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Controladores LED de iluminación

TPS92612

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Controlador LED lineal monocanal de 150 mA

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TPS92612

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Detalles del producto

Input voltage type Linear Topology current mode Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (max) (V) 40 Vout (min) (V) 4.5 Iout (max) (A) 0.15 Iq (typ) (mA) 0.2 Features Enable Operating temperature range (°C) -40 to 125 Dimming method PWM Number of channels 1 Rating Catalog
Input voltage type Linear Topology current mode Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (max) (V) 40 Vout (min) (V) 4.5 Iout (max) (A) 0.15 Iq (typ) (mA) 0.2 Features Enable Operating temperature range (°C) -40 to 125 Dimming method PWM Number of channels 1 Rating Catalog
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Single-channel high-precision current source:
    • ±4.6% Current accuracy from –40°C to +125°C
    • Current adjustable by external sense resistor
    • Up to 150 mA maximum current
  • Wide input-voltage range: 4.5 V – 40 V
  • Brightness control by input PWM duty cycle
  • Low dropout voltage (current-sense voltage drop included)
    • Maximum dropout: 150 mV at 10 mA
    • Maximum dropout: 400 mV at 70 mA
    • Maximum dropout: 700 mV at 150 mA
  • Low quiescent current: typical 200 µA
  • Protection:
    • LED short-circuit protection with auto-recovery
    • Thermal shutdown
  • Support heat sharing with external resistor
  • Operating junction temperature range: –40°C to +150°C
  • Single-channel high-precision current source:
    • ±4.6% Current accuracy from –40°C to +125°C
    • Current adjustable by external sense resistor
    • Up to 150 mA maximum current
  • Wide input-voltage range: 4.5 V – 40 V
  • Brightness control by input PWM duty cycle
  • Low dropout voltage (current-sense voltage drop included)
    • Maximum dropout: 150 mV at 10 mA
    • Maximum dropout: 400 mV at 70 mA
    • Maximum dropout: 700 mV at 150 mA
  • Low quiescent current: typical 200 µA
  • Protection:
    • LED short-circuit protection with auto-recovery
    • Thermal shutdown
  • Support heat sharing with external resistor
  • Operating junction temperature range: –40°C to +150°C

With LEDs being widely used as a light source, simple LED drivers are more and more popular. Compared to discrete solutions, a low-cost monolithic solution lowers system-level component counts and significantly improves current accuracy and reliability.

The TPS92612 device is a single-channel high-side linear LED driver operating from a wide range supply. It is a simple, yet elegant solution to deliver constant current for a single LED string. It can support off-board LED connection with long cables. The TPS92612 device can also be used as a general constant current source or current limiter in other applications.

With LEDs being widely used as a light source, simple LED drivers are more and more popular. Compared to discrete solutions, a low-cost monolithic solution lowers system-level component counts and significantly improves current accuracy and reliability.

The TPS92612 device is a single-channel high-side linear LED driver operating from a wide range supply. It is a simple, yet elegant solution to deliver constant current for a single LED string. It can support off-board LED connection with long cables. The TPS92612 device can also be used as a general constant current source or current limiter in other applications.
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Documentación técnica

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* Data sheet TPS92612 40-V, 150-mA Single-Channel Linear LED Driver and Constant-Current Source With Protection datasheet PDF | HTML 30 ago 2019
White paper Common LED Functions and LED Driver Design Considerations 21 sep 2020

Diseño y desarrollo

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Placa de evaluación

TPS92612EVM — Módulo de evaluación de controlador LED monocanal TPS92612-Q1

The TPS92612-Q1 evaluation module (EVM) helps designers evaluate the operation and performance of TPS92612-Q1, a single-channel linear LED driver for automotive lighting applications. It is a simple and elegant solution to deliver constant current for a single LED string with full LED protection.
Guía del usuario: PDF
No disponible en TI.com
Modelo de simulación

TPS92612-Q1 Unencrypted PSpice Transient Model Package (Rev. B)

SLDM011B.ZIP (51 KB) - PSpice Model
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Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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SOT-23 (DBV) 5 Ver opciones
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