Features
􀂄 High Detection Accuracy
-Over-charge Detection: ±25mV
-Over-discharge Detection: ±80mV
-Discharge Over-current Detection: ±25mV
􀂄 Discharge Over-current Protection
􀂄 High Withstand Voltage
-Absolute maximum ratings: 40V (VDD – VSS)
􀂄 Low Supply Current
-Supply current: 9μA (Typ.)
-Standby current: 0.1μA (Max.)
(Power Down Mode)
􀂄 Three Types of Current Protections
􀂄 Ultra Small Package
-TSSOP-16L
Description
The NT1775 protects lithium-ion/lithium-polymer
rechargeable battery in the abnormal events of
over-charge, over-discharge, discharging over-current
and for a 3/4-cell lithium-ion/lithium polymer battery
pack.
If any of above abnormal conditions occurred.
NT1775 would turn off the MOSFETs to protect
battery.
NT1775 would enter power down mode when
over-discharge protection occurs to minimize the
current consumption.
In general, NT1775 can be restored to normal mode
after short-circuit or reversely charging is removed. To
avoid hiccup reaction as protection is activated due to
the serious short-circuit and reversely-charging
conditions, NT1775 may enter power down mode
sometimes. It can be awaked with charger
reconnection.
The tiny package of 16 pin TSSOP is especially

 

 

 

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