S6BP501A/502A Pin Connection when Not Using DD1V Power Rail - KBA224528
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Author: RinoS_61 Version: **
Translation - Japanese: DD1V電源レールを使用しない場合のS6BP501A/502Aピン接続 - KBA224528 - Community Translated (JA)
Question:
How to connect the pins when not using the DD1V power rail of S6BP501A/502A?
Answer:
When not using the DD1V power rail of S6BP501A/502A, DD1V block pins should be connected as Table1 shows.
Table 1. DD1V block pins
Pin No. | Pin name | I/O | Description | Pin connection when not used |
1 | FB1V | I | Feedback pin for DD1V output voltage | Ground |
2 | PVCC1V | - | Power supply pin for DD1V | IN3V pin |
3 | LX1V | O | Inductor connection pin for DD1V | Open |
4 | PGND1V | - | Power ground pin for DD1V | Ground |
26 | EN1V | I | Enable pin for DD1V | Ground |
30 | PG1V | O | Open drain type power good output pin for DD1V | Ground |
When not using the DD1V power rail of S6BP501A/502A, some of the components are not required. Figure 1 shows these marked as X.
Figure 1. Schematic of S6BP501A/502A showing unnecessary components