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All Products > Semiconductors > Driver ICs > LED Lighting Drivers

Exar XRP6840 Supercapacitor Flash LED Driver

The Exar XRP6840 Supercapacitor Flash LED Driver is a controlled-current, dual-cell supercapacitor charger and high power LED driver that operates from a standard lithium-ion battery. The Exar 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. The Exar XRP6840 Supercapacitor Flash LED Driver with Tri-mode Charge Pump Architecture charges the stacked supercapacitor to the programmed output voltage with no more than 600mA drawn from the battery. A standard 2-line I²C serial interface allows the dynamic programming of LED currents in torch and flash modes. This supercapacitor Flash LED driver comes in a 2- and 3-channel version, supporting 440mA/2.15A per channel and 300mA/1.45A in torch/flash modes.


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Exar XRP6840BILB-F
 Enlarge
Exar LED Lighting Drivers 4.3A Supercap. Flash 2-Ch LED Drivr w/I2C
Page 109

Data Sheet
1,080
In Stock
Alternative Packaging
1: $3.16
10: $2.57
100: $2.34
250: $2.11
500: View



Min.: 1
Mult.: 1
2.7 V to 5.5 V + 125 C SMD/SMT TQFN-20
Exar XRP6840AILB-F
 Enlarge
Exar LED Lighting Drivers 4.3A Supercap. Flash 3-Ch LED Drivr w/I2C
Page 109

Data Sheet
59
In Stock
Alternative Packaging
1: $3.16
10: $2.57
100: $2.34
250: $2.11
500: View



Min.: 1
Mult.: 1
2.7 V to 5.5 V + 125 C SMD/SMT TQFN-20
Exar XRP6840AILBTR-F
 Enlarge
Exar LED Lighting Drivers 4.3A Supercap. Flash 3-Ch LED Drivr w/I2C
Data Sheet Non-Stocked
Alternative Packaging
Reel
3,000: $1.52
6,000: $1.46
9,000: Quote



Min.: 3,000
Mult.: 3,000
Reel: 3,000
2.7 V to 5.5 V + 125 C SMD/SMT TQFN-20
Exar XRP6840BILBTR-F
 Enlarge
Exar LED Lighting Drivers 4.3A Supercap. Flash 2-Ch LED Drivr w/I2C
Data Sheet Non-Stocked
Alternative Packaging
Reel
3,000: $1.52
6,000: $1.46
9,000: Quote



Min.: 3,000
Mult.: 3,000
Reel: 3,000
2.7 V to 5.5 V + 125 C SMD/SMT TQFN-20
Compare up to 20 parts.
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