LTC2941-1I View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2941-1I' PDF : 16 Pages View PDF
LTC2941-1
Absolute Maximum Ratings
(Notes 1, 2)
Supply Voltage (SENSE+)............................. –0.3V to 6V
SCL, SDA, AL/CC.......................................... –0.3V to 6V
Sense Current (into SENSE–).....................................±2A
Operating Ambient Temperature Range
LTC2941-1C.............................................. 0°C to 70°C
LTC2941-1I........................................... –40°C to 85°C
Storage Temperature Range..................... –65°C to 150°
Pin Configuration
SENSE+ 1
GND 2
SCL 3
TOP VIEW
7
6 SENSE–
5 AL/CC
4 SDA
DCB PACKAGE
6-LEAD (2mm s 3mm) PLASTIC DFN
TJMAX = 150°C, θJA = 160°C/W (NOTE 8)
EXPOSED PAD (PIN 7): DO NOT CONNECT
Order Information
Lead Free Finish
TAPE AND REEL (MINI) TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
LTC2941CDCB-1#TRMPBF LTC2941CDCB-1#TRPBF LFKP
6-Lead (2mm × 3mm) Plastic DFN
LTC2941IDCB-1#TRMPBF LTC2941IDCB-1#TRPBF LFKP
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
Power Requirements
VSENSE+
ISUPPLY
Supply Voltage
Supply Current (Note 3)
Device On
2.7
5.5
70
100
l
120
Shutdown
l
2.5
Shutdown, VSENSE+ ≤ 4.2V
1
VUVLO
Undervoltage Lockout Threshold
Coulomb Counter
VSENSE+ Falling
l 2.5
2.6
2.7
ISENSE–
Sense Current
l
±1
RSENSE
RPP
Internal Sense Resistance
Pin-to-Pin Resistance from SENSE+ to (Note 7)
SENSE–
50
50
74
100
qLSB
Charge LSB (Note 4)
TCE
Total Charge Error (Note 5)
Prescaler M = 128 (Default)
0.2A ≤ |ISENSE | ≤ 1A DC
0.085
±1
0.2A ≤ |ISENSE | ≤ 1A DC, 0°C to 70°C
±1.8
0.02A ≤ |ISENSE | ≤ 1A DC (Note 7)
l
±2.8
Vbat Alert Vbat Alert Threshold
VSENSE– Falling, B[7:6] = 01, ISENSE– = 0A l 2.75
2.8
2.85
VSENSE– Falling, B[7:6] = 10, ISENSE– = 0A l 2.85
2.9
2.95
VSENSE– Falling, B[7:6] = 11, ISENSE– = 0A l 2.95
3
3.05
UNITS
V
µA
µA
µA
µA
V
A
mΩ
mΩ
mAh
%
%
%
V
V
V
29411f
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