Linear Technology's LTC4053EDD-4.2#PBF - Battery Charger IC

The LTC4053EDD-4.2#PBF is a highly sophisticated and versatile battery charger integrated circuit (IC) designed and manufactured by Linear Technology. This compact, high-efficiency IC is engineered to charge single-cell lithium-ion batteries with precision and safety, making it an ideal solution for portable electronic devices that require reliable power management.

Key Features

• Charge Voltage: The LTC4053EDD-4.2#PBF is specifically designed to charge batteries to a voltage of 4.2V, which is optimal for most single-cell lithium-ion batteries.
• Programmable Charge Current: The charge current can be programmed up to 800mA, allowing for customization based on battery capacity and desired charge rate.
• ThinSOT Package: Enclosed in a small, thermally efficient, 10-lead ThinSOT package, this IC is perfect for space-constrained applications.
• Integrated Safety Features: It includes multiple safety features such as automatic recharge, overcharge protection, and thermal regulation to ensure the battery is charged safely and efficiently.
• No External MOSFET, Sense Resistor, or Blocking Diode Required: The LTC4053EDD-4.2#PBF integrates power components, reducing the need for external parts and simplifying design.
• Charge Current Monitor: For real-time monitoring of the charge process, the IC includes a charge current monitor output.
• Preserve Battery Energy: A low leakage (<1µA) reverse battery protection feature helps preserve battery charge when the charger is not in use.
• Charge Status Output: An output signal is available to indicate the charge status, which can be used to drive an external LED or interface with a microcontroller.

Applications

• Portable Electronics
• Handheld Devices
• Medical and Healthcare Equipment
• Wearable Technology
• Bluetooth Headsets
• GPS Units

The LTC4053EDD-4.2#PBF is a testament to Linear Technology's commitment to providing high-quality, reliable power management solutions. Its combination of integrated features, compact size, and ease of use make it an excellent choice for designers looking to incorporate a robust charging solution into their battery-powered applications.