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TPS92611-Q1
  • TPS92611-Q1
  • TPS92611-Q1

TPS92611-Q1

ACTIVE

Automotive Single-channel LED driver with 300mA output, open and short detection

Texas Instruments TPS92611-Q1 Product Info

1 April 2026 3

Parameters

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)

0.3

Iq (typ) (mA)

0.2

Features

Enable/Shutdown, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, Thermal shutdown

Package

HVSSOP (DGN)-8-14.7 mm² 3 x 4.9

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Single-Channel Constant-Current LED Driver With PWM Dimming
  • Wide Input-Voltage Range: 4.5 V–40 V
  • Constant Output Current, Adjustable by Sense Resistor
  • Precision Current Regulation, Tolerance ±4.6%
  • Maximum Current: 300 mA
  • Heat Sharing With External Resistor
  • 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
    • 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
    • Low Quiescent Current and Fault-Mode Current (<250 µA per Device)
  • Operating Junction Temperature Range: –40°C to 150°C
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Single-Channel Constant-Current LED Driver With PWM Dimming
  • Wide Input-Voltage Range: 4.5 V–40 V
  • Constant Output Current, Adjustable by Sense Resistor
  • Precision Current Regulation, Tolerance ±4.6%
  • Maximum Current: 300 mA
  • Heat Sharing With External Resistor
  • 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
    • 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
    • Low Quiescent Current and Fault-Mode Current (<250 µA per Device)
  • Operating Junction Temperature Range: –40°C to 150°C

Description

With LEDs being widely used in automotive applications, 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 TPS92611-Q1 device is a simple single-channel high-side LED driver operating from an automotive car battery. It is a simple and elegant solution, with LED diagnostics, to deliver constant current for a single LED string. Its one-fails–all-fail feature is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9263x-Q1, and TPS9283x-Q1 devices, to address different requirements.

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