參數(shù)資料
型號(hào)： LTC2942CDCB-1#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PDSO6
封裝： 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6
文件頁(yè)數(shù)： 9/16頁(yè)
文件大?。?/td> 230K
代理商： LTC2942CDCB-1#TRPBF
LTC2942-1
29421f
Supply Voltage (SENSE+)............................. –0.3V to 6V
SCL, SDA, AL/CC ......................................... –0.3V to 6V
Sense Current (into SENSE–)....................................±2A
Operating Ambient Temperature Range
LTC2942-1C ............................................. 0°C to 70°C
LTC2942-1I .......................................... –40°C to 85°C
Storage Temperature Range................... –65°C to 150°C
(Notes 1, 2)
TOP VIEW
SENSE–
AL/CC
SDA
SENSE+
GND
SCL
DCB PACKAGE
6-LEAD (2mm 3mm) PLASTIC DFN
4
5
7
6
3
2
1
TJMAX = 150°C, θJA = 160°C/W (Note 9)
EXPOSED PAD (PIN 7): DO NOT CONNECT
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
V
ISUPPLY
Supply Current (Note 3)
Battery Gas Gauge On, ADC Sleep
l
70
100
120
A
Battery Gas Gauge On, ADC Converting Voltage
l
300
400
A
Battery Gas Gauge On, ADC Converting Temperature l
350
450
A
Shutdown
l
2.5
A
Shutdown, VSENSE+ ≤ 4.2V
1
A
VUVLO
Undervoltage Lockout Threshold VSENSE+ Falling
l
2.5
2.6
2.7
V
Coulomb Counter
ISENSE–
Sense Current
l
±1
A
RSENSE
Internal Sense Resistance
50
mΩ
RPP
Pin-to-Pin Resistance from
SENSE+ to SENSE–
(Note 8)
50
74
100
mΩ
qLSB
Charge LSB (Note 4)
Prescaler M = 128 (Default)
0.085
mAh
TCE
Total Charge Error (Note 5)
0.2A ≤ |ISENSE–| ≤ 1A DC
±1
%
0.2A ≤ |ISENSE–| ≤ 1A DC, 0°C to 70°C
±1.8
%
0.02A ≤ |ISENSE–| ≤ 1A DC (Note 8)
l
±2.8
%
Lead Free Finish
TAPE AND REEL (MINI)
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2942CDCB-1#TRMPBF LTC2942CDCB-1#TRPBF
LDYR
6-Lead (2mm
× 3mm) Plastic DFN
0°C to 70°C
LTC2942IDCB-1#TRMPBF LTC2942IDCB-1#TRPBF
LDYR
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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