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TPS61165DRVT

38V 1.2A LED driver boost, 1MHz, WSON-6

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Manufacturer Part：

TPS61165DRVT

Package：

WSON-6 (3x3mm)

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Description

Product Overview

The TPS61165DRVT from TI is a 38V 1.2A boost LED driver with 1MHz switching, PWM dimming, and 2.7-18V input in WSON-6 for white LED backlighting.

Key Specifications

Package WSON-6 (3x3mm)

Features

  • See datasheet for complete specifications
  • Industry-standard package

Applications

  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Power management

The TPS61165DRVT from TI is a 38V 1.2A boost LED driver with 1MHz switching, PWM dimming, and 2.7-18V input in WSON-6 for white LED backlighting.

The TPS61165 is a 38V boost converter designed specifically for driving LED strings. It uses current-mode control with an integrated 1.2A N-channel MOSFET switch operating at 1MHz fixed frequency. The LED current is regulated through the FB pin: an external sense resistor between FB and GND sets the LED current (IFB = 500mV / RSET). The error amplifier compares the FB voltage against the 500mV reference and adjusts the PWM duty cycle to maintain constant current. The CTRL pin serves dual purpose: pulling it high enables the device, and applying a PWM signal (200Hz-5kHz) provides direct LED dimming by modulating the internal reference voltage. The COMP pin allows external compensation network connection for loop stability. Over-voltage protection activates if the FB voltage exceeds 1.2V, protecting the device during open-LED conditions.

Pin Name Type Function
1 SW Power Output Switching node (internal MOSFET drain)
2 GND Power Ground and thermal pad
3 FB Analog Input Feedback voltage (500mV reference)
4 CTRL Input Enable and dimming control (PWM)
5 COMP Analog Error amplifier output (compensation)
6 VIN Power Input Input supply (2.9-18V)
EP Exposed Pad Power Thermal pad, connect to GND
  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Power management
    • Manufacturer Part Number Package Notes
    Texas Instruments TPS61165DRVR WSON-6 Tape and reel variant
    Texas Instruments TPS61175PWPR HTSSOP-14 38V 3A, higher power
    Monolithic Power MP3204DJ-LF-Z TSOT-23-5 28V 1A LED boost
    Analog Devices LT1937ES5 SOT-23-5 Boost LED driver, 1A switch
    Diodes Inc AL8805WT-7 SOT-25 Buck LED driver alternative
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    Service & Packaging

    Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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    Tel / WhatsApp: +86 13760382860
    Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
     

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