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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 103

Data Sheet
1,437
In Stock
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 725 mA + 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 103

Data Sheet
90
In Stock
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 725 mA + 125 C SMD/SMT TQFN-20
Exar XRP6840BILBTR-F
Enlarge
701-XRP6840BILBTR-F


To purchase full reel, order in multiples of 3000:
Exar LED Lighting Drivers 4.3A Supercap. Flash 2-Ch LED Drivr w/I2C
Data Sheet Non-Stocked
Cut Tape
2,050: $1.60
Reel
3,000: $1.52
6,000: $1.46
9,000: Quote



Min.: 2,050
Mult.: 1
Reel: 3,000
2.7 V to 5.5 V 725 mA + 125 C SMD/SMT TQFN-20
Exar XRP6840AILBTR-F
Enlarge
701-XRP6840AILBTR-F


To purchase full reel, order in multiples of 3000:
Exar LED Lighting Drivers 4.3A Supercap. Flash 3-Ch LED Drivr w/I2C
Data Sheet Non-Stocked
Cut Tape
2,050: $1.60
Reel
3,000: $1.52
6,000: $1.46
9,000: Quote



Min.: 2,050
Mult.: 1
Reel: 3,000
2.7 V to 5.5 V 725 mA + 125 C SMD/SMT TQFN-20
Compare up to 20 parts.
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