參數(shù)資料
型號: bq2945
廠商: Benchmark Technology Group
英文描述: Gas Gauge IC with SMBus Interface(Gas Gauge芯片(帶SMBus 接口))
中文描述: 氣體計IC,帶有SMBus接口(電量監(jiān)測計芯片(帶的SMBus接口))
文件頁數(shù): 29/32頁
文件大小: 256K
代理商: BQ2945
29
bq2945
Symbol
Parameter
Min
Max
Units
Notes
F
SMB
SMBus operating frequency
Bus free time between stop and
start condition
Hold time after (repeated) start
condition
10
100
KHz
T
BUF
4.7
μ
s
T
HD:STA
4.0
μ
s
T
SU:STA
T
SU:STO
T
HD:DAT
T
SU:DAT
T
LOW
T
HIGH
T
F
T
R
Repeated start condition setup time
4.7
μ
s
μ
s
ns
ns
μ
s
μ
s
ns
ns
Stop condition setup time
Data hold time
Data setup time
Clock low period
Clock high period
Clock/Data fall time
Clock/data rise time
Cumulative clock low extend time
(slave)
4.0
300
250
4.7
4.0
300
1000
T
LOW:SEXT
25
ms
T
TIMEOUT
25
35
ms
AC Specifications
TD294501.eps
t
SU:STA
SMBC
SMBD
t
SU:STO
t
BUF
t
HD:STA
t
LOW
t
SU:DAT
t
R
t
F
t
HIGH
t
HD:DAT
Bus Timing Data
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BQ294502 制造商:TI 制造商全稱:Texas Instruments 功能描述:Overvoltage Protection for 2-Series and 3-Series Cell Li-Ion Batteries
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