DS2792 datasheet(2/40 Pages) MAXIM

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DS2792 Programmable Fuel Gauge with UART Interface

2 of 40

ABSOLUTE MAXIMUM RATINGS

VDD, VIN2 to VSS....................................................................................................................................... -0.3V to +12V

P0.4, P0.5 to VSS................................................................................................................................ -0.3V to VB +0.3V

AVSS to VSS .............................................................................................................................................. -0.3V to +0.3V

All Other Pins to VSS .................................................................................................................................. -0.3V to +6V

TXD, P0.0–P0.5 Continous Sink Current ............................................................................... 20mA Each, 50mA Total

Operating Temperature Range.............................................................................................................. -40ºC to +85ºC

Storage Temperature Range ...............................................................................................................-55ºC to +125ºC

Soldering Temperature ................................................................................See IPC/JEDEC J-STD-020 Specification

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 beyone those indicated in the operational sections of the specifications is

not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.

RECOMMENDED DC OPERATING CHARACTERISTICS

(VDD = 2.5V to 10V, TA = -20°C to +70°C, unless otherwise noted. Typical values are at TA = +25°C, VDD = 5.0V.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VDD

(Note 1)

+2.5

+10

Voltage Range: VIN1, TXD, RXD,

P0.0–P0.3, SNS1, SNS2

(Note 1)

-0.3

5.5

Voltage Range: P0.4–P0.5

(Note 1)

-0.3

VB + 0.3

Voltage Range: VIN2

(Note 1)

-0.3

+10

Voltage Range: Vx

(Note 1)

-0.3

VB + 0.3

Output Voltage: VB

VVB

VDD > 3.5V, IO = 2mA,

(Note 1)

3.0

3.3

3.6

ELECTRICAL CHARACTERISTICS

(VDD = 2.5V to 10V, TA = -20°C to +70°C, unless otherwise noted. Typical values are at TA = +25°C, VDD = 5.0V.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ISLEEP

SLEEP mode

(Note 2)

ISUSP

SUSPEND mode

(Note 3)

IANALOG

ANALOG mode

(Note 4)

110

145

Supply Current

ICPU

CPU mode

(Note 5)

0.8

1.5

Power-On Reset Threshold

VRESET

1.0

1.6

2.2

Brownout Threshold

VBO

(Note 10)

2.0

2.2

2.4

Regulator Drop-Out

VDO:VB

VDD = 2.5V,

IVB = 2.0mA, (Note 6)

0.15

Current Measurement Input

Range

IFS

VIS1–VIS2

-64

+64

Current Measurement Resolution

ILSB

15.625

PV/RSNS

oC T

A +50

-0.5

+0.5

Current Measurement Gain Error

IGERR

-1

% Full

Scale

Current Measurement Offset Error

IOERR

-7.8

+7.8

PV/RSNS

Accumulated Current Range

qFS

-204.8

+204.8

mVh/RSNS

Accumulated Current Resolution

qLSB

6.25

PVh/RSNS

OBEN = 1

-94

PVh/Day

Accumulated Current Offset

qCA

OBEN = 1,

RSNS = 0.015

-6.3

mAh/Day

Temperature Measurement

Range

TFS

-40

+85

Temperature Measurement LSb

TLSB

0.125

Temperature Measrement Error

TERR

-3

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