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TPS92612-Q1

ACTIVE

Automotive single-channel LED driver with 150mA output, short protection

Product details

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) 0.15 Iq (typ) (mA) 0.2 Features 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) 0.15 Iq (typ) (mA) 0.2 Features LED Short to Ground Detection, Thermal shutdown
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • 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
  • 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

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.

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
* Data sheet TPS92612-Q1 Automotive Single-Channel LED Driver datasheet (Rev. B) PDF | HTML 14 Jan 2020
Application note Discrete Fault Detection Circuit for the TPS9261x-Q1 PDF | HTML 27 Sep 2022
Functional safety information Streamlining Functional Safety Certification in Automotive and Industrial 09 Jun 2020
White paper 簡化汽車及工業領域的功 能安全認證 09 Jun 2020
White paper 자동차 및 산업 분야의 기능적 안전성 인증 간소화 09 Jun 2020
Functional safety information TPS92612-Q1 Functional Safety FIT and Failure Mode Distribution 02 Jan 2020
Technical article Hit the brakes on discrete LED circuit designs PDF | HTML 29 May 2019
White paper LED Drivers for Automotive Exterior Applications (Rev. B) 27 Mar 2018
Selection guide 汽车外部照明应用的LED驱动器 15 Mar 2018
EVM User's guide TPS92612-Q1 Evaluation Module User's Guide 15 Dec 2017

Design & development

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

Evaluation board

TPS92612EVM — TPS92612-Q1 Single-Channel LED Driver Evaluation Module

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.
User guide: PDF
Not available on TI.com
Simulation model

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

SLDM011B.ZIP (51 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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 View options

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