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BQ40Z60_16 Datasheet, PDF (17/47 Pages) Texas Instruments – Programmable Battery Management Unit
www.ti.com
bq40z60
SLUSAW3C – DECEMBER 2014 – REVISED JULY 2015
8.45 SMBus High Voltage I/O
Typical values stated where TA = 25°C and VCC = 10.8 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VIH
Input voltage high
SMBC, SMBD, VREG = 1.8 V
VIL
Input voltage low
SMBC, SMBD, VREG = 1.8 V
VOL
Output low voltage
SMBC, SMBD, VREG = 1.8 V, IOL = 1.5 mA
CIN
Input capacitance
ILKG
Input leakage current
RPD
pulldown resistance
1.3
V
0.8
V
0.4
V
5
pF
1
µA
0.7
1.0
1.3 MΩ
8.46 SMBus
Typical values stated where TA = 25°C and VCC = 10.8 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
fSMB
SMBus operating
frequency
SLAVE mode, SMBC 50% duty cycle
10
100 kHz
fMAS
SMBus master clock
frequency
MASTER mode, no clock low slave extend
51.2
kHz
tBUF
Bus free time between
start and stop
4.7
µs
tHD(START)
Hold time after
(repeated) start
4.0
µs
tSU(START)
Repeated start setup
time
4.7
µs
tSU(STOP)
tHD(DATA)
tSU(DATA)
tTIMEOUT
tLOW
tHIGH
tR
tF
tLOW(SEXT)
Stop setup time
Data hold time
Data setup time
Error signal detect time
Clock low period
Clock high period
Clock rise time
Clock fall time
Cumulative clock low
slave extend time
10% to 90%
90% to 10%
4.0
µs
300
ns
250
ns
25
35 ms
4.7
µs
4.0
50 µs
1000 ns
300 ns
25 ms
tLOW(MEXT)
Cumulative clock low
master extend time
10 ms
8.47 SMBus XL
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
fSMBXL
tBUF
SMBus XL operating frequency SLAVE mode
Bus free time between start and
stop
40
400 kHz
4.7
µs
tHD(START)
tSU(START)
tSU(STOP)
tTIMEOUT
tLOW
tHIGH
Hold time after (repeated) start
Repeated start setup time
Stop setup time
Error signal detect time
Clock low period
Clock high period
4.0
µs
4.7
µs
4.0
µs
5
20 ms
20 µs
20 µs
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