DS2755: High-Accuracy Battery Fuel Gauge with Snapshot

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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-020 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

(2.5V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

(Note 1)

2.5

5.5

V

Data Pin

DQ

(Note 1)

-0.3

+5.5

V

(Note 1)

-0.3

+5.5

V

DC ELECTRICAL CHARACTERISTICS

(2.5V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

75

100

μA

Active Current

110

Sleep-Mode Current

DQ = 0V (Note 3)

1

2

μA

Current Measurement

Input Range

(Note 2)

±64

mV

Current Register Offset

Error

(Note 5)

±7.813

μV

Current Gain Error

(Note 2, 6)

±1

%I

reading

24 Hour Accumulated

Current Error

(Note 2, 7, 4)

-200

-100

0

µVhr

Current Sampling

Frequency

1456

Hz

IS1-VSS, IS2-SNS Filter

Resistors

+25

°C

10

k

Ω

5

M

Ω

Voltage Offset Error

(Note 8)

±5

mV

Voltage Gain Error

±2

%V

reading

Temperature Error

(Note 9)

±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

(Note 1)

0.4

V

DQ Pulldown Current

1

μA

DQ Capacitance

60

pF

DQ Low-to-Sleep Time

2.1

s

Undervoltage Detect

(Note 1)

2.45

2.5

2.55

V

Undervoltage Delay

90

100

110

ms

0°C to +50°C (Note 10)

±1

±2

Internal Timebase

Accuracy

-20°C to +70°C

±3

%