LTC2941CDCB datasheet(2/16 Pages) LINER

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LTC2941

2941f

Supply Voltage (SENSE+)............................. –0.3V to 6V

SCL, SDA, AL/CC ......................................... –0.3V to 6V

SENSE– .................................. –0.3V to (VSENSE+ + 0.3V)

Operating Ambient Temperature Range

LTC2941C ................................................ 0°C to 70°C

LTC2941I.............................................. –40°C to 85°C

Storage Temperature Range..................... –65°C to 150°

(Notes 1, 2)

TOP VIEW

SENSE–

AL/CC

SDA

SENSE+

GND

SCL

DCB PACKAGE

6-LEAD (2mm × 3mm) PLASTIC DFN

GND

TJMAX = 150°C, θJA = 120°C/W

EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB OR LEFT FLOATING

ORDER INFORMATION

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. (Note 2)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Requirements

VSENSE+

Supply Voltage

2.7

5.5

ISUPPLY

Supply Current (Note 3)

Device On

100

μA

Shutdown

2.5

μA

Shutdown, VSENSE+ ≤ 4.2V

μA

VUVLO

Undervoltage Lockout Threshold

VSENSE+ Falling

2.5

2.6

2.7

Coulomb Counter

VSENSE

Sense Voltage Differential Input Range

VSENSE+ – VSENSE–

±50

Differential Input Resistance, Across

SENSE+ and SENSE– (Note 7)

400

kΩ

qLSB

Charge LSB (Note 4)

Prescaler M = 128 (Default),

RSENSE = 50mΩ

0.085

mAh

TCE

Total Charge Error (Note 5)

10mV ≤ |VSENSE | ≤ 50mV DC

±1

10mV ≤ |VSENSE | ≤ 50mV, DC VSENSE+ ≤ 4.2V

±1.5

1mV ≤ |VSENSE | ≤ 50mV DC (Note 7)

±3.5

Vbat Alert

Vbat Alert Threshold

VSENSE+ Falling, B[7:6] = 01

2.75

2.8

2.85

VSENSE+ Falling, B[7:6] = 10

2.85

2.9

2.95

VSENSE+ Falling, B[7:6] = 11

2.95

3.05

Lead Free Finish

TAPE AND REEL (MINI)

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC2941CDCB#TRMPBF

LTC2941CDCB#TRPBF

LFKQ

6-Lead (2mm × 3mm) Plastic DFN

0°C to 70°C

LTC2941IDCB#TRMPBF

LTC2941IDCB#TRPBF

LFKQ

6-Lead (2mm × 3mm) Plastic DFN

–40°C to 85°C

TRM = 500 pieces. *Temperature grades are identiﬁed by a label on the shipping container.

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

Consult LTC Marketing for information on lead based ﬁnish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel speciﬁcations, go to: http://www.linear.com/tapeandreel/

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