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Normaler Preis $7.39
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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Factory | Cut Tape (CT)
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current, Voltage
Fault Protection Over Temperature
Charge Current - Max 300mA
Battery Pack Voltage 4.6V (Max)
Voltage - Supply (Max) 5.5V
Interface GPIO, I2C
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 30-WFBGA, WLBGA
Supplier Device Package 30-WLP (2.75x2.15)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MAX77650AEWV+T is a compact, single-cell battery charger from Analog Devices, specifically designed for Lithium Ion/Polymer batteries. It supports a maximum charge current of 300mA and a battery voltage up to 4.6V. The device integrates GPIO and I2C interfaces for flexible control and includes Over Temperature protection. Housed in a 30-WFBGA package, it operates across a -40°C to 85°C temperature range, making it a versatile solution for portable electronics.

  • Minimal Footprint: The 30-WFBGA package is one of the smallest available, making it perfect for next-generation miniaturized consumer electronics.
  • Digital Control: The I2C interface provides precise control over the charging process and enables reading of status registers for smart system management.
  • Safety Assurance: Built-in Over Temperature protection prevents damage to the battery and device during charging, especially in warm environments.
  • Broad Temperature Tolerance: Its -40°C to 85°C operating range ensures functionality in both cold outdoor and hot indoor conditions.

True Wireless Stereo (TWS) Earbuds

The ultra-compact 30-WFBGA package and 300mA charge current are ideal for the small Li-Poly batteries found in TWS earbuds and their charging cases.

Smart Glasses

With its minimal footprint and low-power charging profile, this IC is suitable for the constrained internal space of augmented reality (AR) and smart glasses.

Portable Health Monitors

Devices like smart patches and continuous glucose monitors (CGMs) benefit from the Over Temperature protection, ensuring safe charging against the skin.

Remote Controls

Modern smart remote controls with rechargeable Li-Ion batteries can use this charger for a simple, safe, and space-efficient charging solution.

Small IoT Devices

The I2C interface allows for intelligent charging control in smart home sensors, beacons, and other compact IoT nodes.

Q: What battery chemistry does the MAX77650AEWV+T support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It supports a single-cell (1) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 300mA.
Q: What is the maximum battery voltage?
A: The maximum battery pack voltage is 4.6V.
Q: What fault protection is included?
A: It includes Over Temperature protection.
Q: What control interfaces are available?
A: It features GPIO and I2C interfaces for control and monitoring.
Base Product Number : MAX77650AEWV
1-Cell 30-WFBGA 300mA 4.6V Battery Charger GPIO I2C Lithium Ion/Polymer Charger MAX77650 Maxim Integrated
Q: What battery chemistry does the MAX77650AEWV+T support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It supports a single-cell (1) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 300mA.
Q: What is the maximum battery voltage?
A: The maximum battery pack voltage is 4.6V.
Q: What fault protection is included?
A: It includes Over Temperature protection.
Q: What control interfaces are available?
A: It features GPIO and I2C interfaces for control and monitoring.