The LTC4058EDD#PBF is a high-efficiency, standalone linear charger for single-cell lithium-ion batteries, manufactured by Linear Technology. This compact and feature-rich device is designed to deliver precision charging with minimal external components, making it an ideal solution for portable applications where space and power efficiency are critical.

Key Features:

• Charge Current: Programmable up to 750mA, allowing for rapid charging of batteries.
• Input Voltage Range: Operates from 4.25V to 6.5V, making it versatile for various power supplies.
• High Efficiency: The LTC4058EDD#PBF utilizes a constant-current/constant-voltage algorithm, ensuring efficient charging and maximizing battery life.
• Thermal Regulation: Protects the charger by reducing charge current if the die temperature exceeds a preset threshold, ensuring safe operation under all conditions.
• No External MOSFET, Sense Resistor, or Blocking Diode Required: Simplifies design and reduces external part count.
• Charge Status Output: An open-drain status pin provides a simple interface to indicate the charging state.
• Automatic Recharge: The charger automatically initiates a new charging cycle when the battery voltage falls below a preset threshold.
• Small Package: Available in a 10-lead (3mm x 3mm) DFN package, offering a compact footprint for space-constrained applications.

Applications:

The LTC4058EDD#PBF is suitable for a wide range of portable electronic devices, including:

• Cellular Phones
• Digital Cameras
• MP3 Players
• Portable Medical Devices
• Handheld Instruments

Product Quality and Reliability:

This product is designed with the high-quality standards that Linear Technology is known for. The LTC4058EDD#PBF is RoHS compliant, ensuring that it meets the latest environmental standards for electronic components.

Conclusion:

The LTC4058EDD#PBF from Linear Technology is a sophisticated solution for charging single-cell lithium-ion batteries with efficiency and reliability. Its ease of integration, coupled with its compact size, makes it an excellent choice for designers looking to enhance their portable applications.