VDD

V5

V4

V3

OUT

VSS

V1

V2

CIN

Cell5

Cell4

Cell3

Cell2

RVD

CVD

Cell1

RIN

CIN

CIN

CIN

CIN

RIN

RIN

RIN

RIN

bq771800, bq771801

bq771802, bq771803

www.ti.com

SLUSAX1 – DECEMBER 2012

APPLICATION INFORMATION

Figure 9. Application Configuration

NOTE

In the case of an Open Drain Active Low configuration, an external pull-up resistor is

required on the OUT terminal.

Changes to the ranges stated in Table 1 will impact the accuracy of the cell

measurements.

Changes to the ranges stated in Table 1 will impact the accuracy of the cell measurements. Figure 9 shows each

external component.

Table 1. Parameters

PARAMETER

EXTERNAL COMPONENT

MIN

NOM

MAX

UNIT

Voltage monitor filter resistance

RIN

900

1000

1100

Ω

Voltage monitor filter capacitance

CIN

0.01

0.1

µF

Supply voltage filter resistance

RVD

100

1K

Ω

Supply voltage filter capacitance

CVD

0.1

µF

CD external delay capacitance

0.1

1

µF

OUT Open drain version pull-up resistance

100

k

Ω

to PACK+

NOTE

trigger level.

Copyright © 2012, Texas Instruments Incorporated

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