9 Replies Latest reply on Jun 9, 2015 3:36 AM by AnWa_1259496

    PROC reverse polarity test?


      I was wondering if anyone, including Cypress, has determined the result of a reverse-polarity supply on a PROC BLE chip or module?


      A product using a CR2032 battery will usually have a possibility of the user inserting the battery backwards. Designing a polarity protection circuit with a very low voltage drop presents a challenge.


      I do know from testing that "another well-known manufacturers" bluetooth chip will have a damaged radio if this happens although the CPU will still work.