MAX745 - Switch-Mode Lithium-Ion Battery-Charger
The MAX745 provides all functions necessary for charging lithium-ion (Li+) battery packs.
It provides a regulated charging current of up to 4A without getting hot, and a regulated voltage with only ±0.75% total error at the battery terminals.
It uses low-cost, 1% resistors to set the output voltage,
MAX745 Features
* Charges 1 to 4 Li+ Battery Cells
* ±0.75% Voltage-Regulation Accuracy Using 1% Resistors
* Provides up to 4A without Excessive Heating
* 90% Efficient
* Uses Low-Cost Set Resistors and N-Channel Switch
* Up to 24V Input
* Up to 18V Ma
