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| 型号： | MAX5978ETJ+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 33/38页 |
| 文件大小： | 2412K |
| 描述： | IC CTLR HOT-SWAP 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 热交换控制器 |
| 应用： | 刀峰式服务器，网络应用设备 |
| 内部开关： | 无 |
| 电流限制： | 可调 |
| 电源电压： | 2.7 V ~ 16 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 管件 |
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0 to 16V, Hot-Swap Controller with 10-Bit
Current, Voltage Monitor, and 4 LED Drivers
33
I
2
C Serial Interface
The device features an I
2
C-compatible serial interface
consisting of a serial data line (SDA) and a serial clock
line (SCL). SDA and SCL allow bidirectional communica-
tion between the device and the master device at clock
rates from 100kHz to 400kHz. The I
2
C bus can have
several devices (e.g., more than one device, or other I
2
C
devices in addition to the device) attached simultane-
ously. The A0 and A1 inputs set one of nine possible I
2
C
addresses (see Table 53).
The 2-wire communication is fully compatible with exist-
ing 2-wire serial interface systems; Figure 4 shows
the interface timing diagram. The device is a transmit/
receive slave-only device, relying upon a master device
to generate a clock signal. The master device (typically
a microcontroller) initiates data transfer on the bus and
generates SCL to permit that transfer.
A master device communicates to the device by trans-
mitting the proper address followed by command and/
or data words. Each transmit sequence is framed by
a START (S) or Repeated START (SR) condition and a
STOP (P) condition. Each word transmitted over the bus
is 8 bits long and is always followed by an acknowledge
pulse.
SCL is a logic input, while SDA is a logic input/open-
drain output. SCL and SDA both require external pullup
resistors to generate the logic-high voltage. Use 4.7kI
for most applications.
Table 52. LED State Register
Figure 4. Serial-Interface Timing Details
STOP
CONDITION
REPEATED START
CONDITION
START
CONDITION
t
HIGH
t
LOW
t
R
t
F
t
SU:DAT
t
SU:STA
t
SU:STO
t
HD:STA
t
BUF
t
HD:STA
t
HD:DAT
SCL
SDA
START
CONDITION
Description:
LED state register
Register Title:
LED_state
Register Address:
0x45
RESET
VALUE
R
R
R
R
R
R
R
R
LED4
Voltage
LED3
Voltage
LED2
Voltage
LED1
Voltage
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5978ETJ+ | 功能描述:热插拔功率分布 0-16V Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5978ETJ+T | 功能描述:热插拔功率分布 0-16V Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5980EVKIT# | 功能描述:电源开关 IC - POE / LAN MAX5980 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 开关数量:Single 开关配置:SPST 开启电阻（最大值）:7.3 Ohms 串话: 带宽: 开启时间（最大值）:13 ns 关闭时间（最大值）:20 ns 切换电压（最大）: 工作电源电压:8 V to 26 V 最大工作温度:+ 125 C 安装风格:Through Hole 封装 / 箱体:TO-220F-6 |
| MAX5980EVKIT+ | 功能描述:电源开关 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 开关数量:Single 开关配置:SPST 开启电阻（最大值）:7.3 Ohms 串话: 带宽: 开启时间（最大值）:13 ns 关闭时间（最大值）:20 ns 切换电压（最大）: 工作电源电压:8 V to 26 V 最大工作温度:+ 125 C 安装风格:Through Hole 封装 / 箱体:TO-220F-6 |
| MAX5980GTJ+ | 功能描述:电源开关 IC - POE / LAN 0-16V Hot-Swap Controller RoHS:否 制造商:Fairchild Semiconductor 开关数量:Single 开关配置:SPST 开启电阻（最大值）:7.3 Ohms 串话: 带宽: 开启时间（最大值）:13 ns 关闭时间（最大值）:20 ns 切换电压（最大）: 工作电源电压:8 V to 26 V 最大工作温度:+ 125 C 安装风格:Through Hole 封装 / 箱体:TO-220F-6 |
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