General Description
The MAX8731 is an SMBus™ programmable multichemistry battery charger. The MAX8731 uses a minimal command set to easily program the charge voltage, charge current, and adapter current limit. The MAX8731 charges one to four Li+ series cells and delivers up to 8A charge current. The MAX8731 drives n-channel MOSFETs for improved efficiency and reduced cost. Low-offset current-sense amplifiers provide high accuracy with 10mΩ sense resistors.

FEATUREs
♦0.5% Battery Voltage Accuracy
♦3% Input Current-Limit Accuracy
♦3% Charge-Current Accuracy
♦SMBus 2-Wire Serial Interface
♦Cycle-by-Cycle Current Limit
   Battery Short-Circuit Protection
   Fast Response for Pulse Charging
  Fast System-Load-Transient Response
♦Dual-Remote-Sense Inputs
♦Monitor Outputs for Adapter Current (4% Accuracy) AC Adapter Detection
♦11-Bit Battery Voltage Setting
♦6-Bit Charge-Current/Input-Current Setting
♦8A (max) Battery Charger Current
♦11A (max) Input Current
♦+8V to +26V Input Voltage Range
♦Charges Li+, NiMH, and NiCd Battery Chemistries MAX8731