Problem in enabling DC-DC converter in KW30Z BLE SoC

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Problem in enabling DC-DC converter in KW30Z BLE SoC

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dhananjayankutt
Contributor I

Hai and thanks in advance.

For a custom board design based on KW30Z, we are not able to get DC output in VDD_1P8 and VDD_1P45 pins. We have not programmed the SoC and we are using buck mode configuration same as in FRDM-KW40Z and we expected 1.8V and 1.45V at VDD_1P8 and VDD_1P45 respectively upon pressing the PSWITCH.

But unfortunately we could not get the expected output. Can anyone guide us on this and is it correct to set the DC-DC converter in buck mode before programming a fresh KW30Z?

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xiangjun_rong
NXP TechSupport
NXP TechSupport

Hi, Kuttuva,

Have you solved your issue?

BR

Xiangjun Rong

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