Kit
Operation
CY4521 EZ-
PD™ CCG2 Evaluation Kit Guide, Doc. No. 002-15712 Rev. *A
40
The CCG2 daughter card consists of both power provider and power consumer circuitry for the Type-C port. The CCG2 device
controls this circuitry and decides the source of power for the CCG EVK base board and the CCG2 daughter card. The power
input header on the CCG EVK base board can receive DC power directly. The power output header on the CCG EVK base
board can source power directly when a Type-C power adapter is connected to the Type-C port.
In a CY4521 EZ-PD CCG2 EVK enabled Type-C PC design, the entire EVK can be powered using the following methods:
Method 1
: A DC power adapter is connected to the DC power jack (J1) on CCG EVK base board. In this scenario, the CCG2
device turns on the power provider control circuitry and power is available on the power input headers.
Method 2
: A Type-C power adapter is connected to the Type-C port. In this scenario, the CCG2 device turns on the power
consumer control circuitry and power is available on the power output headers.
5.4.4 Common Problems and Troubleshooting
If the demo is not functional, follow these guidelines to troubleshoot:
1. Ensure that the CY4521 EZ-PD CCG2 EVK
’s base board and daughter card are powered by verifying that LED1 on the
CCG EVK base board and LED2 on the CCG2 daughter card are glowing green and LED2 on the CCG EVK base board
is blinking orange. If LED2 on the CCG EVK base board is not blinking, the CCG2 device is not active. Assert and release
the reset button (SW1) on the CCG2 daughter card.
2. Ensure that the CCG2 daughter card is mounted properly on the CCG EVK base board. All connections between the two
boards must be completely mated.
3. Ensure that the I/O Supply Selection jumper (J3) of the CCG2 daughter card is set to its default setting (2-3 short as
4. If there is no voltage at jumper J7 of the CCG EVK base board, verify the connection of the Type-C Power Adapter to the
CCG EVK base board. Also ensure that the connected Type-C power adapter supports a 5V to 20V power profile.
Summary of Contents for EZ-PD CY4521
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