REQ-F-03 — The unit shall request the desired USB-C PD input voltage (5 V, 9 V, 12 V, 15 V, or 20 V) from the source using the CH224K CFG1/CFG2/CFG3 pins, set by a 3-position DIP switch. No firmware is required.
approved · Functional
Statement
The unit shall request the desired USB-C PD input voltage (5 V, 9 V, 12 V, 15 V, or 20 V) from the source using the CH224K CFG1/CFG2/CFG3 pins, set by a 3-position DIP switch. No firmware is required.
Acceptance Criteria
All five CFG combinations shall be tested with a PD analyzer. The PD analyzer shall confirm the unit successfully negotiates the requested PDO in each case.
Linked Test Cases
| Code | Title | Status |
|---|---|---|
TC-F-03 |
PD CFG pin — all 5 input voltage combinations | pass |
Sign-offs
No sign-offs recorded. Approving a requirement records one here.