Datasheet > A7BW02ZA

A7BW02ZA

更新时间： 2022-06-01 16:44:49

品牌	Logo	应用领域
安纳森 - ANASEM		/
页数	文件大小	规格书
23页	223K
描述
Single-cell Li-ion / Li-polymer Single-cell Li-ion / Li-polymer

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A7BW02ZA 数据手册

Single-cell Li-ion / Li-polymer Battery Protection IC

Rev. E09-06

A7B Series

TYPICAL CONNECTION DIAGRAM

VDD

Battery

VSS

EXTERNAL COMPONENTS

Min.

100ꢀ

0.01µF

500ꢀ

Items

Symbol

Recommended value

Max.

1.0Kꢀ

1.0µF

6.0Kꢀ

Resistor 1

Capacitor 1

Resistor 2

330ꢀ

0.1µF

3.9Kꢀ

The supply voltage (VDD) to this IC is stabilized by R1 and C1. Moreover, R1 and R2 act as the current

restriction resistances at the time of reverse-connecting a charger, or at the time of connecting a charger which

outputs the voltage exceeding the absolute maximum rating of this IC. Please be sure to connect these

components.

If the value of R1 is too large, the over-charge detection voltage and the over-discharge detection voltage will

become high due to the current consumption of this IC. Please use the value within the limits shown in the table.

330ꢀ is recommended.

If the value of C1 is too small, this IC may be in a shutdown state at the time of the discharge over-current or the

load short-circuiting. Please use the value within the limits shown in the table for stable operation. 0.1μF is

recommended.

Please use the value within the limits shown in the table about the value of R2. In order to reduce the current at

the time of reverse-connecting a charger, we recommend you to choose R1 and R2 so that the sum total become

more than 4Kꢀ. The recommended value of R2 is 3.9Kꢀ.

Note)

The connection diagram and each value of external components shown above are just recommendation.

Including a battery and FETs, please determine the circuit after sufficient evaluation about your actual

application.

AnaSem Inc.

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