BQ2158TB-XXX Datasheet

IC型號(hào)：
BQ2158TB-XXX
PDF描述：
Two Series Cell Li-Ion Pack Supervisor Module
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462.88KB
PDF頁(yè)數(shù)：
8頁(yè)
芯片廠家：
TI

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Preliminary

bq2158T

Two Series Cell

Li-Ion Pack Supervisor Module

Features

盲

Complete and compact lithium-ion pack supervisor

Provides overvoltage, undervoltage, and

overcurrent protection for two series Li-Ion cells

Combines bq2058T with charge/discharge control

FETs

Low side low on-resistance FETs

Designed for battery pack integration

鈥?/div>

盲

Direct connection for series battery terminals

Measures 1.70 X 0.70 inches

Low standby and operating currents

General Description

The bq2158T provides a complete solution for the super-

vision of two series Li-Ion cells. Designed for battery

pack integration, the bq2158T incorporates a bq2058T

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 bq2058T

data sheet for specific information on the operation of

the bq2058T.

Unitrode configures the bq2158T based on the informa-

tion in Table 1.

Pin Descriptions

B1P

B1N

B2N

POS

NEG

Battery 1 positive input

Battery 1 negative input

Battery 2 negative input

Pack positive

Pack negative

4/99

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