BQ2158MODULE datasheet(7/8 Pages) TI

Part #	BQ2158MODULE

Description	Three or Four Series Cell Li-Ion Pack Supervisor Module

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Manufacturer	TI [Texas Instruments]

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DC Thresholds (TA =TOPR)

Symbol

Parameter

Value

Tolerance

Unit

Notes

VOV

Overvoltage threshold

4.25

± 50mV

V

VCE

Charge enable voltage

VOV - 100mV

± 50mV

V

VUV

Undervoltage limit

2.25

± 100mV

V

IOC

Overcurrent limit

3.4

A

TA = 25

°C

3.8

A

TA = 60

°C

tUVD

Undervoltage delay

950

±50%

ms

TA = 30°C

VCD

Charge detect threshold

70

-60, +80

mV

tOVD

Overvoltage delay

950

±50%

ms

TA = 30°C

tOCD

Overcurrent delay

12

±60%

ms

TA = 30°C

Note:

The thresholds above reflect the operation of a bq2158 using the standard bq2058 IC (VOV = 4.25V).

Specify other versions of the bq2058 by indicating the appropriate VOV threshold in Table 1.

bq2158

Ordering Information

Notes:

1.

Requires configuration sheet (Table 1)

2.

Example production part number: bq2158B-001

bq2158

B —

Customer Code:

Blank = Sample or Pre-production1

XXX = Customer-specific; assigned by Unitrode2

Package Option:

B = Board-level product

Device:

Three- or Four-Series Cell Li-Ion Supervisor Module

Change No.

Page No.

Description

Nature of Change

1

3

Table 2 pin connections

Clarified onboard bq2058 connection.

Note:

Change 1 = May 1999 B changes from July 1996.

Data Sheet Revision History

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