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Controladores LED de iluminación

TPS61300

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Controlador de flash de cámara LED múltiple de 1.5 A/4.1 A con interfaz compatible con I2C™

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TPS61300

ACTIVO
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Detalles del producto

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 Load Disconnect During Shutdown 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 Load Disconnect During Shutdown 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)
  • Four Operational Modes
    • DC Light and Flashlight
    • Voltage Regulated Converter: 3.8 V to 5.7 V
    • Standby: 2 µA (Typical)
  • Storage Capacitor Friendly Solution
  • Automatic VF and ESR Calibration
  • Power-Save Mode for Improved Efficiency at Low
    Output Power, Up to 95% Efficiency
  • Output Voltage Remains Regulated When Input
    Voltage Exceeds Nominal Output Voltage
  • I2C Compatible Interface up to 3.4 Mbits/s
  • Zero Latency Tx-Masking Input
  • Hardware Voltage Mode Selection Input
    (TPS61300, TPS61301)
  • DC Light Mode Selection Input
    (TPS61300, TPS61306)
  • Hardware Reset Input (TPS61301, TPS61305)
  • LED Temperature Monitoring (TPS61305)
  • Privacy Indicator LED Output
  • Integrated LED Safety Timer
  • Total Solution Size of Less Than 25 mm2 (< 1 mm
    height)
  • Available in a 20-Pin NanoFree™ (DSBGA)
  • Four Operational Modes
    • DC Light and Flashlight
    • Voltage Regulated Converter: 3.8 V to 5.7 V
    • Standby: 2 µA (Typical)
  • Storage Capacitor Friendly Solution
  • Automatic VF and ESR Calibration
  • Power-Save Mode for Improved Efficiency at Low
    Output Power, Up to 95% Efficiency
  • Output Voltage Remains Regulated When Input
    Voltage Exceeds Nominal Output Voltage
  • I2C Compatible Interface up to 3.4 Mbits/s
  • Zero Latency Tx-Masking Input
  • Hardware Voltage Mode Selection Input
    (TPS61300, TPS61301)
  • DC Light Mode Selection Input
    (TPS61300, TPS61306)
  • Hardware Reset Input (TPS61301, TPS61305)
  • LED Temperature Monitoring (TPS61305)
  • Privacy Indicator LED Output
  • Integrated LED Safety Timer
  • Total Solution Size of Less Than 25 mm2 (< 1 mm
    height)
  • Available in a 20-Pin NanoFree™ (DSBGA)

The TPS6130xx device is based on a high-frequency synchronous boost topology with constant current sinks to drive up to three white LEDs in parallel (400-mA, 800-mA, and 400-mA maximum flash current). The extended high-current mode (HC_SEL) allows up to 1025-mA, 2050-mA, and 1025-mA flash current out of the storage capacitor.

The high-capacity storage capacitor on the output of the boost regulator provides the high-peak flash LED current, thereby reducing the peak current demand from the battery to a minimum.

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 400-mV LED feedback voltage.

The TPS6130xx device not only operates as a regulated current source, but also as a standard voltage boost regulator. The device keeps the output voltage regulated even when the input voltage exceeds the nominal output voltage. The device enters power-save mode operation at light load currents to maintain high efficiency over the entire load current range.

To simplify flashlight synchronization with the camera module, the device offers a trigger pin (FLASH_SYNC) for zero latency LED turnon time.

The TPS6130xx device is based on a high-frequency synchronous boost topology with constant current sinks to drive up to three white LEDs in parallel (400-mA, 800-mA, and 400-mA maximum flash current). The extended high-current mode (HC_SEL) allows up to 1025-mA, 2050-mA, and 1025-mA flash current out of the storage capacitor.

The high-capacity storage capacitor on the output of the boost regulator provides the high-peak flash LED current, thereby reducing the peak current demand from the battery to a minimum.

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 400-mV LED feedback voltage.

The TPS6130xx device not only operates as a regulated current source, but also as a standard voltage boost regulator. The device keeps the output voltage regulated even when the input voltage exceeds the nominal output voltage. The device enters power-save mode operation at light load currents to maintain high efficiency over the entire load current range.

To simplify flashlight synchronization with the camera module, the device offers a trigger pin (FLASH_SYNC) for zero latency LED turnon time.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TPS6130xx 1.5-A and 4.1-A Multiple LED Camera Flash Driver With I2C Compatible Interface datasheet (Rev. E) PDF | HTML 26/04/2016
Informe Common LED Functions and LED Driver Design Considerations 21/09/2020
Nota sobre la aplicación Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11/12/2018
Guía de selección Power Management Guide 2018 (Rev. R) 25/06/2018
Nota sobre la aplicación Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19/09/2011

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