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  • TMS320F280049-Q1: Internal oscillator doubt

    Part Number: TMS320F280049-Q1 Hi, Customer is evaluating F280049 Q100 for auto DC/DC. They are asking if internal oscillator can be used. LLC, 200KHz PWM frequency, HRPWM will be used. Is there any successful story? Br, Jordan

  • TMS320F280049-Q1: What if VDDIO and VDDA are not tied together?

    Part Number: TMS320F280049-Q1 Dear Champs, I am asking this for our customer. 1. In F28003x datasheet, there is power sequence for VDDIO/VDD if an external regulator is used on Figure 6-3. External VREG Power Up Sequence. Does this apply to F28004x…
    • Answered

  • TMS320F280049-Q1: SFO library takes too long time

    Resolved
    Part Number: TMS320F280049-Q1 Dear Champs, I am asking this for our customer. The user is studying using HRPWM especially HR period and found SFO library takes up to 1.3 ms (13000 cycle) based on Table 18-19 of the TRM 18.15.2 Appendix A. If SFO is…
    • Resolved
    • Answered

  • TMS320F280049-Q1: Software Diagnostic Library

    Resolved
    Part Number: TMS320F280049-Q1 Other Parts Discussed in Thread: C2000WARE Hi champs, My customer found the SDL in C2000Ware_4_00_00. However, it seems that we don't have all API available. For example, they couldn't find the API for CLA. On the other side…
    • Resolved

  • TMS320F280049-Q1: Input pulse width 5ns

    Part Number: TMS320F280049-Q1 Hi, With HRcap, pulse width can be measured in high resolution. I understood that. 1) Am I right? But at this point, a small detail caught my eye. Below is the screenshot I took from the "TMS320F28004x Microcontrollers datasheet…
    • Answered

  • TMS320F280049-Q1: What and where is Compliance Support Package (CSP) mentioned in the safety manual?

    Resolved
    Part Number: TMS320F280049-Q1 Other Parts Discussed in Thread: TEST Dear Champs, I am asking this for a customer. In the safety manual (SPRUID8D – SEPTEMBER 2020 – REVISED JANUARY 2022), it says in 4.3 C2000 Safety Diagnostics Libraries. "In…
    • Resolved
    • Answered

  • TMS320F280049-Q1: trip zone and multiple events confirmation

    Resolved
    Part Number: TMS320F280049-Q1 Hi everybody , I m using TRIP ZONE w TZCTL[TZA] so to clear PWM to zero when one shot happens . now in parallel DCAEVT1.force could happen , and this is doing what configured in TZCTL[DCAEVT1] questions : - am I right to …
    • Resolved

  • TMS320F280049-Q1: Analog supply VREFHIA, VREFHIB and VREFHIC are cut-off deliberately

    TI Thinks Resolved
    Part Number: TMS320F280049-Q1 hi sir/miss, I would like to know if there will be any adverse effect (hardware degradation/malfunction issue), if at some points of the C2000 operation, VREFHIA, VREFHIB and VREFHIC are deliberately turned off/cut off (becomes…
    • Answered

  • TMS320F280049-Q1: Opamp powered by 5V to buffer GPIO

    Resolved
    Part Number: TMS320F280049-Q1 Other Parts Discussed in Thread: TINA-TI Hi team, Is there any concern if opamp buffer to GPIO is powered by 5V (which is exceeding 3.6V rating) to buffer a 2.5V DC voltage to C2000? In the case of opamp failure, or 2.5V failure…
    • Resolved
    • Answered

  • TMS320F280049-Q1: How to determine the threshold for safe junction temperature or ambient temperature?

    Resolved
    Part Number: TMS320F280049-Q1 Other Parts Discussed in Thread: TEST Hi team, According to the datasheet, the Q version chip can work in up to 125°C ambient temperature, and the operating junction temperature can be up to 150°C. Meanwhile, there is a…
    • Resolved

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