Choosing 6 different schematic for Nrf52840

[Ekmekci]

Hello, 

I am trying to designe my own iot sensor board with nrf52840

For my sensor board i will just add lipo charger IC and MPU6050 (accelerometer) 

When i look at designe reference there are 6 different schematic.

I dont know which one i need to use, which one fit for me.

I just get accelerometer datas and power supply is 3.7V(1S) LiPo battery. I will use ultra lowpower mode.

I am waiting your valuable suggestions.

Best regards

[awneil]

Go on:

[Ekmekci]

Thank you for your help,

The last question, i looked into Ps but i couldnt find.

Is there any current information if i select LDO or DCDC,

For example LDO power consumption = xxx uA

DCDC power consumption = xxx uA

Best regards,

[Simonr]

Hi Ibrahim

Depending on the operating mode this varies, but under Electrical Specification in the PS you can see a variety of current consumption in various modes, and the DCDC regulator is generally notably more efficient.

Best regards,

Simon