Product details

Input voltage (type) AC/DC Topology Buck, Flyback Vin (Min) (V) 13 Vin (Max) (V) 36 Iout (Max) (A) 2 Iq (Typ) (mA) 1.2 Features Adjustable Switch Frequency, Soft Switching, Thermal Shutdown Operating temperature range (C) -40 to 125 Dimming method Analog
Input voltage (type) AC/DC Topology Buck, Flyback Vin (Min) (V) 13 Vin (Max) (V) 36 Iout (Max) (A) 2 Iq (Typ) (mA) 1.2 Features Adjustable Switch Frequency, Soft Switching, Thermal Shutdown Operating temperature range (C) -40 to 125 Dimming method Analog
VSSOP (DGS) 10 9 mm² 3 x 3

  • Regulates LED current without secondary side sensing
  • Adaptive ON-time control with inherent PFC
  • Critical-Conduction-Mode (CRM) with Zero-Current Detection (ZCD) for valley switching
  • Programmable switch turn ON delay
  • Programmable Constant ON-Time (COT) and Peak Current Control
  • Over-temperature protection

  • Regulates LED current without secondary side sensing
  • Adaptive ON-time control with inherent PFC
  • Critical-Conduction-Mode (CRM) with Zero-Current Detection (ZCD) for valley switching
  • Programmable switch turn ON delay
  • Programmable Constant ON-Time (COT) and Peak Current Control
  • Over-temperature protection

  • The TPS92310 is an off-line controller specifically designed to drive high power LEDs for lighting applications. With the primary side sensing, constant on-time and quasi-resonant switching techniques, the TPS92310 application circuit gives high Power Factor, good EMI performance and high system efficiency. Also, using this device, low external component count application solutions can be designed easily. Power Factor Correction is inherent if the TPS92310 is operated in the constant on-time mode with an adaptive algorithm. The control algorithm of TPS92310 adjusts the on-time with reference to the primary side inductor peak current and secondary side inductor discharge time dynamically, the response time of which is set by an external capacitor. Also, minimized EMI and switching loss is achieved with quasi-resonant switching. Other supervisory features of the TPS92310 include cycle-by-cycle primary side inductor current limit, VCC under-voltage lockout, output over-voltage protection and thermal shutdown. The TPS92310 is available in the MSOP-10 package.


    The TPS92310 is an off-line controller specifically designed to drive high power LEDs for lighting applications. With the primary side sensing, constant on-time and quasi-resonant switching techniques, the TPS92310 application circuit gives high Power Factor, good EMI performance and high system efficiency. Also, using this device, low external component count application solutions can be designed easily. Power Factor Correction is inherent if the TPS92310 is operated in the constant on-time mode with an adaptive algorithm. The control algorithm of TPS92310 adjusts the on-time with reference to the primary side inductor peak current and secondary side inductor discharge time dynamically, the response time of which is set by an external capacitor. Also, minimized EMI and switching loss is achieved with quasi-resonant switching. Other supervisory features of the TPS92310 include cycle-by-cycle primary side inductor current limit, VCC under-voltage lockout, output over-voltage protection and thermal shutdown. The TPS92310 is available in the MSOP-10 package.


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    Technical documentation

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    Type Title Date
    * Data sheet Off-Line Primary Side Sensing Controller with PFC datasheet 24 Feb 2012
    White paper Common LED Functions and LED Driver Design Considerations 21 Sep 2020
    Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
    Technical article Here's how body electronics and lighting technology are changing the driving experience 26 Sep 2016
    Technical article LED brightness adjustment: high-frequency PWM dimming 26 Aug 2016
    Technical article Take better selfies with innovative LED flashes 18 Nov 2014
    Technical article Solving the automotive EMI issues in new cars with all the screens 11 Sep 2014
    User guide AN-2214 TPS92310 EVM User Guide (Rev. A) 01 May 2013
    User guide TPS92310 Triac Dimmable AC-DC LED Driver Reference Design 12 Dec 2012
    Application note 4.2-W GU10 LED Lighting Driver Using Primary-Side Regulation 10 Apr 2012

    Design & development

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

    Evaluation board

    TPS92310-12FB — TPS92310 120V Flyback LED Driver EVM

    The TPS92310-xxFB evaluation module is a constant current output LED driver supporting 5W to 8W applications. The design focuses on applications that require small form factor and minimal number of external components. The actual PCB dimension of the module is only 22 mm x 55 mm x 19 mm (L x W x (...)

    In stock
    Limit: 2
    Evaluation board

    TPS92310-23FB — TPS92310 230V Flyback LED Driver EVM

    The TPS92310-xxFB evaluation module is a constant current output LED driver supporting 5W to 8W applications. The design focuses on applications that require small form factor and minimal number of external components. The actual PCB dimension of the module is only 22 mm x 55 mm x 19 mm (L x W x (...)

    In stock
    Limit: 2
    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 (...)
    Calculation tool

    TPS92310 Calculation Tools REV 1.3 (Rev. A)

    SLVC416A.ZIP (104 KB)
    Reference designs

    PMP8004 — TPS92310 - 220VAC, 13W Isolated Flyback LED driver with PFC

    The main purpose of this reference design is to demonstrate a high performance offline flyback LED driver with PFC based on TPS92310. This LED driver is designed for converting an AC input to a regulated LED current. The operating conditions and performance of (...)
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