DS2764AE 데이터 시트보기 (PDF) - Maxim Integrated
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DS2764AE Datasheet PDF : 20 Pages
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DS2764 High-Precision Li+ Battery Monitor With 2-Wire Interface
ELECTRICAL CHARACTERISTICS: PROTECTION CIRCUITRY
(2.5V £ VDD £ 5.5V, TA = 0°C to +50°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Overvoltage Detect
VOV
(Notes 1, 2)
4.325 4.350 4.375
V
4.250 4.275 4.300
Charge Enable
VCE
(Note 1)
4.10
4.15
4.20
Undervoltage Detect
VUV
(Note 1)
2.5
2.6
2.7
Overcurrent Detect
IOC
(Note 3)
1.8
1.9
2.0
Overcurrent Detect
VOC
(Notes 1, 4)
45
47.5
50
Short-Circuit Detect
ISC
(Note 3)
5.0
8.0
11
Short-Circuit Detect
VSC
(Notes 1, 4)
150
200
250
Overvoltage Delay
tOVD
0.8
1
1.2
Undervoltage Delay
tUVD
90
100
110
Overcurrent Delay
tOCD
5
10
20
Short-Circuit Delay
tSCD
160
200
240
Test Threshold
VTP
0.5
1.0
1.5
Test Current
ITST
5
20
40
ELECTRICAL CHARACTERISTICS: TEMPERATURE, VOLTAGE, CURRENT
(2.5V £ VDD £ 5.5V, TA = -20°C to +50°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
V
V
A
mV
A
mV
s
ms
ms
ms
V
mA
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
%
Current Resolution
(Note 3)
ILSB
(Note 4)
0.625
mA
15.625
mV
Current Full-Scale Magnitude
(Notes 3, 6)
IFS
(Note 4)
1.9
2.56
A
64
mV
Current Offset Error
IOERR
(Note 7)
1
LSB
Current Gain Error
IGERR
(Notes 3, 8, 9)
(Note 4)
10
%
2
Accumulated Current Resolution
(Note 3)
qCA
(Note 4)
0.25
mAh
6.25
µVhr
Current Sampling Frequency
fSAMP
1456
Hz
Internal Timebase Accuracy
tERR1
tERR2
(Note 10)
(Note 10)
3 of 20
±1
±3
%
±6.5
%
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