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Controladores para LED en automóviles

TPS92613-Q1

ACTIVO

Controlador LED monocanal con detección corta y abierta con salida de 600 mA para automoción

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TPS92613-Q1

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Detalles del producto

Number of channels 1 Topology Current Source Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.6 Iq (typ) (mA) 0.2 Features Enable/Shutdown, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, Thermal shutdown
Number of channels 1 Topology Current Source Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.6 Iq (typ) (mA) 0.2 Features Enable/Shutdown, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, Thermal shutdown
TO-263 (NDR) 7 142.3416 mm² (10.16 mm × 14.01 mm)
  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Wide input voltage range: 4.5 V to 40 V
  • Low quiescent and low fault-mode current: typical 200 µA
  • Single high-precision current regulation:
    • ±4.6% Accuracy over full junction temperature range
    • Constant current adjustable by external sense resistor
    • Up to 600 mA maximum current
    • Brightness control by input PWM duty cycle
  • Heat sharing with external resistor
  • Low dropout voltage (sense-resistor voltage drop included):
    • Maximum dropout: 150 mV at 10 mA
    • Maximum dropout: 400 mV at 70 mA
    • Maximum dropout: 700 mV at 150 mA
    • Maximum dropout: 1.3 V at 300 mA
  • Diagnostics and protection:
    • LED open-circuit and short-circuit detection with auto-recovery
    • Diagnostic enable with adjustable threshold for low-dropout operation
    • Fault bus up to 15 devices, configurable as either one-fails–all-fail or only-failed-channel-off (N-1)
    • Thermal shutdown
  • Operating junction temperature range: –40°C to +150°C
  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Wide input voltage range: 4.5 V to 40 V
  • Low quiescent and low fault-mode current: typical 200 µA
  • Single high-precision current regulation:
    • ±4.6% Accuracy over full junction temperature range
    • Constant current adjustable by external sense resistor
    • Up to 600 mA maximum current
    • Brightness control by input PWM duty cycle
  • Heat sharing with external resistor
  • Low dropout voltage (sense-resistor voltage drop included):
    • Maximum dropout: 150 mV at 10 mA
    • Maximum dropout: 400 mV at 70 mA
    • Maximum dropout: 700 mV at 150 mA
    • Maximum dropout: 1.3 V at 300 mA
  • Diagnostics and protection:
    • LED open-circuit and short-circuit detection with auto-recovery
    • Diagnostic enable with adjustable threshold for low-dropout operation
    • Fault bus up to 15 devices, configurable as either one-fails–all-fail or only-failed-channel-off (N-1)
    • Thermal shutdown
  • Operating junction temperature range: –40°C to +150°C

With LEDs being widely used in automotive applications, simple LED drivers are more and more popular. Comparing to discrete solutions, a low-cost monolithic solution lowers system-level component count and significantly improves current accuracy and reliability.

The TPS92613-Q1 device is a single-channel, high-side LED driver operating from an automotive car battery. It is a simple, yet elegant, solution to deliver constant current for a single LED string with full LED diagnostics. The one-fails–all-fail feature is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9263x-Q1, and TPS92830-Q1 devices, to address different requirements.

With LEDs being widely used in automotive applications, simple LED drivers are more and more popular. Comparing to discrete solutions, a low-cost monolithic solution lowers system-level component count and significantly improves current accuracy and reliability.

The TPS92613-Q1 device is a single-channel, high-side LED driver operating from an automotive car battery. It is a simple, yet elegant, solution to deliver constant current for a single LED string with full LED diagnostics. The one-fails–all-fail feature is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9263x-Q1, and TPS92830-Q1 devices, to address different requirements.
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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 TPS92613-Q1 Automotive Single-Channel LED Driver datasheet (Rev. B) PDF | HTML 14/01/2020
Nota sobre la aplicación Discrete Fault Detection Circuit for the TPS9261x-Q1 PDF | HTML 27/09/2022
Información sobre seguridad funcional Streamlining Functional Safety Certification in Automotive and Industrial 9/06/2020
Guía del usuario TPS92613-Q1 Evaluation Module (Rev. A) 29/04/2020
Nota sobre la aplicación TPS92613-Q1 Typical Application to Achieve High Immunity to BCI (Bulk Current In 25/03/2020
Información sobre seguridad funcional TPS92613-Q1 Functional Safety FIT Rate and Failure Mode Distribution 2/01/2020
Artículo técnico Hit the brakes on discrete LED circuit designs PDF | HTML 29/05/2019
Informe LED Drivers for Automotive Exterior Applications (Rev. B) 27/03/2018

Diseño y desarrollo

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Placa de evaluación

TPS92613EVM — Módulo de evaluación de controlador LED monocanal TPS92613-Q1

El módulo de evaluación (EVM) TPS92613-Q1 ayuda a los diseñadores a evaluar el funcionamiento y el rendimiento del TPS92613-Q1, un controlador LED lineal de canal único para aplicaciones de iluminación automotriz. Dispone de regulación de corriente de precisión con atenuación de modulación por (...)
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Modelo de simulación

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