MAX8731AE TI QFN28

توضیحات

The MAX8731A is an SMBusTM programmable multi

chemistry battery charger. The MAX8731A uses a mini

mal command set to easily program the charge voltage

charge current, and adapter current limit

The MAX8731A charges one to four Li+ series cells and

delivers up to 8A charge current. The MAX8731A drives

n-channel MOSFETs for improved efficiency and

reduced cost. Low-offset current-sense amplifiers pro

vide high accuracy with 10mΩ sense resistors

The MAX8731A current-sense amplifiers provide high

accuracy (3% at 3.5A) and also provide fast cycle-by

cycle current-mode control to protect against battery
short circuit and system load transients.
The charger employs dual remote sense, which reduces
charge time by measuring the feedback voltage directly
at the battery, improving accuracy of initial transition into
constant-voltage mode. The MAX8731A provides 0.5%
battery voltage accuracy directly at the battery terminal.