Psemi CORP
At a glance
Employees500+
In business sinceNot reported
HeadquartersSan Diego, CA
US patents649
SAM.gov UEIFKNMMNPP6LE4
CAGE code1DMF1
Incorporated inDE
- semiconductors
- RF switches
- converters
- 8.5 GHz
- buck converter
- USB-PD systems
- SP4T switches
- base stations
- networks
Named on the company’s own website, read JUL 29, 2026
What they make
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
649 US patents granted 2018–2025, 410 of them in the five years to SEP 2025.
Basic communication processes 375Electrical machinery, apparatus, energy 144Telecommunications 43Semiconductors 36Control 23
- Devices and methods for improving voltage handling and/or bi-directionality of stacks of elements when connected between terminalsUS 12,431,890 · granted SEP 30, 2025
- Dynamic fast charge pulse generator for an RF circuitUS 12,431,846 · granted SEP 30, 2025
- Methods and apparatuses for use in tuning reactance in a circuit deviceUS 12,425,016 · granted SEP 23, 2025
- Startup of switched capacitor step-down power converterUS 12,424,936 · granted SEP 23, 2025
- RF switch stack with charge redistributionUS 12,418,288 · granted SEP 16, 2025
Newest 5 shown · Granted to pSemi Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Psemi CORP | San Diego | CA | 500+ | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.