CP2102N in Silicon Labs CP2102 / CP2104 Family
The CP2102N family by Silicon Labs represents the latest generation of USBXpress USB-to-UART bridge controllers. Designed to replace traditional serial-to-USB designs, these highly integrated ICs eliminate the need for external crystals and voltage regulators. They offer a cost-effective solution for adding USB connectivity to embedded systems without requiring complex firmware development, providing a seamless interface between a microcontrollers' UART and a host PC's USB port via virtual COM port drivers.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | Package | Stock |
|---|---|---|
| CP2102N-A02-GQFN20R (Silicon Labs) | WFQFN-20 | 8,831 |
| CP2102N-A02-GQFN24R (Silicon Labs) | VFQFN-24 | 11,096 |
| CP2102N-A02-GQFN20 (Silicon Labs) | WFQFN-20 | 29,060 |
| CP2102N-A02-GQFN24 (Silicon Labs) | VFQFN-24 | 15,235 |
Variants within the CP2102N sub-family primarily differ by package size and GPIO availability. The GQFN20, GQFN24, and GQFN28 packages offer 4, 7, and 7 GPIO pins respectively, with the QFN28 providing additional modem control signals like RI and DCD. Revisions such as A01 vs A02 indicate silicon iterations addressing minor errata, while the 'R' suffix denotes tape and reel packaging for high-volume automated assembly.
