Supply number	Voltage range	Current capacity	Notes
1	2.5–8 V	500 mA	Ground-referenced
2	2.5–15 V	300 mA	Bipolar or floating
3	2.5–15 V	300 mA	Bipolar or floating
4	5 V	3 A	Fixed logic supply, commercial module

Table 1—As you can see, there are four power supplies. I’ve included all
 of the information you need to understand their capabilities.