The DC1356A, from Linear Technology, is a high-performance demonstration board for the LTC3455, a highly integrated power management and battery charger IC designed for single-cell Li-Ion/Polymer battery-powered applications. The LTC3455 integrates a switching PowerPath™ manager, a standalone battery charger, a 1A high efficiency synchronous buck regulator, and multiple LDOs, making it a versatile platform for portable power designs.

Key Features:

• Integrated Power Management: The LTC3455 at the heart of DC1356A features a full-featured power management system with independent voltage inputs for wall adapter and USB power, providing seamless transition between power sources.
• Efficient Battery Charging: The board supports a programmable battery float voltage and charge current with thermal regulation, ensuring safe and fast battery charging.
• Buck Regulator: The synchronous buck regulator is capable of delivering up to 1A of continuous output current with high efficiency, suitable for powering core system voltages.
• Multiple LDO Outputs: Includes a high-power LDO and a low noise LDO to provide additional regulated voltages, useful for powering sensitive analog circuits or RF components.
• PowerPath Control: The LTC3455's PowerPath control provides automatic switching between input power sources while preferentially providing power to the system load over charging the battery.

Applications:

DC1356A is ideal for a wide range of portable applications, including:

• Handheld Instruments
• Medical Devices
• Portable Media Players
• Personal Data Assistants (PDAs)
• Mobile Phones
• Digital Cameras

Design Support:

The demonstration board comes with comprehensive documentation, including schematics, layout files, and the datasheet for the LTC3455, providing designers with all the resources needed to customize and integrate the DC1356A into their specific applications.