Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Package | QFN-28-EP(5×5) |
| Supply voltage | 3V~3.6V |
| Data Rate | 3Mbps |
| Operating Temperature | -40℃~+85℃ |
| Features | Programmable baud rate;Power-on reset;FIFO buffer;Hardware flow control support;Built-in clock generator;Wake-up function |
| Applications Function | USB to UART |
| Quiescent Supply Current | 195uA |
Product Overview
CP2102N-A02-GQFN28 is a SILICON LABS controller identified by the exact orderable code CP2102N-A02-GQFN28. Its confirmed technical identity includes Supply voltage 3V~3.6V, Data Rate 3Mbps, Operating Temperature -40℃~+85℃, Features Programmable baud rate;Power-on reset;FIFO buffer;Hardware flow control support;Built-in clock generator;Wake-up function.
The exact device is described as: USB to UART 3Mbps QFN-28-EP(5×5) Controllers. Selection should be based on the exact package and the operating conditions required by the design, rather than on a nearby family member or a generic part number.
Technical Specifications
| Parameter | Value |
|---|---|
| Package | QFN-28-EP(5×5) |
| Supply voltage | 3V~3.6V |
| Data Rate | 3Mbps |
| Operating Temperature | -40℃~+85℃ |
| Features | Programmable baud rate;Power-on reset;FIFO buffer;Hardware flow control support;Built-in clock generator;Wake-up function |
| Applications Function | USB to UART |
| Quiescent Supply Current | 195uA |
| USB Protocol | USB 2.0 |
| Current – Supply | 9.5mA |
Exact-Part Selection Insight
The exact transceiver/interface part is rated for 3Mbps data rate from 3V~3.6V supplies. Bus termination, common-mode range, node count and logic-side voltage must match the target network; a protocol-family label by itself is not enough to establish substitution compatibility.
Selection Notes
- Package: QFN-28-EP(5×5)
- Supply voltage: 3V~3.6V
- Data Rate: 3Mbps
- Operating Temperature: -40℃~+85℃
- Features: Programmable baud rate;Power-on reset;FIFO buffer;Hardware flow control support;Built-in clock generator;Wake-up function
Application Fit
This exact part is appropriate for designs that require a controller with the confirmed package and electrical/function parameters above. Final fit depends on the surrounding circuit, interface, thermal and mechanical requirements of the target design.
Design Considerations
Confirm the available supply rail stays inside the stated operating range, including startup and transient conditions.
Verify interface voltage levels, bus topology and timing/data-rate requirements against the rest of the system.
Use the exact QFN-28-EP(5×5) footprint/package definition when checking PCB land pattern, assembly clearance and sourcing equivalence.
Related Engineering Resources
- Datasheet — verified HKEQGOO-hosted technical document for this exact product identity.
Alternative Parts
The following source-displayed parts may be useful for engineering comparison. They are not claimed to be drop-in replacements; verify electrical ratings, package, pinout, lifecycle, and application conditions before substitution.
- CP2102N-A02-GQFN28R — SILICON LABS; QFN-28-EP(5×5)
- CP2103-GMR — SILICON LABS; QFN-28-EP(5×5)
- CP2110-F02-GM1 — SILICON LABS; QFN-28-EP(5×5)
- CP2102-GM — SILICON LABS; QFN-28-EP(5×5)
- CP2109-A01-GM — SILICON LABS; QFN-28-EP(5×5)
- XR21B1420IL28TR-F — MaxLinear; QFN-28-EP(5×5)
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment. After an order is placed, physical product, label, packaging, and Date Code photos may be provided where appropriate.
Request a Quote
To request a quotation, provide the manufacturer part number, required quantity, destination, target Date Code if applicable, and any testing or inspection requirements.
Alternative Candidates for Engineering Evaluation
Candidate alternative parts require engineering verification before substitution. Electrical characteristics, pinout, package, qualification, and application requirements should be verified before use.
| MPN | Manufacturer | Package |
|---|---|---|
| CP2102N-A02-GQFN28R | SILICON LABS | QFN-28-EP(5×5) |
| CP2103-GMR | SILICON LABS | QFN-28-EP(5×5) |
| CP2110-F02-GM1 | SILICON LABS | QFN-28-EP(5×5) |
| CP2102-GM | SILICON LABS | QFN-28-EP(5×5) |
| CP2109-A01-GM | SILICON LABS | QFN-28-EP(5×5) |
| XR21B1420IL28TR-F | MaxLinear | QFN-28-EP(5×5) |
