Kit
Operation
CY4521 EZ-
PD™ CCG2 Evaluation Kit Guide, Doc. No. 002-15712 Rev. *A
39
the CCG EVK base board to measure the output voltage in the dead battery charging scenario. The output voltage at the
consumer power output header (J7) is based on the power negotiation between the CCG2 device and the Type-C power
adapter. Thus, it will vary based on the attached Type-C power adapter. This demonstrates that a CCG2 enabled
notebook with a Type-C port can be charged from the dead battery condition.
5.4.3 Power Supply Connections
A PC/notebook with a USB 3.0 port and a DisplayPort, along with the CY4521 EZ-PD CCG2 EVK, is equivalent to a PD-
enabled Type-C port Notebook as shown in
. In a real Type-C Notebook design, power from the power output
header (J7) of the CCG EVK base board acting as the power adapter is connected to a Battery Charger Circuit (BCC) of a
USB 3.0 Notebook/PC. On the CCG4521 EVK setup, the DC power jack J1 on the CCG EVK base board is provided for
demonstration purposes only because the internal supply from the notebook is not available. In a real system, the DC power
input header J12 of the CCG EVK base board would be connected to the power system of the notebook. A DC power adapter
(if required, shown as “Notebook Power Adapter” block in
) would be connected to an
“ORing Controller” block
which supplies power to the Battery Charger Circuit.
Power being provided to the CY4521 EZ-PD CCG2 EVK setup would come from a PMIC in the Notebook, and the input
source to that PMIC could be either the notebook battery, a DC power adapter or, a Type-C power adapter.
Figure 5-7: Type-C Notebook Design Using CY4521 EZ-PD CCG2 EVK
Power
Input
Header
(J12)
Power
Consumer
Control
Circuitry
Power
Provider
Control
Circuitry
VBUS_P_
CTRL
EZ-
PD™ CCG2
Type-C
Port
Power
Output
Header
(J7)
CY4521 EZ-PD CCG2 EVK
USB 3.0 NOTEBOOK
Battery
Charger
Circuit
Internal
Battery
Notebook with Type-C Port
DC IN
(J1)
VBUS_C_
CTRL
PMIC
Type-C
Power
Adapter
CY4521 CCG2 Daughter Card
CCG EVK Base Board
ORing Controller
Notebook
Power
Adapter
Summary of Contents for EZ-PD CY4521
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