TPS25762-Q1: TPS25762-Q1 and similar but support 24V/28V supplies?

Part Number: TPS25762-Q1
Other Parts Discussed in Thread: TPS55289-Q1, TPS26744E-Q1, TPS55289

Tool/software:

I am looking for a solution that can support USB-C PD, and ideally the old BC1.2. This kind of solution looks ideal. But whilst there is support for up to 40v input, the recommended is 18V in max. I have surge protection that limits the operating window to 10V - 30V. For my project support for 12V or 24V is a requirement.

The device needs to be configurable, so being able to write boot information to an EEPROM is ideal with what can be supported. I can include a small uC to handle updating that with the required data from a client app.

The TPS26744E-Q1 originally was interesting, as it can drive TPS55289-Q1 directly that support the require voltage range. Though I only need a source, with no data support.

Are there any devices that support 28V truck style electrical systems, the website doesn't have the ability to search based on input voltage. Single port devices are fine. The project has 2 ports, but they need to be free to run at different output voltages.

  • Hi Jeremy,

    The TPS26744 with 2 TPS55289 DC2DC converters is the best part for this type of system.  The TPS26742E can directly support up to 32V of DC operation and will survive a 40V load dump without damage, but will turn off to protect itset.

    The TPS25742 can also be implemented with an external divider circuit on VIN to support up to 48V battery systems directly when paired with a DC2DC converter that works for this system.

    Regards,

    Chuck

  • The TPS26744 does look a good fit, but they are not yet available. So no idea of cost, or lead time. The website just says "preview".

    A pair of TPS55289 to provide the power I think I can just squeeze into the limited space I have. The TPS55289 demo board is working very will with all my expected input and load requirements.

    I have load dump / surge protection already I can use from a previous device.

    I have a full USB-PD software stack that I can run on a uC (under an NDA), and interface to the TPS55289 as an alternative. It uses separate ICs to handle the baseband comms on the USB-C CC pins. The upside is it does give quite a bit of flexibility. I'm at the point where I need to commit to a solution, my timeline is quite tight.

  • Jeremy,

    I am passing this along to our marketing engineer.

    Regards,

    Chuck

  • OK, thanks. Hopefully they will be in touch soon, as I need to commit to a design.

  • Hi Jeremy,

    I will follow-up on this topic via email.

    Thank you,

    James