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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series Smart Power Selector™
Packaging Tube |
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 4.1V
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 MAX8903EETI+ is a USB-compatible battery charger IC from Analog Devices/Maxim Integrated, designed for single-cell Lithium Ion batteries requiring a 4.1V charge voltage. It supports a high charge current of up to 2A and includes Over Voltage protection. Packaged in a 28-WFQFN, this charger operates over an industrial temperature range of -40°C to 85°C.

  • High Current Capability: Supports up to 2A, enabling fast charging for compatible batteries.
  • Specific Voltage Regulation: Provides a precise 4.1V charge voltage for specialized Li-Ion cells.
  • Integrated Safety: Over Voltage protection helps prevent damage from voltage spikes.
  • Wide Temperature Range: Operates from -40°C to 85°C for use in demanding environments.

Custom Li-Ion Packs

Charge single-cell Lithium Ion packs with a 4.1V charge voltage, ideal for cells with lower voltage cutoffs.

Portable Medical Devices

Provide a safe, high-current charge for battery-powered health monitors and infusion pumps that require a USB interface.

High-Performance Flashlights

Power high-drain LED flashlights with a fast-charging solution that supports up to 2A for quick recharging.

Consumer Drones

Charge the single-cell Li-Ion batteries used in small consumer drones, ensuring quick turnaround for flight sessions.

Communication Devices

Support two-way radios and portable communication equipment with a reliable, high-current USB charger.

Q: What battery chemistry does the MAX8903EETI+ support?
A: It is designed for Lithium Ion batteries.
Q: How many cells can this charger handle?
A: It supports a single-cell (1) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 2A.
Q: What is the battery voltage for this charger?
A: The battery voltage is 4.1V.
Q: What fault protection does it include?
A: It includes Over Voltage protection.
Q: What interface does the MAX8903EETI+ use?
A: It utilizes a USB interface.
Base Product Number : MAX8903EETI
1 Cell 28-WFQFN 2A 4.1V Battery Charger Lithium Ion Over Voltage Protection Switching Battery Charger USB
Q: What battery chemistry does the MAX8903EETI+ support?
A: It is designed for Lithium Ion batteries.
Q: How many cells can this charger handle?
A: It supports a single-cell (1) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 2A.
Q: What is the battery voltage for this charger?
A: The battery voltage is 4.1V.
Q: What fault protection does it include?
A: It includes Over Voltage protection.
Q: What interface does the MAX8903EETI+ use?
A: It utilizes a USB interface.