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TPS62872: Output Voltage

Yuta Nishie
Genius 3655 points
Part Number: TPS62872
Other Parts Discussed in Thread: TPSM8287A12

Tool/software:

Hi,

The customer wants to set the output voltage without using I2C. Is it possible to set the output voltage to 0.8 V without using I2C by following the process below?

・Connect SDA and SCL to GND

・Connect 6.2 kΩ resistor between VSEL and GND

And I found the following thread.

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1281128/tps62872-q1-default-output-voltage-setting?tisearch=e2e-sitesearch&keymatch=TPS62872#

Best Regards,

Nishie

  • +1
    TI__Guru*** 147320 points

    Hi Nishie,

    Yes, you can use a device with a 0.8V voltage in section 5 (such as TPS62872Z0WRXSR) and connect the VSEL pin accordingly.  Then, connect the I2C interface to GND.

    We also have the TPSM8287A12 power module, for a simpler design.

    Chris