COS6212Q24R HPLC Line Driver: Smart Meters and Concentrators
Smart meters, concentrators and HPLC modules must drive broadband signals onto the power line. That demands strong line-drive capability, linearity and bias modes—and a reliable second source when import lead times slip.
COSINE COS6212Q24R is a differential line-driver amp for broadband PLC/HPLC in QFN-24-EP (4x5). The datasheet lists about 8V–40V supply, an integrated common-mode buffer, multiple bias modes plus shutdown, and wide swing with low distortion into heavy loads. Evaluate against TI THS6222 / THS6212.
Applications
1. Smart grid: single-/three-phase meters, concentrators, collectors, comms modules for bidirectional data.
2. Smart lighting / energy terminals: street lights and home energy nodes using PLC for control.
3. Industrial & EV chargers: PLC links inside chargers and industrial sensors.
Selection checklist
| Item | COS6212 | Why |
|---|---|---|
| Supply | ~8V–40V | Meter/concentrator rails |
| Drive / swing | Large-signal BW, high SR, wide swing, heavy-load drive | Dynamic range & distortion on PLC lines |
| Bias modes | Full/Mod/Low bias + Shutdown (~0.2mA) | TDM receive power saving |
| Integration / package | Integrated CM buffer; QFN24 EP | Fewer externals, better thermal path |
From the COS6212 datasheet—validate on real line impedance and HPLC profiles.
Alternative note vs THS6222 / THS6212
- THS6222IRHFR (TI)
- THS6212IRHFR (TI)
Align package, supply, bias/shutdown pins, drive and distortion; run TX mask and thermal tests on the real power line. Alternative ≠ no-test swap.
Product page
View COS6212Q24R details and datasheet
Summary
COS6212Q24R targets HPLC line drive in smart meters and concentrators, and can be evaluated against THS6222/THS6212 as a second source.
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