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USB5744 датащи(PDF) 29 Page - Microchip Technology

номер детали USB5744
подробное описание детали  4-Port SS/HS USB Controller Hub
PDF  51 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB5744 датащи(HTML) 29 Page - Microchip Technology

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 2022 Microchip Technology Inc. and its subsidiaries
DS00001855L-page 29
USB5744
8.4.2.3
Port Power Control with Single Poly Fuse and Multiple Loads
Many customers use a single poly fuse to power all their devices. For the ganged situation, all power control pins must
be tied together.
8.4.3
PORT CONTROLLER CONNECTION EXAMPLE
FIGURE 8-6:
PORT POWER CONTROL WITH GANGED CONTROL WITH POLY FUSE
FIGURE 8-7:
USB5744 WITH 4 GENERIC PORT POWER CONTROLLERS (2 BC ENABLED)
Pull-Up Enable
USB
Device
Poly Fuse
5V
Pull-Up Enable
Pull-Up Enable
50k
50k
50k
PRTPWR
OCS
USB
Device
USB
Device
PRT_CTLx
PRT_CTLy
PRT_CTLz
USB5744
Port 1
Connector
Generic Port
Power Controller
POWER
(High Current)
(BC Enabled)
OCS
D+
D
-
VBUS
D+
D-
Port 2
Connector
Generic Port
Power Controller
POWER
(High Current)
(BC Enabled)
OCS
D+
D
-
VBUS
D+
D-
PRT_CTL2
PRT_CTL1
Port 3
Connector
Generic Port
Power Controller
POWER
OCS
D+
D
-
VBUS
D+
D-
PRT_CTL3
Port 4
Connector
Generic Port
Power Controller
POWER
OCS
D+
D
-
VBUS
D+
D-
PRT_CTL4



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