參數(shù)資料
型號(hào)： MAX5978ETJ+
廠商： Maxim Integrated
文件頁(yè)數(shù)： 34/38頁(yè)
文件大?。?/td> 2412K
描述： IC CTLR HOT-SWAP 32TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
類型： 熱交換控制器
應(yīng)用： 刀峰式服務(wù)器，網(wǎng)絡(luò)應(yīng)用設(shè)備
內(nèi)部開(kāi)關(guān)： 無(wú)
電流限制： 可調(diào)
電源電壓： 2.7 V ~ 16 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 32-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 32-TQFN-EP（5x5）
包裝： 管件
0 to 16V, Hot-Swap Controller with 10-Bit
Current, Voltage Monitor, and 4 LED Drivers
34
Bit Transfer
Each clock pulse transfers 1 data bit. The data on SDA
must remain stable while SCL is high (see Figure 5); oth-
erwise, the device registers a START or STOP condition
(see Figure 6) from the master. SDA and SCL idle high
when the bus is not busy.
START and STOP Conditions
Both SCL and SDA idle high when the bus is not busy.
A master device signals the beginning of a transmission
with a START condition (see Figure 3) by transitioning
SDA from high to low while SCL is high. The master
device issues a STOP condition (see Figure 6) by transi-
tioning SDA from low to high while SCL is high. A STOP
condition frees the bus for another transmission. The bus
remains active if a Repeated START condition is gener-
ated, such as in the block read protocol (see Figure 7).
Early STOP Conditions
The device recognizes a STOP condition at any point
during transmission except if a STOP condition occurs in
the same high pulse as a START condition. This condi-
tion is not a legal I
2
C format. At least one clock pulse
must separate any START and STOP condition.
Repeated START Conditions
A Repeated START (SR) condition may indicate a change
of data direction on the bus. Such a change occurs when
a command word is required to initiate a read operation
(see Figure 4). SR may also be used when the bus mas-
ter is writing to several I
2
C devices and does not want to
relinquish control of the bus. The device serial interface
supports continuous write operations with or without an
SR condition separating them. Continuous read opera-
tions require SR conditions because of the change in
direction of data flow.
Table 53. Device Slave Address Settings
Figure 5. Bit Transfer
Figure 6. START and STOP Conditions
DATA LINE STABLE,
DATA VALID
SDA
SCL
CHANGE OF
DATA ALLOWED
P
S
START
CONDITION
SDA
SCL
STOP
CONDITION
ADDRESS INPUT
STATE
I
2
C ADDRESS BITS
A1
A0
ADDR 7
ADDR 6
ADDR 5
ADDR 4
ADDR 3
ADDR 2
ADDR 1
ADDR 0
Low
Low
0
1
1
1
0
1
0
R/W
Low
High
0
1
1
1
0
0
1
R/W
Low
Open
0
1
1
1
0
0
0
R/W
High
Low
0
1
1
0
1
1
0
R/W
High
High
0
1
1
0
1
0
1
R/W
High
Open
0
1
1
0
1
0
0
R/W
Open
Low
0
1
1
0
0
1
0
R/W
Open
High
0
1
1
0
0
0
1
R/W
Open
Open
0
1
1
0
0
0
0
R/W
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5978ETJ+ 功能描述:熱插拔功率分布 0-16V Hot-Swap 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
MAX5978ETJ+T 功能描述:熱插拔功率分布 0-16V Hot-Swap 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
MAX5980EVKIT# 功能描述:電源開(kāi)關(guān) IC - POE / LAN MAX5980 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 開(kāi)關(guān)數(shù)量:Single 開(kāi)關(guān)配置:SPST 開(kāi)啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開(kāi)啟時(shí)間（最大值）:13 ns 關(guān)閉時(shí)間（最大值）:20 ns 切換電壓（最大）: 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-220F-6
MAX5980EVKIT+ 功能描述:電源開(kāi)關(guān) IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開(kāi)關(guān)數(shù)量:Single 開(kāi)關(guān)配置:SPST 開(kāi)啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開(kāi)啟時(shí)間（最大值）:13 ns 關(guān)閉時(shí)間（最大值）:20 ns 切換電壓（最大）: 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-220F-6
MAX5980GTJ+ 功能描述:電源開(kāi)關(guān) IC - POE / LAN 0-16V Hot-Swap Controller RoHS:否 制造商:Fairchild Semiconductor 開(kāi)關(guān)數(shù)量:Single 開(kāi)關(guān)配置:SPST 開(kāi)啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開(kāi)啟時(shí)間（最大值）:13 ns 關(guān)閉時(shí)間（最大值）:20 ns 切換電壓（最大）: 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-220F-6
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