AnaSem
Analog Semiconductor IC
A7B Series
Single-cell Li-ion / Li-polymer Battery Protection IC
Rev. E09-06
AnaSem In...
AnaSem
Analog Semiconductor IC
A7B Series
Single-cell Li-ion / Li-polymer Battery Protection IC
Rev. E09-06
AnaSem Inc.
.......... Future of the analog world
Rev. E09-06
AnaSem
Products Data Sheet Analog Semiconductor IC
Single-cell Li-ion / Li-polymer Battery Protection IC
A7B Series
GENERAL DESCRIPTIONS
The A7B series are protection ICs for rechargeable Li-ion / Li-polymer battery by high withstand
voltage CMOS process. These series protect single-cell Li-ion / Li-polymer battery from over-charge, over-discharge, charge over-current and discharge over-current.
HALOGEN RoHS
COMPLIANCE
FEATURES
z High accuracy detection
voltage ······ Over-charge detection Over-charge hysteresis Over-discharge detection Charge over-current detection Discharge over-current detection z Selectable detection
voltage ·············Over-charge detection Over-charge hysteresis Over-discharge detection Charge over-current detection Discharge over-current detection z Delay time (internal adjustment) ······ Over-charge detection delay time Over-discharge detection delay time Charge over-current detection delay time Discharge over-current detection delay time Load short-circuiting detection delay time Release delay time 1 Release delay time 2 z z High withstand
voltage ····················· Absolute maximum rating Low current consumption ················· Operation Over-discharge condition z ±25mV (Topr = 25°C) ±30mV (Topr = –5°C ~ +55°C) ±25mV ±2.5% ±30mV ±20mV 4.0V ~ 4.5V (5mV step) 0.0V ~ 0....