User`s manual

UPS25 22 RTD Embedded Technologies, Inc
Chapter 4 - HARDWARE DESCRIPTION
This chapter describes the major hardware building blocks of the UPS25, which are:
• The main 25W +5V step-down converter
• Charger power converter
• Ni-MH/Ni-Cd battery charger
• Power switching circuitry
• Voltage monitors
• UPS control circuitry
• I/O interface connector
Fig. 4-1 Block diagram of the UPS25