BQ2158B- Datasheet

IC型號(hào)：
BQ2158B-
PDF描述：
Three or Four Series Cell Li-Ion Pack Supervisor Module
文件大?。?/label>
573.08KB
PDF頁(yè)數(shù)：
8頁(yè)
芯片廠家：
TI

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bq2158

Features

盲

Three or Four Series Cell

Li-Ion Pack Supervisor Module

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

鈥?/div>

Direct connection for series battery terminals

Measures 2.10 X 0.70 inches

盲

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-

cu rr en t c on d i ti o n s. T he b o a r d p r o v id es d ir ec t

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.

Unitrode configures the bq2158 based on the informa-

tion in Table 1.

Pin Descriptions

B1P

B1N

B2N

B3N

B4N

POS

NEG

Battery 1 positive input/pack positive

Battery 1 negative input

Battery 2 negative input

Battery 3 negative input

Battery 4 negative input

Pack positive

Pack negative

5/99 B

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