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| 型号： | ADM1171-1AUJZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR HOTSWAP 16.5V TSOT-23-8 |
| 产品培训模块： | Hot Swap Design |
| 标准包装： | 1 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 2.7 V ~ 16.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 薄型，TSOT-23-8 |
| 供应商设备封装： | TSOT-23-8 |
| 包装： | 标准包装 |
| 产品目录页面： | 792 (CN2011-ZH PDF) |
| 配用： | EVAL-ADM1171EBZ-ND - BOARD EVALUATION FOR ADM1171 |
| 其它名称： | ADM1171-1AUJZ-RL7DKR |
2.7 V to 16.5 V Hot Swap Controller
with Current Sense Output
Data Sheet
FEATURES
Controls supply rails from 2.7 V to 16.5 V
Allows protected board removal and insertion to a live
backplane
External sense resistor provides adjustable analog current
limit with circuit breaker
Peak fault current limited with fast response
Charge pumped gate drive for external N-FET switch
Current sense output
Soft start inrush current control
Automatic retry or latch-off during current fault
Undervoltage lockout
8-lead, TSOT package
APPLICATIONS
Hot swap board insertion: line cards, raid systems
Industrial high-side switches/circuit breakers
Electronic circuit breakers
GENERAL DESCRIPTION
The ADM1171 is a hot swap controller that safely enables a
printed circuit board to be removed and inserted to a live
backplane. This is achieved using an external N-channel power
MOSFET with a current control loop that monitors the load
current through a sense resistor. An internal charge pump is
used to enhance the gate of the N-channel FET. When an
overcurrent condition is detected, the gate voltage of the FET is
reduced to limit the current flowing through the sense resistor.
During an overcurrent condition, the TIMER cap determines
the amount of time the FET remains at a current limiting mode
of operation until it is shut down. The ON (ON-CLR) pin is the
enable input for the device and can be used to monitor the
input supply voltage. The ADM1171 operates with a supply
voltage ranging from 2.7 V to 16.5 V.
The ADM1171 features soft start to provide the user with a
capacitor programmable ramping reference to the internal
current sense comparator. This provides a linearly increasing
current limit at startup at a rate set by C SS . This helps to reduce
and limit large inrush currents.
The ADM1171 also features a current sense output (CSOUT)
pin. The voltage on the CSOUT pin represents the voltage drop
across the sense resistor gained up by a factor of 20.
This device is available in two options: the ADM1171-1 with
automatic retry for overcurrent fault and the ADM1171-2 with
latch-off for an overcurrent fault. Toggling the ON (ON-CLR)
pin resets a latched fault. The ADM1171 is packaged in an
8-lead TSOT.
FUNCTIONAL BLOCK DIAGRAM
V IN = 5V
LONG
R SENSE
Q 1
V OUT = 5V
C LOAD
V CC
SENSE
GATE
SHORT
R ON1
ADM1171-1
ON
R ON2
C SS
SS
TIMER
GND
CSOUT
C TIMER
Rev. A
GND
LONG
Figure 1.
GND
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ?2006–2013 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM1171-2AUJ | 制造商:Analog Devices 功能描述:ADI HOT SWAP CONTROLLER - Bulk |
| ADM1171-2AUJZ-RL7 | 功能描述:IC CTRLR HOTSWAP 16.5V TSOT-23-8 RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| ADM1172 | 制造商:AD 制造商全称:Analog Devices 功能描述:2.7 V to 16.5 V Hot Swap Controller with Power-Fail Comparator |
| ADM1172-1AUJZ-RL7 | 功能描述:IC CTRLR HOTSWAP 16.5V TSOT-23-8 RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| ADM1172-2AUJZ-RL7 | 功能描述:IC CTRLR HOTSWAP 16.5V TSOT-23-8 RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
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