STEVAL-ISS001V1 is a line interactive 450 W UPS reference design in a 120 V / 60 Hz model.
This document describes the STEVAL-ISS001V1, a line interactive 450 W UPS reference design intended for 120 V / 60 Hz applications. The design utilizes an off-line topology with AVR boost and buck regulation, featuring a microcontroller to monitor mains and output parameters.
| Output rating power | 700 VA / 450 W |
|---|---|
| Input voltage | 83 Vac + 3% - 153 Vac + 3% |
| Input frequency | 60 Hz |
| Output voltage | 96 - 138 Vac + 3 Vac |
| Output frequency | 60 Hz + 0.1 Hz |
| Transfer time | Class 3 [EN62040-3] |
| Typical recharge time | 8h |
| Backup time (full load) | 2.5 - 3 min. |
| Battery quantity | 2 pieces |
| Battery nominal voltage | 12 V |
| Battery capacity | 7.2 Ah |
| Operating temperature | 0 °C to + 40 °C |
| Size (H x W xD) | 175 mm x 120 mm x 430 mm |
| Weight | 11 kg |
| EMI classification | EN 62040-2 |
The output waveform on battery is a quasi-sine wave.
A microcontroller controls all UPS functions and monitors various parameters.
The UPS has RS-232 and USB interfaces for connection to a PC.