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| 型号： | MIC2583R-KBQS TR |
| 厂商： | Micrel Inc |
| 文件页数： | 22/25页 |
| 文件大小： | 826K |
| 描述： | IC CTRLR HOT SWAP 100MV 16-QSOP |
| 标准包装： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 2.3 V ~ 13.2 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC2583R-KBQSTR MIC2583R-KBQSTR-ND |
Micrel, Inc.
MIC2582/MIC2583
April 2009
22
M9999-043009-C
PCB Layout Considerations
Because of the low values of the sense resistors used
with the MIC2582/83 controllers, special attention to the
layout must be used in order for the devices circuit
breaker function to operate properly. Specifically, the
use of a 4-wire Kelvin connection to accurately measure
the voltage across R
SENSE
is highly recommended. Kelvin
sensing is simply a means of making sure that any
voltage drops in the power traces connecting to the
resistors does not get picked up by the traces
themselves. Additionally, these Kelvin connections
should be isolated from all other signal traces to avoid
introducing noise onto these sensitive nodes. Figure 11
illustrates a recommended, single layer layout for the
R
SENSE
, Power MOSFET, timer(s), and feedback network
connections. The feedback network resistor values are
selected for a 12V application. Many hot swap
applications will require load currents of several
amperes. Therefore, the power (V
CC
and Return) trace
widths (W) need to be wide enough to allow the current
to flow while the rise in temperature for a given copper
plate (e.g., 1oz. or 2oz.) is kept to a maximum of
10篊~25篊. Also, these traces should be as short as
possible in order to minimize the IR drops between the
input and the load.
Finally, the use of plated-through vias will be needed to
make circuit connections to power and ground planes
when utilizing multi-layer PC boards.
MOSFET and Sense Resistor Vendors
Device types and manufacturer contact information for
power MOSFETs and sense resistors are provided in
Table 4. Some of the recommended MOSFETs include a
metal heat sink on the bottom side of the package. The
recommended trace for the MOSFET Gate of Figure 11
must be redirected when using MOSFETs packaged in
this style. Contact the device manufacturer for package
information.
.
Figure 11. Recommended PCB Layout for Sense Resistor,
Power MOSFET, and Feedback Network
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2583R-KYQS | 功能描述:热插拔功率分布 Single-Channel Hot-Swap Controller - 150mV Fast-Trip Threshold - Lead Free 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 |
| MIC2583R-KYQS TR | 功能描述:热插拔功率分布 Single-Channel Hot-Swap Controller - 150mV Fast-Trip Threshold - Lead Free 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 |
| MIC2583R-LBQS | 功能描述:IC CTRLR HOT SWAP 150MV 16-QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| MIC2583R-LBQS TR | 功能描述:IC CTRLR HOT SWAP 150MV 16-QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| MIC2583R-LYQS | 功能描述:热插拔功率分布 Single-Channel Hot-Swap Controller - 200mV Fast-Trip Threshold - Lead Free 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 |
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