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MAX77972 Datasheet(PDF) 13 Page - Analog Devices

Part # MAX77972
Description  AccuCharge ModelGauge 1-Cell Fuel Gauge and 3A Charger with Integrated USB Type-C Detection
PDF  171 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

MAX77972 Datasheet(HTML) 13 Page - Analog Devices

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MAX77972
AccuCharge + ModelGauge 1-Cell Fuel Gauge
and 3A Charger with Integrated USB Type-C
Detection
www.analog.com
Analog Devices | 13
(VBATT = 2.3V to 4.9V, typical value at 3.6V, TA = -40°C to +85°C, typical values are TA = +25°C, see for more details. Limits are 100%
tested at TA = +25°C. Limits over the operating temperature range and relevant supply voltage range are guaranteed by design and
characterization.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CC pin Power uptime
tClampSwap
Maximum time allowed from the removal
of voltage clamp till 5.1kΩ resistor
attached.
15
ms
CC Detection Debounce
tCCDeb
100
119
200
ms
Type-C Debounce
tPDDeb
10
15
20
ms
Type-C Quick
Debounce
tQDeb
0.9
1
1.1
ms
GAUGE/ANALOG-TO-DIGITAL CONVERSION
BATT Voltage
Measurement Error
VGERR
TA = +25°C
-7.5
+7.5
mV
-40°C ≤ TA ≤ +85°C
-20
+20
Voltage Measurement
Resolution
VLSB
78.125
μV
Voltage Measurement
Range
VFS
2.3
4.9
V
CURRENT CHANNEL
Current Measurement
Resolution
ILSB
0.15625
mA
Current Measurement
Range
IRANGE
±3.6
A
Current Measurement
Offset
IOERR
Long-term average at zero input current.
±0.25
mA
Current Measurement
Symmetrical Error
ISERR
2
%
Current Measurement
Asymmetrical Error
IAERR
±3150mA
VBATT = 3.8V
-150
150
mA
±1000mA
VBATT = 3.8V
-20
20
±300mA
VBATT = 3.8V
-10
10
+50mA
VBATT = 3.8V
-10
10
Linear Regulator Mode
Current Measurement
Error
ILRERR
+1500mA
-75
75
mA
+100mA
-25
25
Current Measurement
Offset Error
IOERR
CSN = 0V, long-term average.
±1.5
μV
Current Measurement
Gain Error
IGERR
CSP between -50mV and +50mV
-1
+1
% of
Reading
Current Measurement
Resolution
ILSB
1.5625
μV
Internal Temperature
Measurement Error
TIGERR
TA = +25°C
±1
°C
Internal Temperature
Measurement
Resolution
TILSB
TH
0.00391
°C
TH, ICHG, VCHG
Ratiometric
Measurement Error
TEGERR
-0.5
+0.5
% of
Reading
TH, ICHG, VCHG
Ratiometric
TELSB
0.001526
%



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