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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series Smart Power Selector™
Packaging Cut Tape (CT) | Tape & Reel (TR)
Battery Chemistry Lithium Ion
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current, Timer
Fault Protection Over Voltage
Charge Current - Max 2A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 16V
Interface USB
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 28-WFQFN Exposed Pad
Supplier Device Package 28-TQFN (4x4)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Analog Devices MAX8903AETI is a smart, single-cell Lithium Ion battery charger designed for USB applications. It delivers up to 2A of charge current to a 4.2V battery and includes over-voltage protection. The device operates over a -40°C to 85°C temperature range and is housed in a compact 28-WFQFN package, making it an excellent choice for space-constrained, USB-powered portable devices.

  • USB Compatibility: Engineered for direct charging from USB power sources, simplifying product design.
  • Fast Charge Capability: Supports up to 2A charge current for quick battery replenishment.
  • Safety Assurance: Integrated over-voltage protection safeguards the battery and system.
  • Compact Form Factor: The 28-WFQFN package is ideal for slim and portable device designs.

USB-Powered Consumer Devices

Specifically designed for USB-powered charging, this IC is perfect for smartphones, tablets, and other portable electronics that charge from a standard USB port.

Portable Media Players

For MP3 players and handheld gaming consoles with 1S Li-Ion batteries, the MAX8903AETI provides a reliable charging solution using a common USB cable.

Wireless Peripherals

Charging cases for wireless earbuds and Bluetooth headsets can leverage the USB interface and 2A charge current for efficient power management.

Digital Cameras

Cameras with USB charging capability benefit from this IC's ability to safely charge a 4.2V Li-Ion cell from a 5V USB source.

IoT Devices

For smart sensors and connected devices that are periodically plugged into a USB charger, this IC offers a compact and efficient charging solution.

Q: What battery chemistry does the MAX8903AETI support?
A: It is designed for Lithium Ion batteries.
Q: How many cells does it charge?
A: It supports a single-cell (1s) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 2A.
Q: What is the target battery voltage?
A: The target battery voltage is 4.2V.
Q: What interface does it use?
A: It uses a USB interface for power input.
Q: What fault protection is included?
A: It includes Over Voltage protection.
Base Product Number : MAX8903AETI
1 Cell 28-WFQFN 2A 4.2V Analog Devices Battery Charger Lithium Ion USB Charger
Q: What battery chemistry does the MAX8903AETI support?
A: It is designed for Lithium Ion batteries.
Q: How many cells does it charge?
A: It supports a single-cell (1s) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 2A.
Q: What is the target battery voltage?
A: The target battery voltage is 4.2V.
Q: What interface does it use?
A: It uses a USB interface for power input.
Q: What fault protection is included?
A: It includes Over Voltage protection.