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MPF42791 Datasheet(PDF) 8 Page - Monolithic Power Systems

Part # MPF42791
Description  2 to 16 Stacked Cells Battery Pack Fuel Gauge with Resistance Detection and Thermal Model
PDF  75 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPF42791 Datasheet(HTML) 8 Page - Monolithic Power Systems

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MPF42791 – 2 TO 16 BATTERY PACK FG W/ R DETECTION AND THERMAL MODEL
MPF42791 Rev. 1.0
MonolithicPower.com
8
9/19/2022
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2022 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VDD = 3.3V, TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
LEDs
High-level output voltage
VOH_LED
Output current = 4 mA
VDD -
0.4V
V
High-level output current
IOH_LED
VLEDx = VDD - 0.4V
4
mA
I2C DC Characteristics
High input voltage
VIH
SCL, SDA
0.7 x
VDD
0.3V +
VDD
V
Low input voltage
VIL
SCL, SDA
-0.5
0.3 x
VDD
V
Low output voltage
VOL
SDA, sink current = 3mA
0.4
V
I2C Timing Characteristics
Spikes suppressed by input filter
tSP
0
50
ns
Operating frequency range
fSCL
400
kHz
SCL clock low period
tLOW
1.125
μs
SCL clock high period
tHIGH
1.125
μs
SCL and SDA falling time
tFALL
0.34
μs
SCL and SDA rising time
tRISE
0.34
μs
Data hold time
tHD_DAT
0
ns
Data set-up time
tSU_DAT
125
ns
Data valid time
tV_DAT
475
ns
Set-up time for a repeated start
condition
tSU_STA
125
ns
Hold time for a repeated start
condition
tHD_STA
0
ns
Set-up time for a stop condition
tSU_STO
125
ns
Note:
5) Validated on a 10S1P Samsung INR18650 25R pack (see the Typical Performance Characteristics section on page 9 for more details).
Similar results can be achieved with other cell/pack types after characterization.



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