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Controladores para LED en automóviles

TPS61193

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Controlador de LED de alto rendimiento, 3 canales y EMI bajo

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TPS61193

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Detalles del producto

Number of channels 3 Topology Boost Rating Catalog Operating temperature range (°C) -40 to 85 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 6 Vout (max) (V) 45 Iout (max) (A) 0.3 Iq (typ) (mA) 5 Switching frequency (max) (kHz) 2200 Features Adjustable Switch Frequency, Global dimming, Integrated Switch
Number of channels 3 Topology Boost Rating Catalog Operating temperature range (°C) -40 to 85 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 6 Vout (max) (V) 45 Iout (max) (A) 0.3 Iq (typ) (mA) 5 Switching frequency (max) (kHz) 2200 Features Adjustable Switch Frequency, Global dimming, Integrated Switch
HTSSOP (PWP) 20 41.6 mm² (6.5 mm × 6.4 mm)
  • Input voltage operating range 4.5 V to 40 V
  • Three high-precision current sinks
    • Current matching 1% (typical)
    • LED String current up to 100 mA per channel
    • Outputs can be combined externally for higher current capability
  • High dimming ratio of 10 000:1 at 100 Hz
  • Integrated boost/SEPIC for LED string power
    • Output voltage up to 45 V
    • Switching frequency 300 kHz to 2.2 MHz
    • Switching synchronization input
    • Spread spectrum for lower EMI
  • Extensive fault detection features
    • Fault output
    • Input voltage OVP, UVLO, and OCP
    • Open and shorted LED fault detection
    • Thermal shutdown
  • Minimum number of external components

    space
  • Input voltage operating range 4.5 V to 40 V
  • Three high-precision current sinks
    • Current matching 1% (typical)
    • LED String current up to 100 mA per channel
    • Outputs can be combined externally for higher current capability
  • High dimming ratio of 10 000:1 at 100 Hz
  • Integrated boost/SEPIC for LED string power
    • Output voltage up to 45 V
    • Switching frequency 300 kHz to 2.2 MHz
    • Switching synchronization input
    • Spread spectrum for lower EMI
  • Extensive fault detection features
    • Fault output
    • Input voltage OVP, UVLO, and OCP
    • Open and shorted LED fault detection
    • Thermal shutdown
  • Minimum number of external components

    space

The TPS61193 is a high-efficiency, low-EMI, easy-to-use LED driver with flexibility to support a wide range of applications. It has three high-precision current sinks that can be combined for higher current capability.

The TPS61193 has an integrated DC-DC supporting both boost and SEPIC mode operation. The converter has adaptive output voltage control based on the LED current sink headroom voltages. This feature minimizes the power consumption by adjusting the voltage to lowest sufficient level in all conditions. For EMI control the DC-DC converter supports spread spectrum for switching frequency and an external synchronization with dedicated pin.

The TPS61193 has wide input voltage range from 4.5 V to 40 V for robust support of different types of applications. The TPS61193 integrates extensive fault detection features. The device supports PWM brightness dimming ratio of 10 000:1 for 100-Hz input PWM frequency.

The TPS61193 is a high-efficiency, low-EMI, easy-to-use LED driver with flexibility to support a wide range of applications. It has three high-precision current sinks that can be combined for higher current capability.

The TPS61193 has an integrated DC-DC supporting both boost and SEPIC mode operation. The converter has adaptive output voltage control based on the LED current sink headroom voltages. This feature minimizes the power consumption by adjusting the voltage to lowest sufficient level in all conditions. For EMI control the DC-DC converter supports spread spectrum for switching frequency and an external synchronization with dedicated pin.

The TPS61193 has wide input voltage range from 4.5 V to 40 V for robust support of different types of applications. The TPS61193 integrates extensive fault detection features. The device supports PWM brightness dimming ratio of 10 000:1 for 100-Hz input PWM frequency.
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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 TPS61193 High-Performance Three-Channel LED Driver datasheet (Rev. C) PDF | HTML 25/02/2021
Nota sobre la aplicación Some Guidelines and Tips for the LED Driver Application 14/08/2019

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS61193EVM — Módulo de evaluación TPS61193 de controlador de LED de 3 canales

The TPS61193EVM evaluation module (EVM) helps designers evaluate the operation and performance of this device.  The  TPS61193EVM uses the TPS61193 to drive up to 3 LED strings (up to 12 LEDs each, 36 LEDs together) for LCD backlighting with high efficiency.  Information about output (...)

Guía del usuario: PDF
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Modelo de simulación

TPS61193 Boost and SEPIC Unencrytped PSpice Transient Model Package (Rev. B)

SNVMAY8B.ZIP (161 KB) - Modelo PSpice
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TPS61193 TINA-TI Boost Startup Reference Design

SNVMB78.TSC (337 KB) - Diseño de referencia TINA-TI
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TPS61193 TINA-TI Boost Steady State Reference Design

SNVMB77.TSC (339 KB) - Diseño de referencia TINA-TI
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TPS61193 TINA-TI SEPIC Startup Reference Design

SNVMB81.TSC (305 KB) - Diseño de referencia TINA-TI
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TPS61193 TINA-TI SEPIC Steady State Reference Design

SNVMB80.TSC (279 KB) - Diseño de referencia TINA-TI
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Modelo de simulación

TPS61193 TINA-TI Transient Spice Model

SNVMB79.ZIP (55 KB) - Modelo TINA-TI Spice
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