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| BQ40Z50-R2 Datasheet, PDF (18/51 Pages) Texas Instruments – 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager | |||
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bq40z50-R2
SLUSCS4 â JUNE 2017
www.ti.com
Timing Requirements: SMBus XL (continued)
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)
MIN
NOM
MAX UNIT
tSU(START)
tSU(STOP)
tTIMEOUT
tLOW
tHIGH
Repeated start setup time
Stop setup time
Error signal detect time
Clock low period
Clock high period
4.7
µs
4.0
µs
5
20 ms
20
µs
20
µs
tSU(STOP)p
SMBC
TtR
TtBUFT
TtF
tHD(START)
SMBC
TtHIGHT
TtF
TtR
TtLOWT
SMBD
SMBC
SMBD
P
S
Start and Stop Condition
TtTIMEOUT
SMBD
SMBC
tHD(DATA)T
Wait and Hold Condition
tSU(START)T
TtSU(DATA)
SMBD
Timeout Condition
S
Repeated Start Condition
Figure 4. SMBus Timing Diagram
18
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