Maxim Integrated's MAX8805EWE+ Product Overview

The MAX8805EWE+ from Maxim Integrated is a high-performance, single-cell, Li+ battery charger with Smart Power Selector™ that allows for safe and efficient charging of lithium-ion (Li-ion) batteries. Designed to meet the power management needs of modern portable devices, this charger integrates a variety of features to ensure the longevity and safety of your battery while maintaining a compact form factor suitable for space-constrained applications.

Key Features

• Charge Current Regulation: The MAX8805EWE+ offers a programmable charge current up to 1A, allowing users to optimize charging for different battery capacities and conditions.
• Smart Power Selector: This unique feature allows the device to power the system load from the charger while simultaneously charging the battery, ensuring uninterrupted operation even with a dead or absent battery.
• High Charging Efficiency: With an integrated DC-DC converter, the charger minimizes heat generation and improves charging efficiency, which is crucial for maintaining battery health.
• Thermal Regulation: To prevent overheating, the MAX8805EWE+ automatically reduces charge current under high-temperature conditions, safeguarding both the charger and the battery.
• Charge Status Indicators: The device includes status outputs that can be used to drive LEDs, providing visual feedback on the charging process.

Applications

The MAX8805EWE+ is ideal for a variety of portable devices that require efficient and safe battery charging. These include:

• Smartphones and PDAs
• Portable media players
• Digital cameras
• Bluetooth® headsets
• Handheld gaming devices

Technical Specifications

• Input Voltage Range: 4.1V to 6.3V
• Battery Voltage Range: 2.5V to 4.2V
• Package Type: WLP (Wafer-Level Package) and TQFN (Thin Quad Flat No leads)
• Operating Temperature Range: -40°C to +85°C

With its advanced charging features and robust design, the MAX8805EWE+ from Maxim Integrated stands out as a superior choice for designers looking to incorporate a reliable and versatile charging solution into their next-generation portable devices.