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参数资料
| 型号： | TPS2062D |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 13/40页 |
| 文件大小： | 1325K |
| 代理商： | TPS2062D |
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IN
OC1
OC2
2
8
3
5
4
7
0.1
F
10
F
Internal
Function
OUT1
Power Supply
3.3 V
EN1
6
0.1
F
10
F
OUT2
Internal
Function
0.1
F
10
F
USB
Control
GND
VBUS
D
D+
TPS2062
EN2
GND
1
SLVS490I – DECEMBER 2003 – REVISED OCTOBER 2009
www.ti.com
Figure 28. High-Power Bus-Powered Function
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.
Hosts/SPHs must:
–
Current-limit downstream ports
–
Report overcurrent conditions on USB VBUS
BPHs must:
–
Enable/disable power to downstream ports
–
Power up at <100 mA
–
Limit inrush current (<44
and 10 μF)
Functions must:
–
Limit inrush currents
–
Power up at <100 mA
The feature set of the TPS206x 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-powered hubs, as well as the input ports for
bus-powered functions (see Figure 29).
20
Copyright 2003–2009, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2062D | 制造商:Texas Instruments 功能描述:IC POWER DIS SWITCH DUAL 1A 制造商:Texas Instruments 功能描述:IC, POWER DIS SWITCH, DUAL, 1A 制造商:Texas Instruments 功能描述:IC, POWER DIS SWITCH, DUAL, 1A; Power Load Switch Type:High Side; Input Voltage:5.5V; Current Limit:1.5A; On State Resistance:0.07ohm; Distribution Switch Case Style:SOIC; No. of Pins:8; Thermal Protection:Yes; On / Enable Input ;RoHS Compliant: Yes |
| TPS2062D-1 | 功能描述:电源开关 IC - USB Current-Limited 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 |
| TPS2062D-1G4 | 功能描述:电源开关 IC - USB Crnt-Ltd Pwr-Dist Sw 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 |
| TPS2062DG4 | 功能描述:电源开关 IC - USB Dual 1A Current-Limited 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 |
| TPS2062DGN | 功能描述:电源开关 IC - USB Dual 1A Current-Limited 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 |
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