TIDA-00503, Automotive SEPIC Backlight Driver Reference Design with two coils

Reference Design using part LP8861QPWPRQ1 by Texas Instruments

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TIDA-00503 Image
TIDA-00503 Block Diagram
TIDA-00503 - two coils Schematic
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Manufacturer

Texas Instruments
  • Application Category
    Lighting
  • Product Type
    Backlight LED Driver

Associated Documents

For End Products

  • Automotive Lighting
  • Backlighting

Description

  • TIDA-00503, Automotive SEPIC Backlight Driver Reference Design with two coils. The TIDA-00503 reference design is a SEPIC mode LED driver design for automotive backlight applications with 2 or 3 LEDs in series. SEPIC enables VIN both above and below VOUT. The LED driver operates at a switching frequency of 2.2MHz for a small overall footprint and all components are limited to <3mm in height

Key Features

  • Input Voltage
    4.5 to 40 V
  • Number of Derived Elements
    2|3

Featured Parts (2)

Featured Parts
Part Number Manufacturer Type Description
TLVH431AQDBVRQ1 Texas Instruments Voltage References V-Ref Adjustable 1.24V to 18V 80mA Automotive AEC-Q100 5-Pin SOT-23 T/R Buy
LP8861QPWPRQ1 Texas Instruments LED Drivers LED Driver 32 Segment 12000uA Supply Current Automotive AEC-Q100 20-Pin HTSSOP EP T/R Buy

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