홈 전력 관리 LED 드라이버 조명 LED 드라이버
홈
전력 관리
LED 드라이버
조명 LED 드라이버

TPS61310

활성

I2C 호환 인터페이스를 지원하는 1.5A 다중 LED 카메라 플래시 드라이버

지금 주문하기
데이터 시트

TPS61310

활성
데이터 시트 지금 주문하기

제품 상세 정보

Input voltage type DC/DC Topology Boost, current mode Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (max) (V) 5.5 Vout (min) (V) 2.5 Iout (max) (A) 1.5 Iq (typ) (mA) 0.59 Features I2C control Operating temperature range (°C) -40 to 85 Dimming method Analog, PWM Number of channels 3 Rating Catalog
Input voltage type DC/DC Topology Boost, current mode Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (max) (V) 5.5 Vout (min) (V) 2.5 Iout (max) (A) 1.5 Iq (typ) (mA) 0.59 Features I2C control Operating temperature range (°C) -40 to 85 Dimming method Analog, PWM Number of channels 3 Rating Catalog
DSBGA (YFF) 20 3.96 mm² (— mm × — mm)
  • Operational Modes:
    • Video Light and Flash Strobe
    • Voltage Regulated Converter: 3.8 V to 5.7 V With Down Mode
    • Standby: 2 µA (Typical)
  • LED VF Measurement
  • Power-Save Mode for Improved Efficiency at Low Output Power, Up to 95% Efficiency
  • I2C Compatible Interface up to 3.4 Mbps
  • Dual Wire Camera Module Interface
  • Zero Latency Tx-Masking Input
  • Hardware Reset Input
  • Privacy Indicator LED Output
  • GPIO and Power Good Output
  • Various Safe Operation and Robust Handling Features:
    • LED Temperature Monitoring
    • Open and Shorted LED Detection and Protection
    • Integrated LED Safety Timer
    • Automatic Battery Voltage Droop Monitoring and Protection
    • Smooth LED Current Ramp-Up and Ramp-Down
    • Undervoltage Lockout
  • Total Solution Size of Less Than 25 mm2
  • Available in a 20-Pin NanoFree™ DSBGA Package
  • Operational Modes:
    • Video Light and Flash Strobe
    • Voltage Regulated Converter: 3.8 V to 5.7 V With Down Mode
    • Standby: 2 µA (Typical)
  • LED VF Measurement
  • Power-Save Mode for Improved Efficiency at Low Output Power, Up to 95% Efficiency
  • I2C Compatible Interface up to 3.4 Mbps
  • Dual Wire Camera Module Interface
  • Zero Latency Tx-Masking Input
  • Hardware Reset Input
  • Privacy Indicator LED Output
  • GPIO and Power Good Output
  • Various Safe Operation and Robust Handling Features:
    • LED Temperature Monitoring
    • Open and Shorted LED Detection and Protection
    • Integrated LED Safety Timer
    • Automatic Battery Voltage Droop Monitoring and Protection
    • Smooth LED Current Ramp-Up and Ramp-Down
    • Undervoltage Lockout
  • Total Solution Size of Less Than 25 mm2
  • Available in a 20-Pin NanoFree™ DSBGA Package

The TPS6131x family is an integrated solution with a wide feature set for driving up to three LEDs for still-camera flash strobe and video-camera lighting applications. It is based on a high efficiency synchronous boost topology with combinable current sinks to drive up to three white LEDs in parallel. The 2-MHz switching frequency allows the use of small and low-profile 2.2-µH inductors. To optimize overall efficiency, the device operates with a low LED-feedback voltage and regulated output-voltage adaptation.

The device integrates a control scheme that automatically optimizes the LED current flash budget as a function of the battery voltage condition.

The TPS6131x not only operates as a regulated current source, but also as a standard voltage boost regulator. The device enters power-save mode operation at light load currents to maintain high efficiency over the entire load current range. These operating modes can be useful to supply other high power devices in the system (for example, a hands-free audio PA).

To simplify video light and flash synchronization with the camera module, the device offers a dedicated control interface (STRB0, STRB1) for zero latency LED turnon time.

The TPS6131x family is an integrated solution with a wide feature set for driving up to three LEDs for still-camera flash strobe and video-camera lighting applications. It is based on a high efficiency synchronous boost topology with combinable current sinks to drive up to three white LEDs in parallel. The 2-MHz switching frequency allows the use of small and low-profile 2.2-µH inductors. To optimize overall efficiency, the device operates with a low LED-feedback voltage and regulated output-voltage adaptation.

The device integrates a control scheme that automatically optimizes the LED current flash budget as a function of the battery voltage condition.

The TPS6131x not only operates as a regulated current source, but also as a standard voltage boost regulator. The device enters power-save mode operation at light load currents to maintain high efficiency over the entire load current range. These operating modes can be useful to supply other high power devices in the system (for example, a hands-free audio PA).

To simplify video light and flash synchronization with the camera module, the device offers a dedicated control interface (STRB0, STRB1) for zero latency LED turnon time.
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기술 자료

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5개 모두 보기
상위 문서 유형 직함 형식 옵션 최신 영어 버전 다운로드 날짜
* 데이터 시트 TPS6131x 1.5-A Multiple LED Camera Flash and Video Light Driver With I2C Compatible Interface datasheet (Rev. D) PDF | HTML 2016. 9. 7
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
애플리케이션 노트 Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 2011. 9. 19

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