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FAN54511APUCX

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FAN54511APUCX

IC BATT CHG LI-ION 1CELL 63WLCSP

Manufacturer: onsemi

Categories: Battery Chargers

Quality Control: Learn More

The onsemi FAN54511APUCX is a highly integrated battery charger IC designed for single-cell Lithium Ion/Polymer battery applications. This device supports up to 3.2A maximum charge current and features programmable constant-current charging. Its robust design includes over-temperature fault protection. Communication and control are facilitated through I2C and USB interfaces. The FAN54511APUCX is supplied in a compact 63-UFBGA, WLCSP package, suitable for surface mounting. This component finds application in consumer electronics, portable devices, and power management systems requiring efficient and reliable battery charging solutions. The device operates with a maximum supply voltage of 13.25V and offers programmable timer features.

Additional Information

Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 32 week(s)Product Status: Not For New DesignsPackaging: Tape & Reel (TR)Datasheet:
Technical Details:
PackagingTape & Reel (TR)
Package / Case63-UFBGA, WLCSP
Number of Cells1
Mounting TypeSurface Mount
InterfaceI2C, USB
Operating Temperature-
Battery ChemistryLithium Ion/Polymer
Supplier Device Package63-WLCSP
Charge Current - Max3.2A
Programmable FeaturesTimer
Fault ProtectionOver Temperature
Voltage - Supply (Max)13.25V
Battery Pack Voltage-
Current - ChargingConstant - Programmable

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onsemi FAQs

onsemi manufactures power and analog semiconductor components focused on energy efficiency, sensing, and intelligent power management.

onsemi’s core components include:

  • Power semiconductors (MOSFETs, IGBTs, and SiC devices)
  • Power management ICs (PMICs)
  • Analog and mixed-signal ICs
  • Image sensors and sensing technologies
  • Signal conditioning and interface components
  • Discrete and module-based power solutions

onsemi specializes in energy-efficient and high-reliability semiconductor solutions for electrification and automation.

onsemi serves industries that require efficient power conversion, sensing, and high-performance electronics.

onsemi’s key industries include:

These industries rely on onsemi for power efficiency, system reliability, and advanced sensing capabilities.

onsemi is known for power, sensing, and energy-efficient semiconductor product lines used in automotive, industrial, and energy applications.

Key onsemi product lines include:

  • EliteSiC - silicon carbide (SiC) power devices for high-efficiency power conversion
  • EcoSpin - integrated motor driver solutions for industrial and automotive systems
  • Treo platform - intelligent power modules for automotive applications
  • Hyperlux image sensors - high-performance imaging solutions
  • AR series image sensors - CMOS sensors for automotive and industrial vision
  • NCP / NCV series - power management ICs and automotive-grade solutions
  • FD / FDM series MOSFETs - discrete power transistors
  • NB / NC series - signal conditioning and interface ICs
Integrated Circuit FAQs

An integrated circuit (IC) is a semiconductor chip that contains transistors, resistors, capacitors, and other electronic components on a single silicon substrate. ICs are the foundation of modern electronics and power devices such as smartphones, computers, automotive systems, and industrial equipment.

Integrated circuits work by routing electrical signals through microscopic semiconductor components fabricated onto a silicon chip. Depending on the design, ICs can process, amplify, store, or control electronic data.

Integrated circuits are used in:

The different types of integrated circuits include:

Frequently Asked Questions

As a full line supplier, we specialize in sourcing obsolete and hard to find electronic components for your projects.

After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

Once requirements such as date codes, quantities, target prices, testing requirements, and more are discussed, our purchasing team will secure stock through Microchip USA’s direct access to manufacturing partners’ excess inventory lists.

Our operations teams will handle logistics and fulfillment to ensure supply chain continuity, and our support team will provide clear communication throughout the process.

Our net terms for electronic component sourcing are flexible and vary by order. Our account executives will work with you to ensure our terms meet your company’s needs. We also offer scheduled shipments and inventory management solutions to ensure a steady supply of electronic components, maintain cash flow, and maximize warranty periods. We always offer a warranty on all tested parts. See our sales terms and conditions for more information.

We partner with industry-leading AS6171 & AS6081-certified third party testing labs to mitigate risk and support a wide array of end uses for your company’s requirements. Testing includes but isn’t limited to: Decapsulation & Internal Dye Verification. X-Ray Inspection & Analysis, External Visual Inspection, Surface Texture Analysis (SEM), and Electrical Pin Correlation.