DS2756: High-Accuracy Battery Fuel Gauge with Programmable Suspend Mode

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ABSOLUTE MAXIMUM RATINGS

-0.3V to +12V

-0.3V to +6V

Continuous Sink Current, DQ, PIO

12mA

Operating Temperature Range

-40°C to +85°C

Storage Temperature Range

-55°C to +125°C

Soldering Temperature

See J-STD-020A Specification

This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation

sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

(3.0V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

(Note 1)

+3.0

+4.5

V

Data Pin

DQ

(Note 1)

-0.3

+5.5

V

(Note 1)

-0.3

+4.5

V

DC ELECTRICAL CHARACTERISTICS

(3.0V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

75

100

A

Active Mode

Supply Current

120

Sleep Mode

Supply Current

DQ = 0V, PIE = 00b

1

3

A

Suspend Mode

Supply Current

DQ = 0V, PIE ≠ 00b

(Note 11)

1.5

4

A

Current Measurement Input

Range

(Note 2)

64

mV

Current Register Offset

Error

(Note 4)

±7.813

V/R

Current Gain Error

(Notes 2, 5)

1

%

reading

24 Hour Accumulated

Current Error

(Notes 2, 3, 6)

-200

-100

0

µVhr/R

Current Sampling

Frequency

1456

Hz

IS1-VSS, IS2-SNS Filter

Resistors

+25

C

10

k



5

M



Voltage Offset Error

(Note 7)

5

mV

Voltage Gain Error

2

%V

reading

Temperature Error

(Note 8)

3

C

Input Logic High: DQ, PIO

(Note 1)

1.5

V

Input Logic Low: DQ, PIO

(Note 1)

0.4

V

Output Logic Low: DQ, PIO

0.4

V

DQ Pulldown Current

1

A

DQ Capacitance

60

pF

DQ Low-to-Sleep Time

2.1

s

Suspend Period Accuracy

0

30

%

Minimum Active Mode

87

90

93

ms