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USB5826C/KD 数据表(PDF) 33 Page - Microchip Technology

部件名 USB5826C/KD
功能描述  6-Port USB 3.2 Gen 1 SmartHubTM IC with Support for Dual USB Type-C짰 DFPs
PDF  66 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB5826C/KD 数据表(HTML) 33 Page - Microchip Technology

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2022 Microchip Technology Inc. and its subsidiaries
DS00003187C-page 33
USB5826C
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 USB5826C Battery Charging application note on the Microchip.com
USB5826C product page www.microchip.com/USB5826C.
FIGURE 8-4:
DFP TYPE-C PORT WITH GENERIC TYPE-C CONTROLLER AND INTERNAL MUX
(MODE 2)
FIGURE 8-5:
BATTERY CHARGING EXTERNAL POWER SUPPLY
USB Type-C
Internal Mux
Downstream Port
VBUS
SSTXA+
SSTXA-
SSRXA+
SSRXA-
SSTXB+
SSTXB-
SSRXB+
SSRXB-
D+
D-
CC1
CC2
GENERIC
PORT PWR
CTLR
POWER
OCS
SSTXA+
SSTXA-
SSRXA+
SSRXA-
SSTXB+
SSTXB-
SSRXB+
SSRXB-
D+
D-
PRTCTL
USB Type-C
UTC2000
UFP Mode
ENABLE
OCS#
PLUG_OR#
PPC_EN
CC1
CC2
AB
C_ATTACH
ALT_MUX_EN
CC_POL
3.3V
SOC
VBUS[n]
INT
SCL
SDA
Microchip
Hub
DC Power



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