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onsemi FAN5403BUCX — Analog & Data Acquisition

onsemi FAN5403BUCX

MPNFAN5403BUCX
End of Life

IC BATT CHG USB SGL CELL LI-ION

$0.33Ref. price · indicative, final on quote
Packaging20-UFBGA, WLCSP
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

FAN5403BUCX specifications
ParameterValue
MountingSurface Mount
Battery pack voltage4.5V (Max)
Supply voltage6V
Current - chargingConstant - Programmable
Charge current - max1.25A
InterfaceI²C, USB
Operating temperature-30°C ~ 85°C (TA)
PackageBulk
Case20-UFBGA, WLCSP
Number of cells1
Fault protectionOver Temperature, Over Voltage, Short Circuit
Battery chemistryLithium Ion/Polymer
Programmable featuresCurrent, Timer, Voltage