Part Number
|
XRP6840 |
Manufacturer
|
Exar Corporation |
Description
|
4.3A Supercapacitor Flash LED Driver |
Published
|
Aug 30, 2016 |
Detailed Description
|
December 2009
XRP6840
4.3A Supercapacitor Flash LED Driver with I2C
Rev. 1.0.0
GENERAL DESCRIPTION
The XRP6840 is a co...
|
Datasheet
|
XRP6840
|
Overview
December 2009
XRP6840
4.
3A Supercapacitor Flash LED Driver with I2C
Rev.
1.
0.
0
GENERAL 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 programmed output voltage with no more than 600mA drawn from the battery.
While charging, an internal active balance circuitry insures matching of the stacked capacitors’ voltages.
A...
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