BQ2158B-

更新时间： 2024-11-05 22:17:39

品牌	Logo	应用领域
德州仪器 - TI		电池监控
页数	文件大小	规格书
8页	573K
描述
Three or Four Series Cell Li-Ion Pack Supervisor Module

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中文翻译

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数据手册

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BQ2158B- 数据手册

bq2158

Three or Four Series Cell

Li-Ion Pack Supervisor Module

Features

Complete and compact lithium-ion pack supervisor

Provides overvoltage, undervoltage, and

overcurrent protection for three or four series

Li-Ion cells

Combines bq2058 with charge/discharge control

FETs

High side low on-resistance FETs

Designed for battery pack integration

–

Direct connection for series battery terminals

Measures 2.10 X 0.70 inches

Low standby and operating currents

General Description

The bq2158 provides a complete solution for the supervi-

sion of three or four series Li-Ion cells. Designed for bat-

tery pack integration, the bq2158 incorporates a bq2058

Pack Supervisor, two FETs, and all other components re-

quired to monitor overvoltage, undervoltage, and over-

current conditions. The board provides direct

connections for the negative and positive terminals of

each cell. See Figure 1. Please refer to the bq2058 data

sheet for specific information on the operation of the

bq2058.

Pin Descriptions

Battery 1 positive input/pack positive

B1P

B1N

B2N

B3N

B4N

POS

NEG

Battery 1 negative input

Battery 2 negative input

Battery 3 negative input

Battery 4 negative input

Pack positive

Unitrode configures the bq2158 based on the informa-

tion in Table 1.

Pack negative

5/99 B

12 3 4 5 6 7 8

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