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Application example figure 2, Pack+ charge source pack- data, Ds2770 – Rainbow Electronics DS2770 User Manual

Page 5

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DS2770

5 of 27

APPLICATION EXAMPLE Figure 2

VDD

FMMT718

4403

UV
CC
VCH
SNS
SNS
SNS

IS2

NC

VIN

DQ

VSS
VSS
VSS

NC

IS1

Lithium

Protection

Circuit

4.7k

W

1k

W

1k

W

100

W

150

W

0.1

mF

0.1

mF

360

W

0.1

mF

R

SNS

(1)

150

W

PACK+

CHARGE
SOURCE

PACK-

DATA

R

SNS-INT

(2)

10

KW

10

KW

Voltage

Sense

DS2770

VSS

SNS

IS2

IS1

5.1V

1 — R

SNS

is present for external sense resistor configuration only.

2 — R

SNS-INT

is present for internal sense resistor configuration only.