LTC2941CDCB-TRPBF View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2941CDCB-TRPBF' PDF : 16 Pages View PDF
LTC2941
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
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°
PIN CONFIGURATION
SENSE+ 1
GND 2
SCL 3
TOP VIEW
7
GND
6 SENSE–
5 AL/CC
4 SDA
DCB PACKAGE
6-LEAD (2mm × 3mm) PLASTIC DFN
TJMAX = 150°C, θJA = 120°C/W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB OR LEFT FLOATING
ORDER INFORMATION
Lead Free Finish
TAPE AND REEL (MINI) TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
LTC2941CDCB#TRMPBF LTC2941CDCB#TRPBF LFKQ
6-Lead (2mm × 3mm) Plastic DFN
LTC2941IDCB#TRMPBF LTC2941IDCB#TRPBF LFKQ
6-Lead (2mm × 3mm) Plastic DFN
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/
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
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+
ISUPPLY
Supply Voltage
Supply Current (Note 3)
Device On
Shutdown
2.7
5.5
V
l
70
100
μA
l
2.5
μA
VUVLO
Undervoltage Lockout Threshold
Coulomb Counter
Shutdown, VSENSE+ ≤ 4.2V
VSENSE+ Falling
1
μA
l
2.5
2.6
2.7
V
VSENSE
Sense Voltage Differential Input Range VSENSE+ – VSENSE–
l
±50
mV
Differential Input Resistance, Across
SENSE+ and SENSE– (Note 7)
400
kΩ
qLSB
Charge LSB (Note 4)
TCE
Total Charge Error (Note 5)
Vbat Alert Vbat Alert Threshold
Prescaler M = 128 (Default),
RSENSE = 50mΩ
0.085
mAh
10mV ≤ |VSENSE | ≤ 50mV DC
±1
%
10mV ≤ |VSENSE | ≤ 50mV, DC VSENSE+ ≤ 4.2V l
±1.5
%
1mV ≤ |VSENSE | ≤ 50mV DC (Note 7)
l
±3.5
%
VSENSE+ Falling, B[7:6] = 01
l 2.75
2.8
2.85
V
VSENSE+ Falling, B[7:6] = 10
l 2.85
2.9
2.95
V
VSENSE+ Falling, B[7:6] = 11
l 2.95
3
3.05
V
2941f
2
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