Vbus Power Switching Connection; Usb Power Switch - NEC Renesas mPD720210 Hardware User Manual

μ
PD720210
7.4

VBUS Power Switching Connection

7.4.1

USB Power Switch

PD720210
Remark: The 3.3 V that pulls up OCIxB must be the same 3.3 V supplied to the
Remark: Total capacitance of VBUS should be no less than 120
R19UH0093EJ0200 Rev.2.00
May 26, 2014
Figure 7-3. VBUS Switch Connection
3.3V
USB
VBUS Switch
4.7 K
Ω
PPONxB
EN
OCIxB
OC
7. Peripheral Component Connection
5V
IN
OUT
10uF
Total capacitance
should be more than
120uF as defined in
USB3.0 standard
μ
F. See 11.4.4.1 of USB 3.0 Specification.
Downstream
USB Connector
9
VBUS
1
8
D-
2
7
D+
3
6
GND
150uF
4
5
μ
PD720210.
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