Manufacturer Part Number
MAX1811ESA+
Manufacturer
Maxim Integrated
Introduction
The MAX1811ESA+ is a USB-powered, single-cell Li-ion/Li-polymer battery charger integrated circuit (IC) designed for portable applications.
Product Features and Performance
Charges Li-ion/Li-polymer batteries from a USB port
Charge current up to 500mA
Constant-current/constant-voltage charging algorithm
Automatic charge termination
Undervoltage lockout
Overtemperature protection
Reverse-polarity protection
Short-circuit protection
Product Advantages
Compact 8-pin SOIC package
High efficiency, reducing heat dissipation
Complete battery charging solution in a single IC
Suitable for portable devices with USB power
Key Technical Parameters
Battery Pack Voltage: 4.2V
Number of Cells: 1
Battery Chemistry: Lithium Ion
Charge Current Max: 500mA
Charge Type: Constant Current
Interface: USB
Supply Voltage Max: 6.5V
Fault Protection: Over Current
Quality and Safety Features
Compliant with RoHS3 requirements
Overtemperature protection
Reverse-polarity protection
Short-circuit protection
Compatibility
Suitable for single-cell Li-ion/Li-polymer battery-powered portable devices with USB power
Application Areas
Portable electronics
Smartphones
Tablets
Wearable devices
Power banks
Product Lifecycle
This is an active product, not nearing discontinuation.
Replacements and upgrades may be available from Maxim Integrated or other vendors.
Key Reasons to Choose This Product
Compact and efficient battery charging solution in a single IC
Supports USB-powered charging for portable devices
Robust safety features to protect the battery and system
Suitable for a wide range of Li-ion/Li-polymer battery-powered applications
Long-term availability and potential for future upgrades or replacements