LTC1980
Linear Technology
Demonstration circuit 532 is easy to set up to evaluate the performance of the LTC1980.
Design DocumentAnalog
Quick Start Guide for DC532: LTC1980 Regulator and Battery Charger Controller
Quick start guide for the DC532 demo board featuring the LTC1980, a bidirectional battery charger and DC/DC converter for 1- or 2-cell Li-ion systems.
Overview
The DC532 demonstration circuit is designed to evaluate the LTC1980, a flexible battery charger and DC/DC converter controller. The circuit accepts an input voltage of 3.5V to 6.5V to charge one or two Li-ion cells and provide a regulated 3.3V output. Utilizing a synchronous flyback topology, the LTC1980 supports bidirectional power flow, allowing the battery to power the 3.3V output when the input adapter is removed. The design supports both 4.1V and 4.2V chemistries and can charge an 8.4V battery from a 5V source. Key features include constant-current/constant-voltage charging, timer termination, trickle charge threshold detection, and C/10 detection.
Use Cases
- 1-cell or 2-cell Li-ion battery charging
- Portable device power supply with battery backup
- Bidirectional power conversion systems
- Regulated 3.3V power rails for handheld electronics
Topics
LTC1980
DC532
Li-ion battery charger
synchronous flyback converter
bidirectional DC/DC converter
battery management
3.3V regulator
Linear Technology
Referenced Parts
| LTC1980 | Linear Technology | Demonstration circuit 532 is easy to set up to evaluate the performance of the LTC1980. |