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参数资料
| 型号： | MIC2551AYML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 9/11页 |
| 文件大小： | 0K |
| 描述： | IC USB TRANSCEIVER 16-MLF |
| 标准包装： | 1 |
| 类型： | USB 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | USB 2.0 |
| 电源电压： | 4 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VFQFN 裸露焊盘，16-MLF? |
| 供应商设备封装： | 16-MLF?（4x4） |
| 包装： | 标准包装 |
| 产品目录页面： | 1113 (CN2011-ZH PDF) |
| 其它名称： | 576-2663-6 |
November 2008
7
M9999-112008
MIC2551A
Micrel, Inc.
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
MIC2551A
Applications Information
The MIC2551A is designed to provide USB connectivity in
mobile systems where available system supply voltages are
not able to satisfy USB requirements. The MIC2551A can
operate down to supply voltages of 1.6V and still meet USB
physical layer specifications. As shown in the circuit above,
the MIC2551A 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.
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 MIC2551A is ESD
rated for 11kV at the VBUS and D+, D– pins and 2kV for all
other pins.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2551AYTS | 功能描述:USB 接口集成电路 USB Transceiver - Lead Free RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MIC2551AYTS TR | 功能描述:USB 接口集成电路 USB Transceiver - Lead Free RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MIC2551BML | 制造商:Micrel Inc 功能描述:USB Transceiver 1TR 12Mbps 16-Pin MLF EP 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC2551BMLTR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| MIC2551BTS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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