參數(shù)資料
型號(hào)： BQ2060SS
英文描述： Silicon Bridge Rectifiers
中文描述： 集成電路表面貼裝，棉絮電荷監(jiān)視器
文件頁數(shù)： 42/46頁
文件大?。?/td> 364K
代理商： BQ2060SS
42
bq2060
SMBus AC Specifications
(T
A
= T
OPR
, 2.9V < V
CC
< 3.7V unless otherwise noted)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
F
SMB
SMBus operating frequency
Slave mode, SMBC 50% duty cycle
10
100
kHz
F
MAS
SMBus master clock frequency
Master mode, no clock low slave
extend
51.2
kHz
T
BUF
Bus free time between start and
stop
Hold time after (repeated) start
Repeated start setup time
Stop setup time
4.7
μ
s
T
HD:STA
T
SU:STA
T
SU:STO
4.0
4.7
4.0
0
300
250
25
4.7
4.0
μ
s
μ
s
μ
s
ns
ns
ns
ms
μ
s
μ
s
T
HD:DAT
Data hold time
Receive mode
Transmit mode
T
SU:DAT
T
TIMEOUT
T
LOW
T
HIGH
Data setup time
Error signal/detect
Clock low period
Clock high period
Cumulative clock low slave ex-
tend time
Cumulative clock low master ex-
tend time
See Note 1
35
See Note 2
50
T
LOW:SEXT
See Note 3
25
ms
T
LOW:MEXT
See Note 4
10
ms
Notes:
1.
2.
The bq2060 will time out when any clock low exceeds T
TIMEOUT
.
T
HIGH
Max. is minimum bus idle time. SMBC = SMBD = 1 for t > 50
μ
s will cause reset of any
transaction involving bq2060 that is in progress.
T
LOW:SEXT
is the cumulative time a slave device is allowed to extend the clock cycles in one message
from initial start to the stop. The bq2060 typically extends the clock only 20
μ
s as a slave in the read
byte or write byte protocol.
T
LOW:MEXT
is the cumulative time a master device is allowed to extend the clock cycles in one mes-
sage from initial start to the stop. The bq2060 typically extends the clock only 20
μ
s as a master in
the read byte or write byte protocol.
3.
4.
HDQ16 AC Specifications
(T
A
= T
OPR
, 2.9V < V
CC
< 3.7V unless otherwise noted)
Symbol
t
CYCH
t
CYCB
t
STRH
t
STRB
t
DSU
t
DSUB
t
DH
t
DV
t
SSU
t
SSUB
t
RSPS
t
B
t
BR
Parameter
Conditions
Min.
190
190
5
32
-
-
90
-
-
-
320
190
40
Typ.
-
205
-
-
-
-
-
-
-
-
-
-
-
Max.
-
250
-
-
50
50
-
80
145
95
-
-
-
Unit
μ
s
μ
s
ns
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
Cycle time, host to bq2060 (write)
Cycle time, bq2060 to host (read)
Start hold time, host to bq2060 (write)
Start hold time, host to bq2060 (read)
Data setup time
Data setup time
Data hold time
Data valid time
Stop setup time
Stop setup time
Response time, bq2060 to host
Break time
Break recovery time
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