• Part: XRP6840
  • Manufacturer: Exar
  • Size: 654.31 KB
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XRP6840 Key Features

  • Programmable 4.3A Flash LED Driver
  • Torch and Flash Modes
  • 2 and 3 Channels Versions
  • Programmable Supercapacitor Charger
  • 600mA Adjustable Charging Current
  • Programmable Supercapacitor Voltage
  • In-rush Current Control
  • Active Voltage Balance Control
  • Tri-mode Charge Pump Architecture
  • 1x, 1.5x, 2x Operation Modes

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XRP6840 Description

The XRP6840 is a controlled-current dual-cell supercapacitor charger and high power LED driver. Operating from a standard lithium-ion battery, the XRP6840 provides up to 4.3A of programmable Flash LED current and up to 600mA and 5.6V of programmable supercapacitor charging current and voltage. Architectured around a 2.4MHz tri-mode 1x, 1.5x and 2x charge pump, the XRP6840 charges the stacked supercapacitor to the...