Part number:
AN817
Manufacturer:
Vishay ↗ Siliconix
File Size:
40.02 KB
Description:
A discrete approach to battery charging.
Datasheet Details
Part number:
AN817
Manufacturer:
Vishay ↗ Siliconix
File Size:
40.02 KB
Description:
A discrete approach to battery charging.
AN817, A Discrete Approach to Battery Charging
AN817 Vishay Siliconix A Discrete Approach to Battery Charging for Cellular Phones Guy Moxey and Michael Speed INTRODUCTION All portable cordless appliances must receive power from an external source, whether it’s a wall cube adapter, car charger, or docking station.
This external source will then charge, in a predetermined fashion, the equipment’s internal battery.
In the case of a portable phone, the power management system will incorporate charging control circuitry to regulate the voltage
AN817 Features
* choice due to its small size and high energy density. Li+ cells are generally suited to a constant-current/constant-voltage charging strategy and although relatively simple to imple
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