnect During Shutdown Operating temperature range (°C) -40 to 85 Rating Catalog
WSON (DRV) 6 4 mm² (2 mm × 2 mm)
  • Input Voltage Range: 2.7 V to 18 V
  • 26-V Open LED Protection for TPS61160A
    38-V Open LED Protection for TPS61161A
  • 200mV Reference Voltage With ±2% Accuracy
  • PWM Interface for Brightness Control
  • Built-in Soft Start
  • Up to 90% Efficiency
  • 2-mm × 2-mm × 0.8-mm 6-Pin WSON Package With Thermal Pad
  • Input Voltage Range: 2.7 V to 18 V
  • 26-V Open LED Protection for TPS61160A
    38-V Open LED Protection for TPS61161A
  • 200mV Reference Voltage With ±2% Accuracy
  • PWM Interface for Brightness Control
  • Built-in Soft Start
  • Up to 90% Efficiency
  • 2-mm × 2-mm × 0.8-mm 6-Pin WSON Package With Thermal Pad

With a 40-V rated integrated switch FET, the TPS61160A/61A is a boost converter that drives LEDs in series. The boost converter runs at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allows for the use of small external components.

The default white LED current is set with the external sensor resistor Rset, and the feedback voltage is regulated to 200 mV, as shown in the typical application. During the operation, the LED current can be controlled by a pulse width modulation (PWM) signal applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In PWM dimming mode, the TPS61160A/61A does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the TPS61160A/61A to prevent the output from exceeding the absolute maximum ratings during open LED conditions.

The TPS61160A/61A is available in a space-saving, 2-mm × 2-mm WSON package with thermal pad.

For all available packages, see the orderable addendum at the end of the data sheet.

With a 40-V rated integrated switch FET, the TPS61160A/61A is a boost converter that drives LEDs in series. The boost converter runs at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allows for the use of small external components.

The default white LED current is set with the external sensor resistor Rset, and the feedback voltage is regulated to 200 mV, as shown in the typical application. During the operation, the LED current can be controlled by a pulse width modulation (PWM) signal applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In PWM dimming mode, the TPS61160A/61A does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the TPS61160A/61A to prevent the output from exceeding the absolute maximum ratings during open LED conditions.

The TPS61160A/61A is available in a space-saving, 2-mm × 2-mm WSON package with thermal pad.

For all available packages, see the orderable addendum at the end of the data sheet.

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기술 자료

검색된 결과가 없습니다. 검색어를 지우고 다시 시도하세요.
5개 모두 보기
상위 문서 유형 직함 형식 옵션 최신 영어 버전 다운로드 날짜
* 데이터 시트 TPS6116xA White LED Driver with PWM Brightness Control in 2-mm x 2-mm WSON Package datasheet (Rev. C) PDF | HTML 2016. 7. 14
백서 Common LED Functions and LED Driver Design Considerations 2020. 9. 21
애플리케이션 노트 Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018. 12. 11
선택 가이드 Power Management Guide 2018 (Rev. R) 2018. 6. 25
추가 자료 Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies 2001. 2. 15

설계 및 개발

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패키지 CAD 기호, 풋프린트 및 3D 모델
WSON (DRV) 6 Ultra Librarian

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