NXP Semiconductors PN7150 Hardware Design Manual page 26

NXP Semiconductors
10. Q&A
• How to optimize the NFC controller power consumption when the host
• When using the PN7150, is it mandatory to connect VBAT2 to VBAT?
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controller is shutdown or enters stand-by mode?
The PN7150 can be configured to enter standby mode when there is no activity
from the host controller side after a programmable timeout (see configuration
details in the PN7150 User Manual [2]).
Standby mode can be activated by setting the proper EEPROM configuration and
it is retained (so only need to be activated once if not disabled afterwards).
Yes, it is mandatory.
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Rev. 1.2 — 15 January 2018
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PN7150 Hardware Design Guide
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