Search by part number

GlobalRequest support

Explore VyrianAbout

A global team built around accountable electronic-component sourcing.

CompanyWho we are Global presence Our team

People & planetPlant 5 initiative Recognition Corporate responsibility

Quality & Compliance

Explore VyrianQuality & Compliance

Controlled processes, traceability, testing, and risk management.

AssuranceQuality system Anti-counterfeit Certifications

ComplianceTrade compliance Supplier controls Request documentation

Explore VyrianLabs

Inspection and engineering support for critical components.

CapabilitiesLaboratory network Testing process Equipment

SupportStandards Engineering labs brochure Request lab support

Explore VyrianProducts

Find parts by MPN, category, manufacturer, or application.

CatalogAll products Browse categories All manufacturers

SourceSearch by part number Product line card Submit a sourcing request

Explore VyrianManufacturers

Explore the manufacturer network Vyrian supports worldwide.

DirectoryAll manufacturers Manufacturer search 2026 Product Line Card

ProcurementSearch by part number Alternative sourcing Supplier enquiries

Global electronic-component sourcing, testing, and supply-chain support.

Headquarters

3931 Ann Arbor Drive
Houston, TX 77063
United States

+1 855 455 7151 [email protected]

Quick linksAbout Products Manufacturers Quality & compliance Engineering labs Plant 5 Product line card Company presentation

Ready to source a part?

Send an MPN or project requirement to Vyrian’s sourcing team.

Start an enquiry

© 2026 Vyrian. All rights reserved.

Terms & conditions Privacy policy Cookie policy

FAN5401UCX — Fairchild Semiconductor | Vyrian

Home/Products/Integrated Circuits (ICs)/Power Management ICs/Battery Chargers/Fairchild Semiconductor/FAN5401UCX

Fairchild SemiconductorFAN5401UCX

Battery Chargers

FAN5401UCX

ActiveRoHS / REACH on request

Manufacturer: Fairchild Semiconductor
Manufacturer part number: FAN5401UCX
Category: Battery Chargers
Datasheet: Confirmed with quote
Description: Charger IC Lithium Ion/Polymer 20-WLCSP (1.96x1.56)

Request a quote

Source FAN5401UCX

Send the essentials now. Our team will follow up for quantity, date code or testing requirements.

Name *CompanyMPN *Quantity *Email *

Message

By submitting, you agree that Vyrian may use this information to respond to your request. See the privacy policy.

Technical review No cart or checkout

Manufacturer data

Technical details

Use this summary for discovery only. Confirm all design-critical values against current manufacturer-controlled documentation.

Physical

Package / Case: 20-UFBGA, WLCSP
Supplier Device Package: 20-WLCSP (1.96x1.56)
Mounting Type: Surface Mount

Technical

Operating Temperature: -30°C ~ 85°C (TA)
Battery Chemistry: Lithium Ion/Polymer
Voltage - Supply (Max): 6V
Number of Cells: 1
Battery Pack Voltage: 4.5V (Max)
Interface: I2C, USB
Programmable Features: Current, Timer, Voltage
Charge Current - Max: 1.25A
Current - Charging: Constant - Programmable
Fault Protection: Over Temperature, Over Voltage, Short Circuit

Sourcing

Qualified supply, not a shopping cart.

Commercial availability, condition, packaging and traceability are confirmed against your exact requirement through RFQ.

Request this part More from Fairchild Semiconductor

Part discovery

More from Fairchild Semiconductor

Submit any listed MPN for current sourcing, lifecycle and compliance review.

MOCD207R2M

Fairchild SemiconductorTransistor, Photovoltaic Output Optoisolators

OPTOISO 2.5KV 2CH TRANS 8-SOIC

FOD2743BSD

Fairchild SemiconductorTransistor, Photovoltaic Output Optoisolators

OPTOISOLATOR 5KV 1CH TRANS 8-SMD

HCPL3700SDV

Fairchild SemiconductorTransistor, Photovoltaic Output Optoisolators

OPTOISOLTR 2.5KV 1CH DARL 8-SMD

HCPL3700SV

Fairchild SemiconductorTransistor, Photovoltaic Output Optoisolators

OPTOISOLTR 2.5KV 1CH DARL 8-SMD