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LM3550 - 5-A Super-Capacitor Flash LED Driver

Description

The LM3550 device is a low-noise, switchedcapacitor DC-DC converter designed to operate as a current-limited and adjustable (up to 5.3 V) supercapacitor charger.

Features

  • 1 Up to 5 A Flash Current.
  • 4 Selectable Super-Capacitor Charge Voltage Levels (4.5 V, 5 V, 5.3 V, Optimized).
  • Adjustable Torch Current (60 mA to 200 mA).
  • Ambient Light or LED Thermal Sensing With Current Scaleback.
  • Dedicated Indicator LED Current Source.
  • No Inductor Required.
  • Programmable Flash Pulse Duration, and Torch and Flash Currents via I2C-Compatible Interface.
  • True Shutdown (LED Disconnect).
  • Flash Timeout Pr.

📥 Download Datasheet

Datasheet preview – LM3550

Datasheet Details

Part number LM3550
Manufacturer Texas Instruments
File Size 1.32 MB
Description 5-A Super-Capacitor Flash LED Driver
Datasheet download datasheet LM3550 Datasheet
Additional preview pages of the LM3550 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LM3550 SNVS569C – MAY 2009 – REVISED OCTOBER 2016 LM3550 5-A Super-Capacitor Flash LED Driver 1 Features •1 Up to 5 A Flash Current • 4 Selectable Super-Capacitor Charge Voltage Levels (4.5 V, 5 V, 5.3 V, Optimized) • Adjustable Torch Current (60 mA to 200 mA) • Ambient Light or LED Thermal Sensing With Current Scaleback • Dedicated Indicator LED Current Source • No Inductor Required • Programmable Flash Pulse Duration, and Torch and Flash Currents via I2C-Compatible Interface • True Shutdown (LED Disconnect) • Flash Timeout Protection • Low Profile 20-Pin UQFN Package (3 mm × 2.5 mm × 0.
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