I am making a unit, which collects data and uses the NT3H to send it. It'll be battery-powered but have the NT3H only powered when in RF. Its I2C will be connected to active devices. Will the SCL/SDA be OK with volts but no VCC?

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I am making a unit, which collects data and uses the NT3H to send it. It'll be battery-powered but have the NT3H only powered when in RF. Its I2C will be connected to active devices. Will the SCL/SDA be OK with volts but no VCC?

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simon_wyre
Contributor I

I2C operation of un-powered NT3H2111 device

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IvanRuiz
NXP Employee
NXP Employee

Hello,

Please refer to chapter 8.6 Energy Harvesting of the data-sheet for the recommended configurations: https://www.nxp.com/docs/en/data-sheet/NT3H2111_2211.pdf 

Regards,

Ivan.

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