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TLC69634-Q1

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Controlador LED automotriz de retroiluminación de atenuación local de 24 canales y 100 mA

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TLC69634-Q1

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Detalles del producto

Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) to
Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) to
WQFN (RSN) 32 16 mm² (4 mm × 4 mm)
  • AEC-Q100 qualified for automotive applications
    • Grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM classification level H1C
    • Device CDM classification level C4B
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • 24 integrated current sinks
    • Programmable 16-bit PWM / Hybrid dimming
    • Programmable 7-bit analog dot correction (DC)
    • Maximum output current / voltage: 100mA / 16V
  • Integrated 33MHz oscillator
    • 16-bit PWM output in 500Hz
    • >20KHz refresh rate with enhanced spectrum (ES) PWM
  • High speed communication
    • Serial peripheral interface (SPI)
    • Data rates up to 17Mbps
  • Power efficiency optimization
    • Adaptive headroom voltage control (AHVC)
    • Device power save mode (PSM)
  • EMI mitigation
    • Interface: programmable buffer driving capability
    • Current sinks: phase shifting / spread spectrum
  • Protection and Diagnostic
    • LED: open / short detection / health check
    • Current sink: adjacent-pin short / health check
    • Interface: CRC / command error / time-out error
    • Device: under voltage / ISET out of range / thermal shutdown
  • AEC-Q100 qualified for automotive applications
    • Grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM classification level H1C
    • Device CDM classification level C4B
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • 24 integrated current sinks
    • Programmable 16-bit PWM / Hybrid dimming
    • Programmable 7-bit analog dot correction (DC)
    • Maximum output current / voltage: 100mA / 16V
  • Integrated 33MHz oscillator
    • 16-bit PWM output in 500Hz
    • >20KHz refresh rate with enhanced spectrum (ES) PWM
  • High speed communication
    • Serial peripheral interface (SPI)
    • Data rates up to 17Mbps
  • Power efficiency optimization
    • Adaptive headroom voltage control (AHVC)
    • Device power save mode (PSM)
  • EMI mitigation
    • Interface: programmable buffer driving capability
    • Current sinks: phase shifting / spread spectrum
  • Protection and Diagnostic
    • LED: open / short detection / health check
    • Current sink: adjacent-pin short / health check
    • Interface: CRC / command error / time-out error
    • Device: under voltage / ISET out of range / thermal shutdown

The TLC69634-Q1 is a LED driver with 24 constant current sink channels which can provide up to 16-bit individual pixel-level LED PWM control. The additional 7-bit dot correction (DC) is also implemented to each channel to control peak current. Each device shares data stream by serial peripheral interface (SPI) which supports up to 511 devices connection. The interface is software compatible with LED drivers in the same group which can be applied to different application scenarios based on LED current and total LED number.

To optimize overall systematic power efficiency, the device is equipped with adaptive headroom voltage control (AHVC) scheme to optimize headroom voltage across each channel and device. Only the OUT23 pin from the last device of daisy chain is required to be programmed as FB pin to optimize LED supply voltage from DC/DC.

The TLC69634-Q1 is equipped diagnostics for LED, current sink, communication and device.

The TLC69634-Q1 is a LED driver with 24 constant current sink channels which can provide up to 16-bit individual pixel-level LED PWM control. The additional 7-bit dot correction (DC) is also implemented to each channel to control peak current. Each device shares data stream by serial peripheral interface (SPI) which supports up to 511 devices connection. The interface is software compatible with LED drivers in the same group which can be applied to different application scenarios based on LED current and total LED number.

To optimize overall systematic power efficiency, the device is equipped with adaptive headroom voltage control (AHVC) scheme to optimize headroom voltage across each channel and device. Only the OUT23 pin from the last device of daisy chain is required to be programmed as FB pin to optimize LED supply voltage from DC/DC.

The TLC69634-Q1 is equipped diagnostics for LED, current sink, communication and device.

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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 TLC69634-Q1 Automotive 100mA , 24-Channel LED Driver with Integrated Oscillator datasheet PDF | HTML 9/06/2026
Información sobre seguridad funcional TLC69624-Q1 and TLC69634-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 29/06/2026

Diseño y desarrollo

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Controlador o biblioteca

TLC6962X-TLC6963X-DESIGN — Design resources for TLC6962x/TLC6963x family

Design resources for TLC6962x/TLC6963x family
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