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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series Smart Power Selector™
Packaging Factory | Tray
Battery Chemistry Multi-Chemistry
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current, Timer, Voltage
Fault Protection Over Current, Over Temperature, Over-Under Voltage, Short Circuit
Charge Current - Max 3.15A
Battery Pack Voltage 4.6V (Max)
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 MAX77757HEFG370+ is a highly integrated, multi-chemistry battery charger IC from Analog Devices. Engineered for single-cell applications, it delivers a programmable charge current up to 3.15A and supports a maximum battery voltage of 4.6V. Its robust design includes comprehensive fault protection against overcurrent, overtemperature, and short circuits. Featuring a USB interface and housed in a compact 24-PowerUFQFN package, this charger is suitable for a wide range of portable electronics requiring efficient and reliable power management.

  • Versatile Chemistry Support: The multi-chemistry design allows use with various battery types, simplifying inventory and design for multiple products.
  • Fast Charging Capability: A high 3.15A charge current significantly reduces charging time for single-cell batteries.
  • Comprehensive Safety: Integrated overcurrent, over/undervoltage, and short-circuit protection ensures safe operation under fault conditions.
  • Wide Temperature Operation: Rated for -40°C to 85°C, it functions reliably in demanding environments.

High-Capacity Smartphones and Tablets

With a 3.15A charge current and USB interface, this charger is ideal for fast-charging large-capacity batteries in premium smartphones and tablets, reducing downtime.

Portable Power Banks

The multi-chemistry support and single-cell capability make it suitable for power banks that need to safely and efficiently charge a variety of lithium-based cells.

Handheld Industrial Terminals

Its operating temperature range of -40°C to 85°C allows deployment in rugged handheld scanners and terminals used in warehouses and outdoor field service.

Wireless Earbuds and Wearables

The compact 24-PowerUFQFN package is well-suited for space-constrained devices like wireless earbuds and smartwatches, where efficient charging is critical.

Digital Cameras and Action Cams

Fast charging via USB makes it a great fit for cameras, ensuring users can quickly recharge batteries between shooting sessions.

Q: What battery chemistries does the MAX77757HEFG370+ support?
A: The MAX77757HEFG370+ is a multi-chemistry battery charger IC, providing flexibility for various battery types.
Q: How many battery cells can this charger manage?
A: This charger is designed for single-cell (1s) battery configurations.
Q: What is the maximum charge current?
A: The maximum programmable charge current is 3.15A, enabling fast charging for compatible batteries.
Q: What is the maximum battery pack voltage supported?
A: The maximum battery pack voltage is 4.6V.
Q: What fault protection features are integrated?
A: It includes protection against overcurrent, overtemperature, over/undervoltage, and short circuits.
Q: What interface does the charger use for control?
A: It utilizes a USB interface for communication and control.
Base Product Number : MAX77757
24-PowerUFQFN 3.15A Analog Devices Battery Charger Multi-Chemistry Charger Single Cell USB Interface
Q: What battery chemistries does the MAX77757HEFG370+ support?
A: The MAX77757HEFG370+ is a multi-chemistry battery charger IC, providing flexibility for various battery types.
Q: How many battery cells can this charger manage?
A: This charger is designed for single-cell (1s) battery configurations.
Q: What is the maximum charge current?
A: The maximum programmable charge current is 3.15A, enabling fast charging for compatible batteries.
Q: What is the maximum battery pack voltage supported?
A: The maximum battery pack voltage is 4.6V.
Q: What fault protection features are integrated?
A: It includes protection against overcurrent, overtemperature, over/undervoltage, and short circuits.
Q: What interface does the charger use for control?
A: It utilizes a USB interface for communication and control.