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Silicon Labs CP21 Series

5 variants · Silicon Labs

About the Silicon Labs Silicon Labs CP21 Series series

The Silicon Labs Silicon Labs CP21 Series series groups 5 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common case of 28-WFQFN Exposed Pad, current - supply of 9.5mA and function of Bridge, USB to UART.

Shared specifications

Case
28-WFQFN Exposed Pad
Current - supply
9.5mA
Function
Bridge, USB to UART
Interface
UART
Operating temperature
-40°C ~ 85°C (TA)
Package
Tape & Reel (TR); Cut Tape (CT)
Protocol
USB
Standards
USB 2.0
Voltage
3V ~ 3.6V

Request a quote on any Silicon Labs CP21 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

What is the Silicon Labs Silicon Labs CP21 Series series?
A group of 5 related Silicon Labs part numbers sharing a common case of 28-WFQFN Exposed Pad and current - supply of 9.5mA, each listed with specifications.
How many Silicon Labs Silicon Labs CP21 Series part numbers are listed?
5 Silicon Labs Silicon Labs CP21 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Silicon Labs Silicon Labs CP21 Series?
Request a quote (RFQ) for any Silicon Labs CP21 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants