MAX745
Overview
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.
- 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 Maximum Battery Voltage *
- 300kHz Pulse-Width Modulated (PWM) Operation
- Low-Noise, Small Components *
- Stand-Alone Operation-No Microcontroller Needed
