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Regular price $5.10
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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series Smart Power Selector™
Packaging Factory | Tray
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current
Fault Protection Over Temperature, Over Voltage
Charge Current - Max 3.15A
Battery Pack Voltage 4.35V
Voltage - Supply (Max) 13.7V
Interface USB
Operating Temperature -40°C ~ 85°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 24-PowerUFQFN
Supplier Device Package 24-FC2QFN (3x3)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Analog Devices MAX77757JEFG435+ is a high-current USB battery charger for single-cell Lithium Ion/Polymer batteries. It supports a charge current up to 3.15A and a battery voltage of 4.35V. This device includes over-temperature and over-voltage protection and is available in a compact 24-PowerUFQFN package, ideal for space-constrained, high-performance portable electronics.

  • Fast Charging Capability: Supports up to 3.15A, significantly reducing charge time for large batteries.
  • USB Interface: Seamlessly integrates with standard USB power sources.
  • High-Voltage Support: Optimized for 4.35V battery cells, enabling higher energy density.
  • Compact and Efficient: The 24-PowerUFQFN package saves board space in slim device designs.

High-End Smartphones

The MAX77757JEFG435+ supports up to 3.15A charge current, making it suitable for fast charging of high-capacity 4.35V smartphone batteries.

USB-C Enabled Devices

With a USB interface, this charger integrates well into modern USB-C based product designs for power delivery.

Drones and UAVs

For single-cell Li-Po batteries used in small drones, this IC provides the high current needed for quick turnaround between flights.

Portable Power Tools

Its high charge current and robust protection make it a candidate for compact, single-cell power tools.

Augmented Reality Glasses

The compact PowerUFQFN package and high current capability support the demanding power needs of AR glasses with small batteries.

Q: What battery chemistry does the MAX77757JEFG435+ support?
A: It supports Lithium Ion and Lithium Polymer batteries.
Q: How many cells can it charge?
A: It is designed for a single cell (1 cell).
Q: What is the maximum charge current?
A: The maximum charge current is 3.15A.
Q: What is the battery voltage?
A: The battery voltage is 4.35V.
Q: What interface does it use?
A: It uses a USB interface.
Q: What protections are included?
A: It includes Over Temperature and Over Voltage protection.
Base Product Number : MAX77757
1 Cell 3.15A 4.35V Battery Charger Lithium Ion Lithium Polymer PowerUFQFN-24 USB Charger
Q: What battery chemistry does the MAX77757JEFG435+ support?
A: It supports Lithium Ion and Lithium Polymer batteries.
Q: How many cells can it charge?
A: It is designed for a single cell (1 cell).
Q: What is the maximum charge current?
A: The maximum charge current is 3.15A.
Q: What is the battery voltage?
A: The battery voltage is 4.35V.
Q: What interface does it use?
A: It uses a USB interface.
Q: What protections are included?
A: It includes Over Temperature and Over Voltage protection.