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更新时间:2013-12-05 10:10:10 应用平台:Win9X/Win2000/WinXP
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软件语言:英文 软件类别:开发板资料 > 外围芯片手册
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AIC1526 双通道USB高边电源开关芯片手册


使用该芯片的有:

MYD-SAM9G15 工控板/开发板/核心板

MYD-SAM9G25 工控板/开发板/核心板

MYD-SAM9G35 工控板/开发板/核心板

MYD-SAM9X25 工控板/开发板/核心板

MYD-SAM9X35 工控板/开发板/核心板


MYS-SAM9G45 工控主板/单板机


MYS-SAM9G15 工控板/单板机

MYS-SAM9G25 工控板/单板机

MYS-SAM9G35 工控板/单板机

MYS-SAM9X25 工控板/单板机

MYS-SAM9X35 工控板/单板机


FEATURES
· 110mW (5V Input) High-Side MOSFET Switch.
l 500mA Continuous Load Current per Channel.
l 110mA Typical On-State Supply Current.
l 1mA Typical Off-State Supply Current.
l Current-Limit / Short Circuit Protection.
l Thermal Shutdown Protection under Overcurrent
Condition.
l Undervoltage Lockout Ensures that Switch is off at
Start Up.
l Output can be Forced Higher than Input (Off-
State).
l Open-Drain Fault Flag.
l Slow Turn ON and Fast Turn OFF.
l Enable Active-High or Active-Low.


APPLICATIONS
l USB Power Management.
l Hot Plug-In Power Supplies.
l Battery-Charger Circuit.


DESCRIPTION
The AIC1526 is a dual high-side power switch
for self-powered and bus-powered Universal
Serial Bus (USB) applications. One high-side
switch is a MOSFET with 110mW RDS(ON), which
meets USB voltage drop requirements for
maximum transmission wire length.
Multi-purpose open-drain fault flag output
indicates over-current limiting, thermal
shutdown, or undervoltage lockout for each
channel. Output current is typically limited to 1A,
well below the 5A safety requirement, and the
thermal shutdown function independently
controls each channel under overcurrent
condition.
Guaranteed minimum output rise time limits
inrush current during hot plug-in, minimizing
EMI and preventing the voltage at upstream port
from dropping excessively.


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