Product details


Topology Current Source Channels (#) 1 Vin (Min) (V) 4.5 Vin (Max) (V) 40 LED current per channel (mA) 150 Operating temperature range (C) -40 to 125 Features Enable/Shutdown, LED Shorted Detection, Thermal Shutdown Applications Foot Well, FootWell, Stop/Tail, Tell-Tale Rating Automotive open-in-new Find other Automotive LED drivers

Package | Pins | Size

SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 open-in-new Find other Automotive LED drivers


  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1:
      –40°C to 125°C, TA
  • 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: 150 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
  • Low Standby Current (<250 µA per Device)
  • Protection:
    • LED Short-Circuit Protection With Auto-Recovery
    • Overtemperature Protection
  • Operating Junction Temperature Range: –40°C to 150°C

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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 TPS92612-Q1 device is a simple single-channel high-side LED driver operating from an automotive car battery. It is a simple and elegant solution to deliver constant current for a single LED string.

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Technical documentation

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Type Title Date
* Datasheet TPS92612-Q1 Automotive Single-Channel LED Driver datasheet (Rev. B) Jan. 14, 2020
Application notes TPS92612-Q1 Functional Safety FIT and Failure Mode Distribution Jan. 02, 2020
Technical articles Hit the brakes on discrete LED circuit designs May 29, 2019
Solution guides LED Drivers for Automotive Exterior Applications (Rev. B) Mar. 27, 2018
Selection guides 汽车外部照明应用的LED驱动器 Mar. 15, 2018
User guides TPS92612-Q1 Evaluation Module User's Guide Dec. 15, 2017
Technical articles Here's how body electronics and lighting technology are changing the driving experience Sep. 26, 2016
Technical articles LED brightness adjustment: high-frequency PWM dimming Aug. 26, 2016
Technical articles Take better selfies with innovative LED flashes Nov. 18, 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide
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.
  • Constant output current set by high-side reference resistor
  • LED short and open detection with auto-recovery
  • Open-fault detection mask during dropout mode

Design tools & simulation

SLDM011B.ZIP (51 KB) - PSpice Model

CAD/CAE symbols

Package Pins Download
SOT-23 (DBV) 5 View options

Ordering & quality

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​


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