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参数资料
| 型号： | TPS2390EVM |
| 厂商： | Texas Instruments |
| 文件页数： | 12/16页 |
| 文件大小： | 0K |
| 描述： | EVAL MOD FOR TPS2390 |
| 标准包装： | 1 |
| 主要目的： | 电源管理，热交换控制器 |
| 已用 IC / 零件： | TPS2390 |
| 已供物品： | 板 |
| 产品目录页面： | 1011 (CN2011-ZH PDF) |
| 相关产品： | TPS2390DGKRG4-ND - IC HOT SWAP PWR MGR 8-MSOP TPS2390DGKR-ND - IC HOT SWAP PWR MGR 8-MSOP TPS2390DGKG4-ND - IC HOT SWAP PWR MGR 8-MSOP 296-13511-5-ND - IC HOT SWAP PWR MGR 8-MSOP |
| 其它名称： | 296-20591 TPS2390EVM-ND |
SLUU150 – February 2003
4
4.1
Using the Evaluation Module to Evaluate the TPS2390/1
Procedures similar to the steps of Section 3.2.2 for functional test of the EVM can also be used
to continue evaluation of the TPS2390 and TPS2391 hot swap controllers. Additional details
about the EVM features are provided in this section.
The ENABLE switch can be used to enable and disable power to the load (i.e., the VOUT+ and
VOUT – terminals), when the POWER switch is in the ON position.
Also, with the ENABLE switch in the ON position, the POWER switch can be toggled ON and
OFF to simulate hot swap events with the device set up to automatically power up the load.
Test Points
The – 48-V hot swap EVM contains the test points listed in Table 4, for waveform and voltage
monitoring.
Table 4. Test Points
TEST
POINT
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP11
TP10
TP12
TP13
TP15
TP14
TP16
SIGNAL
NAME
FAULT
EN
FLTTIME
IRAMP
– VIN
ISENS
GATE
– VIN
– 48V_RTN
– 48V_IN
VOUT+
VOUT –
DESCRIPTION
Load fault output of the TPS2390/91. On the EVM, this signal drives the red LED.
Device enable input to turn on/off power to the load.
Fault timing waveform of the TPS2390/91.
Current ramp control output waveform.
Negative supply input and reference pin for the TPS2390/91. On the EVM, this is connected to
– 48V_IN.
Current sense input of the controller.
Gate drive for external FET Q1.
Secondary test point on device reference node.
The high side of input power to the EVM. When used in conjunction with a lab supply, this connects
to the (+) jack.
The low side of input power to the EVM. When used in conjunction with a lab supply, this connects to
the ( – ) jack.
High side of switched (load) output power.
Low side of switched (load) output power.
4.2
12
Load Capacitors
Capacitor patterns C6 and C7 are available on the EVM for installation of components to
represent the module input bulk capacitance; i.e., the load capacitance seen by the hot swap
interface circuit. As supplied from the factory, the EVM contains a 100- μ F aluminum electrolytic
installed at C6. Further customization to approximate the user ’ s application can be done using
either C6 or C7. When installing capacitors in these mounting locations, care should be taken to
observe the polarity marking on the PCB silkscreen, and to use appropriately rated capacitors
for voltage withstanding. Generally, telecom applications should use 100-V minimum rated
capacitors.
Banana jacks J3 and J4 are also connected across the output terminals, in parallel with C6 and
C7. These jacks can be used to connect additional loads to the EVM board.
Evaluation Modules for Simple – 48-V Hot Swap Controllers
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2391DGK | 功能描述:热插拔功率分布 Simple-48V 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 |
| TPS2391DGKG4 | 功能描述:热插拔功率分布 Simple-48V 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 |
| TPS2391DGKR | 功能描述:热插拔功率分布 Simple-48V 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 |
| TPS2391DGKRG4 | 功能描述:热插拔功率分布 Simple-48V 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 |
| TPS2391EVM | 功能描述:电源管理IC开发工具 Simple -48V Hot Swap Contr EVM RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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