DS2784_09 datasheet(2/42 Pages) MAXIM

2 / 42 page

DS2784: 1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication

2 of 42

ABSOLUTE MAXIMUM RATINGS

Voltage Range on PLS Pin Relative to VSS

-0.3V to +18V

Voltage Range on CP Pin Relative to VSS

-0.3V to +12V

Voltage Range on DC Pin Relative to VSS

-0.3V to (CP + 0.3V)

Voltage Range on CC Pin Relative to VSS

VDD - 0.3V to CP + 0.3V

Voltage Range on All Other Pins Relative to VSS

-0.3V to +6.0V

Maximum Voltage Range on VIN Pin Relative to VDD

VDD + 0.3V

Continuous Sink Current, PIO, DQ

20mA

Continuous Sink Current, CC, DC

10mA

Operating Temperature Range

-40°C to +85°C

Storage Temperature Range

-55°C to +125°C

Soldering Temperature (10s)

Refer to the IPC/JEDEC 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.

ELECTRICAL CHARACTERISTICS

(VDD = 2.5V to 4.6V, TA = -20C to +70C, unless otherwise noted. Typical values are at TA = +25C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VDD

(Note 1)

+2.5

+4.6

IDD0

Sleep mode

IDD1

Sleep mode, VDD = 2.5V

C to +50C

0.4

1.5

IDD2

Active mode

125

A

Supply Current

IDD3

Active mode during SHA

computation

300

500

A

Temperature Accuracy

-3

Temperature Resolution

0.125

Temperature Range

-128.000

+127.875

4.0 ≤ VIN ≤ 4.6,

VIN ≤ VDD + 0.3V

-30

Voltage Accuracy, VIN

2.5 ≤ VIN ≤ 4.6V,

VIN ≤ VDD + 0.3V

-50

+50

Voltage Resolution, VIN

4.88

Voltage Range, VIN

4.6

Input Resistance, VIN



Current Resolution

1.56

V

Current Full Scale

-51.2

+51.2

Current Gain Error

-1

% full

scale

Current Offset

(Notes 2, 3, 4)

-15

+25

V

Accumulated Current Offset

(Notes 2, 3, 4)

-360

Vh/day

0ºC ≤ TA ≤ +50ºC

-2

Time Base Error

-3

CP Output Voltage

VCP

ICC + IDC = 0.9µA

8.50

9.25

10.00

CP Startup Time

tSCP

CE = 0, DE = 0,

CCP = 0.1µF, Active mode

200

Output High: CC, DC

VOHCC

VOHDC

IOH = -100µA (Note 5)

VCP - 0.4

Output Low: CC

VOLCC

IOL = 100µA

VDD + 0.1

Output Low: DC

VOLDC

IOL = 100µA

0.1

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