The MAX1758EIA from Maxim Integrated is a highly sophisticated and efficient single-cell lithium-ion (Li+) battery charger. Designed to cater to the needs of portable electronic devices, this integrated circuit (IC) offers a compact and reliable solution for battery management. The MAX1758EIA simplifies the charging process by integrating most of the components required for charging control, thus reducing the external component count and saving valuable board space.

Key Features

• Precision Charging: The MAX1758EIA ensures precise charging of batteries by regulating the voltage and current throughout the charging cycle. It can provide up to 1A of charge current, which is programmable via an external resistor.
• Thermal Regulation: This IC incorporates thermal regulation to protect the battery and the charger during high power or high ambient conditions. It automatically reduces charge current to prevent overheating.
• Charge Termination: To maximize battery life, the MAX1758EIA includes an automatic charge termination feature once the battery is fully charged. It also has a safety timer to prevent overcharging.
• Power Management: The device offers a power-management scheme that allows it to operate from either a USB port or an AC adapter, making it highly versatile for various applications.
• LED Status Indicators: It features status outputs to drive LEDs, providing visual indications for charge, fault, and power-good conditions.

Applications

The MAX1758EIA is ideal for a range of portable devices where efficient charging is crucial. It is commonly used in:

• Cellular Phones
• PDAs
• Digital Cameras
• MP3 Players
• Portable Instruments

Technical Specifications

The IC comes in a compact 16-pin SSOP package. It operates over a wide input voltage range and has a programmable charge current up to 1A. The device also supports a variety of battery chemistries, ensuring compatibility with numerous portable electronic products.

With the MAX1758EIA, Maxim Integrated continues to demonstrate its commitment to innovative power management solutions that meet the evolving needs of modern portable electronics.