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UCS3205 Datasheet(PDF) 16 Page - Microchip Technology

Part # UCS3205
Description  5A, 22V Bidirectional Load Switch with Fast Role Swap
PDF  30 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

UCS3205 Datasheet(HTML) 16 Page - Microchip Technology

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UCS3205
DS20006433A-page 16
 2020 Microchip Technology Inc.
FIGURE 4-1:
UC3205 State Diagram.
RESET
OPERATING
RETRY
SW OFF
FAULT# =
1
SW ON
FAULT# = 1
SW ON
FAULT# = 0
EN =
0
FAULT
SW OFF
FAULT# = 0
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
VIN > VIN_STRT for t > tSTRT_EN then
EN = 1 and
FAULT_DETECT = 0 and
t > tSTRT_CLD
EN = 0
EN = 0
EN = 0
VIN > VUV_HIGH
EN = 1 and
FAULT_DETECT = 0 and
t > tSTRT_CLD
(LATCH = 1 and
EN = 0 for t > tDIG_HOLD to EN = 1 and
DSC = 0 and
t > tFAULT_ACK and
FAULT_DETECT = 0)
OR
(LATCH = 1 and
EN = 0 for t > tDIG_HOLD to EN = 1 and
DSC = 1 and
t > tFAULT_ACK and
t > tDISCHARGE and
FAULT_DETECT = 0)
FAULT_DETECT = 1
FAULT_DETECT = 1
(LATCH = 0 and
DSC = 1 and
t > tRETRY and
t > tDISCHARGE)
OR
(LATCH = 0 and
DSC = 0 and
t > tRETRY)
EN = 1
AND
FAULT_DETECT = 1



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