This design note describes a dual smart battery charger for use in server battery backup. The circuit can charge batteries at up to 4A and switch continuously down to zero load currents. The circuit takes advantage of ceramic capacitors’ space saving features without sacrificing circuit performance.
This document is a design note (Design Note 342) detailing the application of the LTC1760 Dual Smart Battery Charger. It highlights the device's ability to charge batteries with up to 4A and switch continuously down to zero load currents, utilizing ceramic capacitors for space saving.
The LTC1760 complies with the Smart Battery System Manager (SBSM) specification V1.1 and offers a wide input and charge output voltage range of 6V to 28V. Key features include precision current and voltage accuracies of 0.2%, low dropout operation, and unique protection systems such as a special current limit and voltage limit system to prevent SMBus data corruption.
This circuit can charge batteries with up to 4A.
The device has a wide input and charge output voltage range of 6V to 28V.
No, it operates in a standalone Level 3 Bus Master mode without requiring any host processor.