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參數(shù)資料
| 型號： | TPS2055P |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES |
| 中文描述： | 限流配電開關(guān) |
| 文件頁數(shù)： | 18/23頁 |
| 文件大?。?/td> | 406K |
| 代理商： | TPS2055P |
TPS2045, TPS2055
CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
SLVS182 – APRIL 1999
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
USB power-distribution requirements
USB can be implemented in several ways, and, regardless of the type of USB device being developed, several
power distribution features must be implemented.
Bus-Powered Hubs must:
–
Enable/disable power to downstream ports
–
Power up at <100 mA
–
Limit inrush current (<44
and 10
μ
F)
Functions must:
–
Limit inrush currents
–
Power up at <100 mA
The feature set of the TPS2045 and TPS2055 allows them to meet each of these requirements. The integrated
current-limiting and overcurrent reporting is required by hosts and self-powered hubs. The logic-level enable
and controlled rise times meet the need of both input and output ports on bus-power hubs, as well as the input
ports for bus-power functions (see Figure 32).
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| TPS2055PE4 | 功能描述:電源開關(guān) IC - USB DUAL HI-SIDE MOSFET RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2056 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES |
| TPS2056A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES |
| TPS2056AD | 功能描述:電源開關(guān) IC - USB Dl .345A 2.7-5.5V Hi RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2056ADG4 | 功能描述:電源開關(guān) IC - USB Dl .345A 2.7-5.5V Hi RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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