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參數(shù)資料
| 型號： | MAX5945EAX |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Quad Network Power Controller for Power-Over-LAN |
| 中文描述： | 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36 |
| 封裝： | 0.80 MM PICTH, SSOP-36 |
| 文件頁數(shù)： | 19/44頁 |
| 文件大小： | 572K |
| 代理商： | MAX5945EAX |
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Start and Stop Conditions
Both SCL and SDA remain high when the interface is
not busy. A master signals the beginning of a transmis-
sion with a START (S) condition by transitioning SDA
from high to low while SCL is high. When the master fin-
ishes communicating with the slave, the master issues
a STOP (P) condition by transitioning SDA from low to
high while SCL is high. The stop condition frees the bus
for another transmission.
M
Quad Network Power Controller
for Power-Over-LAN
______________________________________________________________________________________
19
Figure 5. 2-Wire Serial Interface Timing Details
SCL
SDAIN
t
LOW
t
HIGH
t
R
t
F
t
BUF
START
CONDITION
STOP
CONDITION
REPEATED START CONDITION
START CONDITION
t
HD, STA
t
SU, DAT
t
HD, DAT
t
SU, STA
t
HD, STA
t
SU, STO
Figure 6. 3-Wire Serial Interface Timing Details
SCL
SDAIN/SDA
t
LOW
t
HIGH
t
R
t
F
t
BUF
START
CONDITION
STOP
CONDITION
REPEATED START CONDITION
START CONDITION
t
HD, STA
t
SU, DAT
t
HD, DAT
t
SU, STA
t
HD, STA
t
SU, STO
Figure 8. Bit Transfer
SDA
SCL
DATA LINE STABLE;
DATA VALID
.
CHANGE OF
DATA ALLOWED
Figure 7. Start and Stop Conditions
START
STOP
S
P
SDA/
SDAIN
SCL
相關PDF資料 |
PDF描述 |
|---|---|
| MAX5948 | AND-OR-invert Gates 14-CFP -55 to 125 |
| MAX5948A | -48V Hot-Swap Controllers with External RSENSE |
| MAX5948AESA | -48V Hot-Swap Controllers with External RSENSE |
| MAX5948B | 4-2-3-2 Input AND-OR-invert Gates 14-CDIP -55 to 125 |
| MAX5948BESA | -48V Hot-Swap Controllers with External RSENSE |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5945EAX+ | 功能描述:熱插拔功率分布 IEEE 802.3af Quad Net Pwr Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5945EAX+T | 功能描述:熱插拔功率分布 IEEE 802.3af Quad Net Pwr Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5945EAX-T | 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5945EVKIT | 功能描述:電源管理IC開發(fā)工具 Evaluation Kit/Evaluation System for the MAX5945 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX5945EVSYS | 功能描述:電源管理IC開發(fā)工具 Evaluation Kit/Evaluation System for the MAX5945 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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