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Lithium Battery Management IC
TMI4302-2-5 lithium battery secondary protection chip
Lithium polymer rechargeable battery pack
TMI4302 is a secondary protection chip specially designed to protect 2 strings, 3 strings, 4 strings or 5 strings lithium-ion/polymer batteries, which can reduce the risk of battery damage or shortened life due to battery overcharge.
The TMI4302 ultra-small MSOP8 package and minimal external component requirements make it easy to integrate the chip into a limited battery pack.
The TMI4302 ultra-small MSOP8 package and minimal external component requirements make it easy to integrate the chip into a limited battery pack.
Hotline:138 2870 3807
Description
Overview
TMI4302 is a secondary protection chip designed to protect 2-string, 3-string, 4-string or 5-string lithium-ion/polymer batteries, which can reduce the risk of battery damage or shortened life due to battery overcharge.
The TMI4302 ultra-small MSOP8 package and minimal external component requirements make it easy to integrate the chip into a limited battery pack.
application
notebook
electrical tools
backup power
Lithium polymer rechargeable battery pack
Features
Built-in high-precision voltage detection circuit:
Overcharge detection voltage
High voltage section: VOV=3.800V to 4.000V; 25mV/step
Accuracy: ±25mV
Built-in overcharge extension
Low current consumption:
1uA (typical value), 3uA (maximum) (All CELL@VCELL= 3.5V)
0.5uA (typical value), 1.5uA (maximum)
(All CELL@VCELL = 2V)
TMI4302 is a secondary protection chip designed to protect 2-string, 3-string, 4-string or 5-string lithium-ion/polymer batteries, which can reduce the risk of battery damage or shortened life due to battery overcharge.
The TMI4302 ultra-small MSOP8 package and minimal external component requirements make it easy to integrate the chip into a limited battery pack.
application
notebook
electrical tools
backup power
Lithium polymer rechargeable battery pack
Features
Built-in high-precision voltage detection circuit:
Overcharge detection voltage
High voltage section: VOV=3.800V to 4.000V; 25mV/step
Accuracy: ±25mV
Built-in overcharge extension
Low current consumption:
1uA (typical value), 3uA (maximum) (All CELL@VCELL= 3.5V)
0.5uA (typical value), 1.5uA (maximum)
(All CELL@VCELL = 2V)
Tel：138 2870 3807
Wechat：HLECSIT
Address：5 / F, building 1, yibaolai industrial town, Fuyong Fuhai street, Bao'an District, Shenzhen