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USB5906C 데이터시트(PDF) 31 Page - Microchip Technology

부품명 USB5906C
상세설명  6-Port USB 3.2 Gen 1 SmartHubTM IC with Support for a Single USB Type-C짰 UFP
PDF  64 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB5906C 데이터시트(HTML) 31 Page - Microchip Technology

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2022 Microchip Technology Inc. and its subsidiaries
DS00003188C-page 31
USB5906C
8.2
Battery Charging
The device can be configured by an OEM to have any of the downstream ports support battery charging. The hub’s role
in battery charging is to provide acknowledgment to a device’s query as to whether the hub system supports USB battery
charging. The hub silicon does not provide any current or power FETs or any additional circuitry to actually charge the
device. Those components must be provided externally by the OEM.
If the OEM provides an external supply capable of supplying current per the battery charging specification, the hub can
be configured to indicate the presence of such a supply from the device. This indication, via the
PRT_CTL[6:1] pins, is
on a per port basis. For example, the OEM can configure two ports to support battery charging through high current
power FETs and leave the other two ports as standard USB ports.
For additional information, refer to the Microchip USB5906C Battery Charging application note on the Microchip.com
USB5906C product page www.microchip.com/USB5906C.
FIGURE 8-3:
UFP TYPE-C PORT WITH GENERIC TYPE-C CONTROLLER & INTERNAL MUX
(MODE 2)
FIGURE 8-4:
BATTERY CHARGING EXTERNAL POWER SUPPLY
UTC2000
UFP Mode
USB Type-C
Internal Mux
Upstream Port
VBUS
SSTXA+
SS TXA-
SSRXA+
SSRXA-
SSTXB+
SS TXB-
SSRXB+
SSRXB-
D+
D-
CC1
CC2
CC1
CC2
CONNECTED#
PLUG_OR#
VBUS_DET
SSTXA+
SSTXA-
SSRXA+
SSRXA-
SSTXB+
SSTXB-
SSRXB+
SSRXB-
D+
D-
ATTACH_MUX A
AB
ALT_MUX_EN
CC_POL
USB Type-C
3.3V
3.3V
3.3V
SOC
VBUS[n]
INT
SCL
SDA
Microchip
Hub
DC Power



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