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| BQ40Z50 Datasheet, PDF (18/30 Pages) Texas Instruments – 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager | |||
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bq40z50
SLUSBS8 â DECEMBER 2013
www.ti.com
Figure 6. SMBus Timing Diagram
SMBus XL
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = â40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
fSMBXL
tBUF
tHD(START)
tSU(START)
tSU(STOP)
tTIMEOUT
tLOW
tHIGH
PARAMETER
SMBus XL operating
frequency
Bus free time between start
and stop
Hold time after (repeated)
start
Repeated start setup time
Stop setup time
Error signal detect time
Clock low period
Clock high period
TEST CONDITION
SLAVE mode
MIN
TYP
MAX
UNIT
40
400
kHz
4.7
µs
4.0
µs
4.7
µs
4.0
µs
5
20
ms
20
µs
20
µs
18
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