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| 型號： | MIC2010-2PCQS |
| 廠商： | MICREL INC |
| 元件分類： | 電源管理 |
| 英文描述： | CONNECTOR |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 51K |
| 代理商： | MIC2010-2PCQS |
September 2000
1
MIC2010/2070
MIC2010
Micrel
MIC2010/MIC2070
USB Power Controller
Advance Information
General Description
The MIC2010 is a dual channel USB power switch designed
to support the power distribution requirements for USB Wakeup
from the ACPI S3 state. The MIC2010 will directly switch its
two outputs between a 5V main supply and a 5V auxiliary
supply normally provided in ATX style power supplies.
The MIC2010 will adjust its current-limit threshold according
to the ACPI state it is in. In the normal active ACPI S0 state
the current-limit is set at 500mA minimum per channel
satisfying the USB continuous output current specification. In
the S3 state the current-limit can be reduced to a value
determined by an external resistor to minimize the current
that is supplied by the auxiliary supply, thereby ensuring that
voltage regulation is maintained even during fault conditions.
The MIC2010 provides make-before-break switching to en-
sure glitch-free transitions between the S3 and S0 states.
Each channel is also thermally isolated from the other so that
a fault in one channel does not effect the other. FAULT status
output signals are also provided indicating overcurrent and
thermal shutdown conditions.
The MIC2070 option latches the output off upon detecting an
overcurrent condition lasting for more than 5ms minimum.
The output can be reset by either toggling the EN inputs of the
MIC2070-1/-2 or by removing the load. Latching the output
off provides a circuit breaker mode of operation which re-
duces power consumption during fault conditions.
Typical Application
MIC2010-1P/-2P
MAIN
AUX
EN1
EN2
S3#
FAULT1
FAULT1
GND
V
BUS
D+
D–
GND
OUT1
Downstream
USB
100
μ
F
5V MAIN
ATX Power Supply
V
BUS
D+
D–
GND
DoUSB
Port 2
OUT2
RSET1
RSET2
5V STANDBY
82801AA or Equivalent
SLP S3#
SLP S5#
OC0
OC1
Overcurrent Port 1
Overcurrent Port 1
ON/OFF 1
ON/OFF 2
S3# CONTROL
100
μ
F
Figure 1. USB Wakeup From ACPI S3 System Diagram
Features
Compliant to USB power distribution specifications
Two completely independent switches
Integrated switching matrix supports ACPI S0/S3 state
transitions without external FET circuits
Make-before-break switching ensures glitch-free
transitions
No back-feed of auxiliary supply onto main supply
during standby mode
Bi-level current-limit preserves auxiliary supply voltage
regulation in standby mode
Thermally isolated channels
Thermal shutdown protection
Fault status outputs with filter prevents false assertions
during hot-plug events
Circuit breaker options with auto-reset (MIC2070)
Undervoltage lockout
Applications
Desktop PCs
Notebook PCs
Notebook docking stations
LAN Servers
PC motherboard
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
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| MIC2070-1CQS | Circular Connector; Body Material:Aluminum; Series:PT07; Number of Contacts:39; Connector Shell Size:20; Connecting Termination:Crimp; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Socket; Insert Arrangement:20-39 |
| MIC2010 | USB Power Controller Advance Information |
| MIC2070 | USB Power Controller(雙通道USB功率轉(zhuǎn)換控制器) |
| MIC2027-1BM | Quad USB Power Distribution Switch Preliminary Information |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2010-2PCQS TR | 功能描述:IC USB PWR CTRLR DUAL 16-QSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
| MIC2010-2PZQS | 功能描述:電源開關(guān) IC - USB USB Power Controller - Lead Free 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 |
| MIC2010-2PZQS TR | 功能描述:電源開關(guān) IC - USB USB Power Controller - Lead Free 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 |
| MIC2012 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:USB Power Controller Advance Information |
| MIC2012_05 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:USB Power Controller |
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