Product details


Input voltage (type) DC/DC Topology Boost, Buck, Buck-Boost, Cuk, Flyback, Sepic Vin (Min) (V) 4.5 Vin (Max) (V) 65 Iout (Max) (A) 5 Iq (Typ) (mA) 1.8 Features Adjustable Switch Frequency, High Output Accuracy, Precision Dimming Control, Soft Start, Synchronization Pin, Thermal Shutdown Operating temperature range (C) -40 to 125 Dimming method Analog, PWM open-in-new Find other Illumination LED drivers

Package | Pins | Size

HTSSOP (PWP) 20 42 mm² 6.5 x 6.4 open-in-new Find other Illumination LED drivers


  • Wide Input Voltage: 4.5 V to 65 V
  • Better than ± 4% LED Current Accuracy over –40°C to 150°C Junction Temperature Range
  • Spread Spectrum Frequency Modulation for Improved EMI
  • Comprehensive Fault Protection Circuitry with Current Monitor output and Open Drain Fault Flag Indicator
  • Internal Analog Voltage to PWM Duty Cycle Generator for stand-alone Dimming Operation
  • Compatible with Direct PWM Input with over 1000:1 Dimming Range
  • Analog LED Current Adjust Input (IADJ) with over 15:1 Contrast Ratio
  • Integrated P-Channel Driver to enable Series FET Dimming and LED Protection
  • TPS92692-Q1: Automotive Q100 Grade 1 Qualified

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The TPS92692 and TPS92692-Q1 are high accuracy peak current mode based controllers designed to support step-up/down LED driver topologies. The device incorporates a rail-to-rail current amplifier to measure LED current and spread spectrum frequency modulation technique for improved EMI performance.

This high performance LED controller can independently modulate LED current using either analog or PWM dimming techniques. Linear analog dimming response with over 15:1 range is obtained by varying the voltage across the high impedance analog adjust (IADJ) input. PWM dimming of LED current is achieved by directly modulating the DIM/PWM input pin with the desired duty cycle or by enabling the internal PWM generator circuit. The PWM generator translates the DC voltage at DIM/PWM pin to corresponding duty cycle by comparing it to the internal triangle wave generator. The optional PDRV gate driver output can be used to drive an external P-Channel series MOSFET.

The TPS92692 and TPS92692-Q1 devices support continuous LED status check through the current monitor (IMON) output. The devices also include an open drain fault indicator output to indicate LED overcurrent, output overvoltage and output undervoltage conditions.

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Technical documentation

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Type Title Date
* Datasheet TPS92692, TPS92692-Q1 High Accuracy LED Controller With Spread Spectrum Frequency Modulation datasheet Mar. 08, 2017
User guide TPS92692 Boost and Boost-to-Battery LED Driver Evaluation Board Mar. 10, 2017
Technical article Here's how body electronics and lighting technology are changing the driving experience Sep. 26, 2016
Technical article LED brightness adjustment: high-frequency PWM dimming Aug. 26, 2016
Technical article Take better selfies with innovative LED flashes Nov. 18, 2014
Technical article Solving the automotive EMI issues in new cars with all the screens Sep. 11, 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 TPS92692EVM-880 is a fully assembled and tested LED driver that can be configured as either a Boost or a Boost-to-Battery topology to power a single string of series connected LEDs. Acurate closed-loop LED current regulation is achieved using a low-offset rail-to-rail current sense amplifier (...)

  • Versatile LED driver capable of driving a string of 1 to 20 series connected white LEDs
  • Wide input voltage range (4.5 V to 18 V): Supports automotive start-stop and load dump transients up to 65 Vmax
  • Better than +/-4% LED current regulation using high-side current sense resistor
  • Internal analog voltage (...)

Design tools & simulation

SLOM480.ZIP (38 KB) - TINA-TI Reference Design
SLVMC05A.ZIP (121 KB) - PSpice Model
PSpice® for TI design and simulation tool
PSPICE-FOR-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 (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SLVC686.ZIP (123 KB)
SLVC687.ZIP (259 KB)

CAD/CAE symbols

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HTSSOP (PWP) 20 View options

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