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DS2764AX/T Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # DS2764AX/T
Description  High-Precision Li Battery Monitor with 2-Wire Interface
PDF  20 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS2764AX/T Datasheet(HTML) 3 Page - Maxim Integrated Products

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DS2764 High-Precision Li+ Battery Monitor With 2-Wire Interface
3 of 20
ELECTRICAL CHARACTERISTICS: PROTECTION CIRCUITRY
(2.5V
£ VDD £ 5.5V, TA = 0°C to +50°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
4.325
4.350
4.375
Overvoltage Detect
VOV
(Notes 1, 2)
4.250
4.275
4.300
V
Charge Enable
VCE
(Note 1)
4.10
4.15
4.20
V
Undervoltage Detect
VUV
(Note 1)
2.5
2.6
2.7
V
Overcurrent Detect
IOC
(Note 3)
1.8
1.9
2.0
A
Overcurrent Detect
VOC
(Notes 1, 4)
45
47.5
50
mV
Short-Circuit Detect
ISC
(Note 3)
5.0
8.0
11
A
Short-Circuit Detect
VSC
(Notes 1, 4)
150
200
250
mV
Overvoltage Delay
tOVD
0.8
1
1.2
s
Undervoltage Delay
tUVD
90
100
110
ms
Overcurrent Delay
tOCD
5
10
20
ms
Short-Circuit Delay
tSCD
160
200
240
ms
Test Threshold
VTP
0.5
1.0
1.5
V
Test Current
ITST
5
20
40
mA
ELECTRICAL CHARACTERISTICS: TEMPERATURE, VOLTAGE, CURRENT
(2.5V
£ VDD £ 5.5V, TA = -20°C to +50°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Temperature Resolution
TLSB
0.125
°C
Temperature Full-Scale Magnitude
TFS
127
°C
Temperature Error
TERR
(Note 5)
±3
°C
Voltage Resolution
VLSB
4.88
mV
Voltage Full-Scale Magnitude
VFS
4.75
V
Voltage Gain Error
VGERR
5
%
(Note 3)
0.625
mA
Current Resolution
ILSB
(Note 4)
15.625
mV
(Notes 3, 6)
1.9
2.56
A
Current Full-Scale Magnitude
IFS
(Note 4)
64
mV
Current Offset Error
IOERR
(Note 7)
1
LSB
(Notes 3, 8, 9)
10
Current Gain Error
IGERR
(Note 4)
2
%
(Note 3)
0.25
mAh
Accumulated Current Resolution
qCA
(Note 4)
6.25
µVhr
Current Sampling Frequency
fSAMP
1456
Hz
tERR1
(Note 10)
±1
±3
%
Internal Timebase Accuracy
tERR2
(Note 10)
±6.5
%



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