VDD

V5

V4

V3

OUT

VSS

V1

V2

CIN

Cell5

Cell4

Cell3

Cell2

R

VD

CVD

Cell1

R

IN

CIN

CIN

CIN

CIN

R

IN

R

IN

R

IN

R

IN

bq771800, bq771801, bq771802

bq771803, bq771808, bq771809

SLUSAX1B – DECEMBER 2012 – REVISED OCTOBER 2013

www.ti.com

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.

8

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