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參數(shù)資料
型號: MAX5978ETJ+
廠商: Maxim Integrated
文件頁數(shù): 1/38頁
文件大小: 2412K
描述: IC CTLR HOT-SWAP 32TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 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)部開關(guān):
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
供應(yīng)商設(shè)備封裝: 32-TQFN-EP(5x5)
包裝: 管件
 _______________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxims website at www.maxim-ic.com.
0 to 16V, Hot-Swap Controller with 10-Bit
Current, Voltage Monitor, and 4 LED Drivers
19-5328; Rev 0; 7/10
  General Description
The MAX5978 hot-swap controller provides complete pro-
tection for systems with a supply voltage from 0 to 16V.
The device includes four programmable LED outputs.
The IC provides two programmable levels of overcur-
rent circuit-breaker protection: a fast-trip threshold for
a fast turn-off, and a lower slow-trip threshold for a
delayed turn-off. The maximum overcurrent circuit-
breaker threshold range is set with a trilevel logic input
(IRNG), or by programming through the I
2
C interface.
The IC is an advanced hot-swap controller that monitors
voltage and current with an internal 10-bit ADC, which is
continuously multiplexed to convert the output voltage
and current at 10ksps. Each 10-bit sample is stored in an
internal circular buffer so that 50 past samples of each
signal can be read back through the I
2
C interface at any
time or after a fault condition.
The device includes five user-programmable digital
comparators to implement overcurrent warning and two
levels of overvoltage/undervoltage detection. When mea-
sured values violate the programmable limits, an external
ALERT output is asserted. In addition to the ALERT sig-
nal, the IC can be programmed to deassert the power-
good signal and/or turn off the external MOSFET.
The IC features four I/Os that can be independently
configured as general-purpose input/outputs (GPIOs) or
as open-drain LED drivers with programmable blinking.
These four I/Os can be configured for any mix of LED
driver or GPIO function.
The device is available in a 32-pin thin QFN-EP pack-
age and operates over the -40NC to +85NC extended
temperature range.
  Ordering Information
  Features
S Hot-Swap Controller Operates from 0 to 16V
S 10-Bit ADC Monitors Load Voltage and Current
S Circular Buffers Store 5ms of Current and Voltage 
Measurements
S Internal Charge Pump Generates n-Channel 
MOSFET Gate Drive
S Internal 500mA Gate Pulldown Current for Fast 
Shutdown
S VariableSpeed/Bilevel" Circuit-Breaker 
Protection
S Precision-Voltage Enable Input
S Alert Output Indicates Fault and Warning 
Conditions
S Open-Drain Power-Good Output with 
Programmable Polarity
S Open-Drain Fault Output
S Four Open-Drain General-Purpose Outputs Sink 
25mA to Directly Drive LEDs
S Programmable LED Flashing Function
S Latched-Off Fault Management
S 400kHz I
2
C Interface
S Small, 5mm x 5mm, 32-Pin TQFN-EP Package
  Applications
Blade Servers
DC Power Metering
Disk Drives/DASD/Storage Systems
Soft-Switch for ASICs, FPGAs, and
Microcontrollers
Network Switches/Routers
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
VariableSpeed/Bilevel is a trademark of Maxim Integrated
Products, Inc.
EV
A
LU
A
T
IO
N
KI
T
A
VA
IL
A
B
LE
PART
TEMP RANGE
PIN-PACKAGE
MAX5978ETJ+
-40NC to +85NC
32 TQFN-EP*
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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:電源開關(guān) IC - POE / LAN MAX5980 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 開關(guān)數(shù)量:Single 開關(guān)配置:SPST 開啟電阻(最大值):7.3 Ohms 串話: 帶寬: 開啟時間(最大值):13 ns 關(guān)閉時間(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:電源開關(guān) IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關(guān)數(shù)量:Single 開關(guān)配置:SPST 開啟電阻(最大值):7.3 Ohms 串話: 帶寬: 開啟時間(最大值):13 ns 關(guān)閉時間(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:電源開關(guān) IC - POE / LAN 0-16V Hot-Swap Controller RoHS:否 制造商:Fairchild Semiconductor 開關(guān)數(shù)量:Single 開關(guān)配置:SPST 開啟電阻(最大值):7.3 Ohms 串話: 帶寬: 開啟時間(最大值):13 ns 關(guān)閉時間(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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