VDD

V5

V4

V3

OUT

VSS

V1

V2

Cell5

Cell4

Cell3

Cell2

R

VD

C VD

Cell1

CIN

R

IN

R

IN

R

IN

R

IN

R

IN

CIN

CIN

CIN

CIN

bq771800, bq771801, bq771802

bq771803, bq771807, bq771808

bq771809, bq771815

www.ti.com

SLUSAX1D – DECEMBER 2012 – REVISED NOVEMBER 2014

10 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

10.1 Application Information

In the case of an Open Drain Active Low configuration, an external pull-up resistor is required on the OUT pin.

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

Figure 8. Application Configuration

Changes to the ranges stated in Table 1 will impact the accuracy of the cell measurements. Figure 8 shows each

external component.

Table 1. Parameters

PARAMETER

EXTERNAL COMPONENT

MIN

NOM

MAX

UNIT

Voltage monitor filter resistance

900

1000

1100

Ω

Voltage monitor filter capacitance

0.01

0.1

µF

Supply voltage filter resistance

100

1K

Ω

Supply voltage filter capacitance

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.

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Product Folder Links: bq771800 bq771801 bq771802 bq771803 bq771807 bq771808 bq771809 bq771815