Description

The MAX1645BEEI is a high-efficiency battery charger designed for charging batteries of any chemistry type. It utilizes the Intel System Management Bus (SMBus) to control voltage and current charge outputs. Whether it's charging lithium-ion (Li+) batteries or other chemistries like NiCd, NiMH, or Lead Acid, the MAX1645BEEI provides a reliable and efficient charging solution. With its input current limiting and 175s charge safety timeout, it ensures safe and controlled charging. The MAX1645BEEI is ideal for applications such as notebook computers, point-of-sale terminals, and personal digital assistants.

Specifications and features

- Input Current Limiting
- 175s Charge Safety Timeout
- 128mA Wake-Up Charge
- Charges Any Chemistry Battery: Li+, NiCd, NiMH, Lead Acid, etc.
- Intel SMBus 2-Wire Serial Interface
- Compliant with Level 2 Smart Battery Charger Spec Rev. 1.0
- +8V to +28V Input Voltage Range
- Up to 18.4V Battery Voltage
- 11-Bit Battery Voltage Setting
- ±0.8% Output Voltage Accuracy with Internal Reference
- 3A max Battery Charge Current
- 6-Bit Charge Current Setting
- 99.99% max Duty Cycle for Low-Dropout Operation
- Load/Source Switchover Drivers
- >97% Efficiency

Application Scenarios

- Notebook Computers
- Point-of-Sale Terminals
- Personal Digital Assistants

Comparison