Datasheet Analog Devices LTC3337ERC#TRMPBF — Datenblatt

LTC3337
Primary Battery SOH Monitor with
Precision Coulomb Counter
FEATURES DESCRIPTION Battery Input Voltage Range: 1.8V to 5.5V
n 100nA Quiescent Current
n 8 Primary Battery Peak Input Current Limits:
5mA/10mA/15mA/20mA/25mA/50mA/75mA/100mA
n SOH Monitor for Primary Battery
n Integrated Coulomb Counter (Q)
n Additional Monitors for Battery Voltage (V),
Battery Impedance (Z), and Temperature (T)
n Primary Battery Current (BAT_IN) or Load Current
(BAT_OUT) is Counted
n Integrated ±10mA Supercapacitor Balancer
n Programmable Coulomb Counter Prescaler for Wide
Range of Battery Sizes
n Programmable Discharge Alarm Threshold with
Interrupt Output
n I2C Interface
n Tiny 12-Lead 2mm × 2mm LFCSP The LTC®3337 is a primary battery state of health (SOH)
monitor with a built-in precision coulomb counter. It is
designed to be placed in series with a primary battery
with minimal associated series voltage drop. The patented infinite dynamic range coulomb counter tallies ALL …