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參數(shù)資料
| 型號： | MIC2551ABTS TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 9/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB TRANSCEIVER 14-TSSOP |
| 標準包裝： | 2,500 |
| 類型： | USB 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | USB 2.0 |
| 電源電壓： | 4 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | MIC2551ABTSTR MIC2551ABTSTR-ND |
November 2008
7
M9999-112008
MIC2551
Micrel, Inc.
Functional Description
The MIC2551 is designed to provide USB connectivity in
mobile systems where available system supply voltages are
not able to satisfy USB requirements. The MIC2551 can
operate down to supply voltages of 1.6V and still meet USB
physical layer specifications. As shown in the circuit above,
the MIC2551 takes advantage of the USB supply voltage,
V
BUS, to operate the transceiver. The system voltage, VIF, is
used to set the reference voltage used by the digital I/O lines
interfacing to the system controller. Internal circuitry provides
translation between the USB and system voltage domains.
V
IF will typically be the main supply voltage rail for the
controller.
Functional Diagram
To Internal
Circuitry
VBUS
VTERM
VPU
D+
D–
Le
v
e
l
Tr
a
nslator
LDO
Regulator
VIF
CON
SPD
OE#
RCV
VP
VM
SUS
GND
MIC2551 Block Diagram
In addition, a 3.3V, 10% termination supply voltage, V
PU, is
provided to support speed selection. V
PU can be disabled or
enabled under software control via the CON input. This
allows for software-controlled connect or disconnect states.
A 1.5k resistor is required to be connected between this pin
and the D+ or D– lines to respectively specify high speed or
low speed operation.
The use of ESD transient protection devices is not required
for operation, but is recommended. The MIC2551 is ESD
rated for 11kV at the VBUS and D+, D– pins and 2kV for all
other pins.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2551AYML | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC2551AYML TR | 功能描述:USB 接口集成電路 USB Transceiver - Lead Free RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MIC2551AYML25 | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: 制造商:Micrel Inc 功能描述: |
| MIC2551AYML25 TR | 功能描述:USB 接口集成電路 USB Transceiver - Lead Free RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MIC2551AYML25-TR | 功能描述:1/1 Transceiver Half USB 2.0 14-MLF? (2.5x2.5) 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):停產(chǎn) 類型:收發(fā)器 協(xié)議:USB 2.0 驅(qū)動器/接收器數(shù):1/1 雙工:半 接收器滯后:200mV 數(shù)據(jù)速率:12Mbps 電壓 - 電源:4 V ~ 5.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-VFQFN 裸露焊盤，14-MLF? 供應商器件封裝:14-MLF?（2.5x2.5） 標準包裝:1 |
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