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TPS61176 - High-Efficiency 6-Channel WLED Driver

Datasheet Summary

Description

The TPS61176 is an integrated WLED backlight driver for tablets or notebook PCs using single-cell batteries.

It comprises a high-efficiency boost converter with an integrated 2-A, 40-V power MOSFET, and six current sink regulators.

The device can drive up to 60 WLEDs.

Features

  • 1 2.7-V to 6.5-V VIN Voltage Range.
  • 2.7-V to 24-V Boost Input Voltage Range.
  • Integrated 2-A/40-V MOSFET.
  • 1-MHz Switching Frequency.
  • Adaptive Boost Output to WLED Voltages.
  • Six Current Sinks of 35 mA Capability Each.
  • ±2% (Maximum) Current Accuracy.
  • 1.3% (Typical) Current Matching.
  • 100-Hz to 22-kHz Input PWM Frequency.
  • Mixed Dimming Mode: Automatic Switch Between Analog Dimming and PWM Dimming.
  • Progr.

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Datasheet preview – TPS61176

Datasheet Details

Part number TPS61176
Manufacturer Texas Instruments
File Size 1.46 MB
Description High-Efficiency 6-Channel WLED Driver
Datasheet download datasheet TPS61176 Datasheet
Additional preview pages of the TPS61176 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61176 SLVSBM5B – DECEMBER 2012 – REVISED AUGUST 2015 TPS61176 High-Efficiency 6-Channel WLED Driver Supporting Single-Cell Li-Ion Battery Input 1 Features •1 2.7-V to 6.5-V VIN Voltage Range • 2.7-V to 24-V Boost Input Voltage Range • Integrated 2-A/40-V MOSFET • 1-MHz Switching Frequency • Adaptive Boost Output to WLED Voltages • Six Current Sinks of 35 mA Capability Each • ±2% (Maximum) Current Accuracy • 1.3% (Typical) Current Matching • 100-Hz to 22-kHz Input PWM Frequency • Mixed Dimming Mode: Automatic Switch Between Analog Dimming and PWM Dimming – Programmable Switch Point: 25% or 12.
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