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UCS1003-1 датащи(PDF) 49 Page - Microchip Technology

номер детали UCS1003-1
подробное описание детали  USB Port Power Controller with Charger Emulation
PDF  138 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

UCS1003-1 датащи(HTML) 49 Page - Microchip Technology

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 2014-2015 Microchip Technology Inc.
DS20005346B-page 49
UCS1003-1/2/3
7.5.2
LATCHED FAULT HANDLING
When the LATCH control is high, latch Fault handling is
used. When an error condition is detected, the
UCS1003-1/2/3 will enter the Error power state and
assert the ALERT# pin. Upon command from the host
controller (by toggling the PWR_EN control from
enabled to disabled or by clearing the ERR bit via
SMBus), the UCS1003-1/2/3 will check error conditions
once and restore Active operation if error conditions no
longer exist. If an error condition still exists, the host
controller is required to issue the command again to
check error conditions.
FIGURE 7-1:
Error Recovery Timing (Short-Circuit Example).
tRST
VBUS
IBUS
Short Applied
ITST
tDISCHARGE
ITST
VTEST
Short Detected,
VBUS Discharged,
Enter Error State
Check Short Condition,
Short Still Present,
Return to Error State
Wait tCYCLE
Wait tCYCLE
Check Short Condition,
Short Removed,
Return to Normal
Operation
tCYCLE
tCYCLE
tRST



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