General Description
The RT9516 is a fully integrated low cost single-cell Li-Ion battery charger ideal for portable applications. The RT9516 is capable of being powered up from AC adapter and USB (Universal Serial Bus) port inputs. The RT9516 enters sleep mode when supplies are removed. The RT9516 optimizes the charging task by using a control algorithm including preconditioning mode, fast charge mode and constant voltage mode.

Features
• 28V Maximum Rating for AC Adapter
• Internal Integrated Power MOSFETs
• AC Adapter Power Good Status Indicator
• Programmed Charging Current
• Output for Auto-Booting
• Under Voltage Protection
• Over Voltage Protection
• Thermal Feedback Optimizing Charge Rate
• RoHS Compliant and Halogen Free

Applications
• Cellular Phones
• Digital Cameras
• PDAs and Smart Phones
• Probable Instruments