| STPM01 | Active | Active, reactive, apparent energies and RMS, OTP, anti-tamper | SPI | TSSOP 20 | 2 | 0.4 | 0.1 | 1000:1 |
| STPMS1 | Active | ASSP, I/V measurement | Serial | VFQFPN 16 3x3x0.9 | 2 | 2 |
| STPM10 | Active | HW registers, Voltage line frequency, anti-tamper | SPI | TSSOP 20 | 2 | 0.8 | 0.1 | 1000:1 |
| STPMC1 | Active | Hall and temperature sensors supported, anti-tamper | SPI | TSSOP 20 | 5 | 0.4 | 0.1 | 1000:1 |
| STPMS2 | Active | ASSP, Hall sensors supported, I/V measurement | Serial | VFQFPN 16 4x4x1.0 | 2 | 4 |
| STPM33 | Active | All sensors supported, voltage line frequency, SAG, SWELL, ZC | SPI, UART | VFQFPN 32 5x5x1.0 | 3 | 4 | 0.1 | 5000:1 |
| STPM34 | Active | All sensors supported, voltage line frequency, SAG, SWELL, ZC | SPI, UART | VFQFPN 32 5x5x1.0 | 4 | 4 | 0.1 | 5000:1 |
| STPM32 | Active | All sensors supported, voltage line frequency, SAG, SWELL, ZC | SPI, UART | QFN-24L | 2 | 4 | 0.1 | 5000:1 |
