CP2112 in Silicon Labs CP2102 / CP2104 Family
The CP2112 family by Silicon Labs consists of highly integrated USB-to-SMBus/I2C bridge controllers designed to simplify the interfacing of USB hosts with I2C-compatible peripheral devices. Unlike standard UART bridges, the CP2112 utilizes the HID (Human Interface Device) class, which eliminates the need for custom driver installation on most operating systems. These controllers include an internal oscillator, one-time programmable memory, and eight GPIO pins, making them a compact solution for system configuration and hardware validation.
Variants in This Sub-Family
| Part Number | Difference | Stock |
|---|---|---|
| CP2112-F03-GM (Silicon Labs) | F03-GM | 11,064 |
Variants within the CP2112 family, such as the CP2112-F03-GM, primarily differ based on firmware revisions and packaging specifications. While the core functionality remains consistent across the HID-to-SMBus bridge architecture, specific ordering parts like the -F03 denote updated internal ROM configurations or bug fixes over earlier silicon revisions. All current versions maintain pin-compatibility within the QFN24 footprint to ensure seamless migration between production lots.
