MAX17044 datasheet(2/14 Pages) MAXIM

Part #	MAX17044

Description	Compact, Low-Cost 1S/2S Fuel Gauges Compact, Low-Cost 1S/2S Fuel Gauges

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Compact, Low-Cost 1S/2S Fuel Gauges

with Low-Battery Alert

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(2.5V ≤ VDD ≤ 4.5V, TA = -20°C to +70°C, unless otherwise noted. Contact Maxim for VDD greater than 4.5V.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Voltage on CTG Pin Relative to VGND ....................-0.3V to +12V

Voltage on CELL Pin Relative to VGND...................-0.3V to +12V

Voltage on All Other Pins Relative to VGND..............-0.3V to +6V

Operating Temperature Range ...........................-40°C to +85°C

Storage Temperature Range .............................-55°C to +125°C

Lead Temperature (soldering, 10s) .................................+260°C

Soldering Temperature (reflow) .......................................+260°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Active Current

IACTIVE

50

75

µA

VDD = 2.0V

0.5

1.0

Sleep-Mode Current (Note 2)

ISLEEP

1

3

µA

VDD = 3.6V at +25°C

-1

+1

TA = 0°C to +70°C

-2

+2

Time-Base Accuracy

tERR

TA = -20°C to +70°C

-3

+3

%

TA = +25°C, VIN = VDD

-12.5

+12.5

MAX17043 Voltage-

Measurement Error

-30

+30

mV

TA = +25°C, 5.0V < VIN < 9.0V

-30

+30

MAX17044 Voltage-

Measurement Error

VGERR

5.0 < VIN < 9.0

-60

+60

mV

CELL Pin Input Impedance

RCELL

15

M

Input Logic-High:

SCL, SDA, QSTRT

VIH

(Note 1)

1.4

V

Input Logic-Low:

SCL, SDA, QSTRT

VIL

(Note 1)

0.5

V

Output Logic-Low: SDA

VOL

IOL = 4mA (Note 1)

0.4

V

Output Logic-Low:

ALRT

VOL-ALRT

IOL-ALRT = 2mA (Note 1)

0.4

V

Pulldown Current: SCL, SDA

IPD

VDD = 4.5V, VPIN = 0.4V

0.2

µA

Input Capacitance: SCL, SDA

CBUS

50

pF

Bus Low Timeout

tSLEEP

(Note 3)

1.75

2.5

s

Mode Transition

tTRAN

(Note 4)

1

ms

ELECTRICAL CHARACTERISTICS RECOMMENDED DC OPERATING CONDITIONS

(2.5V ≤ VDD ≤ 4.5V, TA = -20°C to +70°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VDD

(Note 1)

+2.5

+4.5

V

Data I/O Pins

SCL, SDA,

QSTRT,

ALRT

(Note 1)

-0.3

+5.5

V

MAX17043 CELL Pin

VCELL

(Note 1)

-0.3

+5.0

V

MAX17044 CELL Pin

VCELL

(Note 1)

-0.3

+10.0

V

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