Product Overview: LTC4156IUFD#PBF

The LTC4156IUFD#PBF is a high-performance, dual-input PowerPath manager with an integrated Li-Ion/Polymer battery charger from Linear Technology, designed to cater to the demanding needs of portable devices. This advanced IC is engineered to efficiently manage power between multiple sources such as USB, wall adapters, and a battery while simultaneously providing a robust charging solution for single-cell lithium batteries.

Key Features:

• Dual-Input PowerPath Control: Seamlessly manages power between USB and wall adapter inputs, ensuring uninterrupted operation of the device even when the battery is low or absent.
• Integrated Battery Charger: Features a high-efficiency switch-mode battery charger with programmable charge current up to 3.5A, which can charge a battery from either input source.
• Instant-On Operation: Powers the system load from the battery with minimal delay when external power is applied, making it ideal for applications that require immediate response.
• Automatic Input Selection: Prioritizes input sources based on power availability and intelligently switches to ensure optimal charging and system operation.
• Thermal Regulation: Incorporates thermal feedback to maximize charge rate without the risk of overheating, ensuring safe operation under varying environmental conditions.
• Programmable Safety Timer: Customizable safety timer to terminate charge cycle, providing an additional layer of protection for the battery.
• Compact Package: The device comes in a 24-pin QFN package, suitable for space-constrained applications.

Applications:

The LTC4156IUFD#PBF is versatile and can be utilized in a variety of portable electronic devices, including:

• Portable Medical Equipment
• Handheld Instruments
• Industrial Handhelds
• USB-Powered Gadgets
• Personal Communication Devices

Quality and Reliability:

Linear Technology ensures that the LTC4156IUFD#PBF meets the highest quality and reliability standards, providing robust power management solutions that designers can trust for their critical applications.