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S6BP501A/502A Pin Connection when Not Using DD1V Power Rail - KBA224528

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

screencapture-change-cypress-repository-ecn-6-2-5-9-0-5-9-6259059-3587936-002-24528-pdf-2018-07-25-13_04_49.jpeg

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