This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPS22933: Searching for a power mux + LDO in one package with >300mA output current

Part Number: TPS22933
Other Parts Discussed in Thread: TPS2113A, TPS2115A

I am looking for an IC capable multiplexing two power inputs with a voltage range of 2.5V to 5.5V(or greater) and using an internal LDO to produce a 3.3V - 3.6V output and a maximum output current > 300mA (peak).

The TI TPS22933 provides this functionality but the maximum output current is 50mA.

Looking forward to your response.

Thank you!

  • Hi Saad Bin Tariq,

    Welcome to E2E! Thank you for the question.

    Unfortunately, many of our Power Mux devices do not contain an internal LDO to produce your required 3.3V output. However, an external LDO would produce similar results. 

    Can you tell me a little more about the system? Are both input rails operating from 2.5V - 5.5V? What is your expected load current? Do you require manual switchover between the rails or automatic switchover between the rails?

    I recommend you take a look at the TPS2113A and TPS2115A. The TPS2113A is useful for manual switching configurations, while the TPS2115A is a good solution for automatic switchover. These devices can support current around 1.5A - 2A, depending on the device. 

    Let me know if you have any questions!

    Thanks,

    Arthur Huang