- 您现在的位置：买卖IC网 > PDF目录136951 > TPS2051DRG4 (TEXAS INSTRUMENTS INC) SPECIALTY ANALOG CIRCUIT, PDSO8 PDF资料下载
参数资料
| 型号： | TPS2051DRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封装： | GREEN, PLASTIC, SOIC-8 |
| 文件页数： | 13/25页 |
| 文件大小： | 566K |
| 代理商： | TPS2051DRG4 |
TPS2041, TPS2051
POWER-DISTRIBUTION SWITCHES
SLVS172A –AUGUST 1998 – REVISED APRIL 1999
20
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
generic hot-plug applications (see Figure 34)
In many applications it may be necessary to remove modules or pc boards while the main unit is still operating.
These are considered hot-plug applications. Such implementations require the control of current surges seen
by the main power supply and the card being inserted. The most effective way to control these surges is to limit
and slowly ramp the current and voltage being applied to the card, similar to the way in which a power supply
normally turns on. Due to the controlled rise times and fall times of the TPS2041 and TPS2051, these devices
can be used to provide a softer start-up to devices being hot-plugged into a powered system. The UVLO feature
of the TPS2041 and TPS2051 also ensures the switch will be off after the card has been removed, and the switch
will be off during the next insertion. The UVLO feature guarantees a soft start with a controlled rise time for every
insertion of the card or module.
Power
Supply
Block of
Circuitry
TPS2041
GND
IN
EN
OUT
OC
0.1
F
1000
F
Optimum
2.7 V to 5.5 V
PC Board
Overcurrent Response
Figure 34. Typical Hot-Plug Implementation
By placing the TPS2041 and TPS2051 between the VCC input and the rest of the circuitry, the input power will
reach these devices first after insertion. The typical rise time of the switch is approximately 2.5 ms, providing
a slow voltage ramp at the output of the device. This implementation controls system surge currents and
provides a hot-plugging mechanism for any device.
相关PDF资料 |
PDF描述 |
|---|---|
| TPS2112PWG4 | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| TPS3606-33DGSRG4 | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO10 |
| TL2845BPE4 | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8 |
| TPS62402QDRCQ1 | SWITCHING REGULATOR, PDSO10 |
| TC151B4020EOA723 | 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2051P | 功能描述:电源开关 IC - USB 0.7A 2.7-5.5V Hi RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| TPS2051PE4 | 功能描述:电源开关 IC - USB DUAL HI-SIDE MOSFET RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| TPS2052 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL POWER-DISTRIBUTION SWITCHES |
| TPS2052A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:0.7A. 2.7-5.5V Dual (1In/ 2Out) Hi-Side MOSFET. Fault Report. Act-High Enable |
| TPS2052AD | 功能描述:电源开关 IC - USB Dl .345A 2.7-5.5V Hi RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
发布紧急采购，3分钟左右您将得到回复。