參數(shù)資料
型號： MAX5945CAX+
廠商： Maxim Integrated Products
文件頁數(shù)： 14/44頁
文件大?。?/td> 0K
描述： IC NETWORK PWR CTRL 36-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 30
控制器類型： 網(wǎng)絡(luò)電源控制器
接口： I²C
電源電壓： 3.3V
電流 - 電源： 4.2mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 36-BSOP（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 36-SSOP
包裝： 管件
Message Format for Writing the MAX5945
A write to the MAX5945 comprises of the MAX5945’s
slave address transmission with the R/W bit set to 0, fol-
lowed by at least one byte of information. The first byte
of information is the command byte (Figure 11). The
command byte determines which register of the
MAX5945 is written to by the next byte, if received. If
the MAX5945 detects a STOP condition after receiving
the command byte, then the MAX5945 takes no further
action beyond storing the command byte. Any bytes
received after the command byte are data bytes. The
first data byte goes into the internal register of the
MAX5945 selected by the command byte. If the
MAX5945 transmits multiple data bytes before the
MAX5945 detects a STOP condition, these bytes store
in subsequent MAX5945 internal registers because the
control byte address auto-increments.
Any bytes received after the control byte are data
bytes. The first data byte goes into the internal register
of the MAX5945 selected by the control byte (Figure 8).
If multiple data bytes are transmitted before a STOP
condition is detected, these bytes are stored in subse-
quent MAX5945 internal registers because the control
byte address auto-increments.
MAX5945
Quad Network Power Controller
for Power-Over-LAN
______________________________________________________________________________________
21
Figure 11. Control Byte Received
SA
A
P
0
SLAVE ADDRESS
CONTROL BYTE
ACKNOWLEDGE FROM MAX5945
D15
D14
D13
D12
D11
D10
D9
D8
CONTROL BYTE IS STORED ON RECEIPT OF STOP CONDITION
R/W
Figure 12. Control and Single Data Byte Received
SA
A
P
0
SLAVE ADDRESS
CONTROL BYTE
DATA BYTE
ACKNOWLEDGE FROM MAX5945
1 BYTE
AUTO-INCREMENT
MEMORY WORD ADDRESS
D15 D14 D13 D12 D11 D10
D9
D8
D1
D0
D3
D2
D5
D4
D7
D6
HOW CONTROL BYTE AND DATA BYTE MAP
INTO THE REGISTER
ACKNOWLEDGE FROM MAX5945
R/W
Figure 13. ‘n’ Data Bytes Received
SA
A
P
0
SLAVE ADDRESS
CONTROL BYTE
DATA BYTE
ACKNOWLEDGE FROM MAX5945
n BYTES
AUTO-INCREMENT
MEMORY WORD ADDRESS
D15 D14 D13 D12 D11 D10
D9
D8
D1
D0
D3
D2
D5
D4
D7
D6
HOW CONTROL BYTE AND DATA BYTE MAP
INTO THE REGISTER
ACKNOWLEDGE FROM MAX5945
R/W
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參數(shù)描述
MAX5945CAX+ 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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5945CAX+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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5945CAX-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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5945EAX 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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
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