FAN5421BUCX
- Mfr.Part #
- FAN5421BUCX
- Manufacturer
- onsemi
- Package / Case
- 20-UFBGA, WLCSP
- Datasheet
- Download
- Description
- POWER SUPPLY SUPPORT CIRCUIT, PB
- Stock
- 195,970
- In Stock :
- 195,970
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- onsemi
- Product Category :
- Battery Chargers
- Power Supplies :
- 5V
- Height :
- 378μm
- Number of Channels :
- 1
- Weight :
- 73mg
- Max Output Voltage :
- 4.4V
- Current - Charging :
- Constant - Programmable
- Terminal Form :
- Ball
- Package / Case :
- 20-UFBGA, WLCSP
- Number of Cells :
- 1
- Base Part Number :
- FAN5421
- Number of Functions :
- 1
- Analog IC - Other Type :
- POWER SUPPLY SUPPORT CIRCUIT
- Terminal Pitch :
- 0.4mm
- Width :
- 1.87mm
- Radiation Hardening :
- No
- Mounting Type :
- Surface Mount
- Interface :
- I2C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pbfree Code :
- yes
- Max Input Voltage :
- 20V
- Max Output Current :
- 1.55A
- Packaging :
- Tape and Reel (TR)
- Adjustable Threshold :
- yes
- Operating Temperature :
- -30°C~85°C TA
- RoHS Status :
- ROHS3 Compliant
- Operating Supply Current :
- 40mA
- Factory Lead Time :
- 13 Weeks
- Number of Pins :
- 20
- Output Voltage :
- 5.4V
- Battery Chemistry :
- Lithium Ion/Polymer
- Mount :
- Surface Mount
- Terminal Finish :
- Tin/Silver/Copper (Sn/Ag/Cu)
- Fault Protection :
- Over Temperature, Over Voltage, Short Circuit
- Programmable Features :
- Current, Timer, Voltage
- Number of Terminations :
- 20
- Min Supply Voltage :
- 4V
- Min Output Voltage :
- 3.5V
- Max Supply Voltage :
- 6.8V
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- JESD-609 Code :
- e1
- Published :
- 2016
- Terminal Position :
- BOTTOM
- Charge Current - Max :
- 1.5A
- Length :
- 1.96mm
- Supply Voltage :
- 5V
- ECCN Code :
- EAR99
- Datasheets
- FAN5421BUCX

Battery Chargers onsemi FAN5421BUCX Overview
Introducing the cutting-edge POWER SUPPLY SUPPORT CIRCUIT, PB, meticulously crafted by onsemi for the discerning needs of battery charger applications. This advanced circuitry solution is meticulously engineered to enhance the efficiency and reliability of battery charging systems, catering to the demands of modern industrial and commercial environments.
FAN5421BUCX Features
- Highly Efficient Power Delivery: The FAN5421BUCX ensures optimal power transfer, minimizing energy loss and maximizing charging speed.
- Robust Design: Built to withstand varying environmental conditions and operational demands, guaranteeing long-term performance and durability.
- Intelligent Control: Equipped with advanced control features for precise regulation of charging parameters, ensuring safe and efficient operation.
- Compact Form Factor: Designed to be space-efficient, allowing for seamless integration into compact charging systems without compromising functionality.
- Comprehensive Protection: Incorporates multiple protection mechanisms to safeguard against overcharging, overcurrent, and short circuits, ensuring the safety of both the device and the user.
FAN5421BUCX Applications
- Portable Electronic Devices: The FAN5421BUCX is ideal for use in battery charging circuits for smartphones, tablets, and other portable electronic devices. Its compact design and efficient performance make it a perfect fit for on-the-go charging solutions, ensuring reliable power delivery wherever you are.
- Medical Devices: In medical equipment such as portable monitors and diagnostic devices, the FAN5421BUCX plays a crucial role in maintaining uninterrupted power supply. Its robust design and comprehensive protection features ensure the continuous operation of critical medical instruments, promoting patient safety and healthcare efficiency.
- Industrial Automation: Integrated into industrial battery charging systems, the FAN5421BUCX provides efficient power support for automated machinery and equipment. Its intelligent control capabilities and robust design make it an essential component in industrial settings, optimizing productivity and minimizing downtime.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
Manufacturer related products
Catalog related products
Related products
| Part | Manufacturer | Stock | Description |
|---|---|---|---|
| FAN5000AMX | onsemi | 45,473 | FAN5000AMX |
| FAN5000AMX | onsemi | 34,501 | INTEGRATED CIRCUIT |
| FAN5009AMX | onsemi | 15,000 | HALF BRIDGE BASED MOSFET DRIVER |
| FAN5009M | onsemi | 5,027 | HALF BRIDGE BASED MOSFET DRIVER |
| FAN5009M | onsemi | 5,027 | IC GATE DRVR HALF-BRIDGE 8SOIC |
| FAN5009MPX | onsemi | 17,944 | HALF BRIDGE BASED MOSFET DRIVER |
| FAN5009MPX | onsemi | 13,395 | IC GATE DRVR HALF-BRIDGE 8MLP |
| FAN5009MX | onsemi | 65,140 | HALF BRIDGE BASED MOSFET DRIVER |
| FAN5009MX | onsemi | 65,140 | IC GATE DRVR HALF-BRIDGE 8SOIC |
| FAN5018BMTCX | onsemi | 3,171 | SWITCHING CONTROLLER |
| FAN5018BMTCX | onsemi | 3,171 | IC REG CTRLR HI CUR 1OUT 28TSSOP |
| FAN5018MTCX | onsemi | 12,500 | SWITCHING CONTROLLER, VOLTAGE-MO |
| FAN5019BMTCX | onsemi | 7,500 | SWITCHING CONTROLLER |
| FAN5019MTCX | onsemi | 34,252 | SWITCHING CONTROLLER |
| FAN501AMPX | onsemi | 6,133 | IC OFFLINE SWITCH FLYBACK 10MLP |
















