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  • UCD3138A: UCD3138A Power GND connectiong to SGND

    Resolved
    Part Number: UCD3138A Hi Team, Please advise on how to connect SGND (=AGND=DGND) with power GND. Most EVMs have control board with UCD3138A and power board with power stage. My customer will have one integrated board for UCD3138A and buck+pushpull power…
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  • UCD3138A64: UCD3138A pmbus_handler / copy_configuration_to_ram / copy_configuration_to_registers subroutine Affects boot stability time?

    Resolved
    Part Number: UCD3138A64 Dear Sir Now it is necessary to reduce the boot time to 130ms (PFC+LLC), and it is found that after the system rings up, the PFC will not be controlled by the program for 20~120ms. The result of the inspection seems to be that pmbus_handler…
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  • UCD3138A: FW of Bridgeless Totem Pole PFC

    Resolved
    Part Number: UCD3138A Other Parts Discussed in Thread: UCD3138FW-PFC Hi TI experts, Would you please provide us FW of Bridgeless Totem Pole PFC? I could NOT find it in FW set named "UCD3138FW-PFC". There are only 3 types of tolopgies as follows…
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  • UCD3138A: Flux balancing feature

    TI Thinks Resolved
    Part Number: UCD3138A Other Parts Discussed in Thread: UCD3138 Hello, Customer is comparing UCD3138A to XDPP1100 (link below) and has a question regarding flux balancing functionality. https://www.infineon.com/dgdl/Infineon-DS_XDPP1100_V2.2-DataSheet…
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  • UCD3138A: 2-MHZ Reference specified in datasheet

    Resolved
    Part Number: UCD3138A Hi Champ, I am asking for my customer. It is specified DPWM could up to 2-MHz Switching Frequency. Is it defined in -20 degree temp or 120 degree temp ? Besides temp., is there any other factor affect the DPWM output frequency…
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  • UCD3138A: Halfbridge LLC Converter Firmware Output Voltage Limit

    Resolved
    Part Number: UCD3138A Hi, I am using UCD3138ACCEVM149 (Control Card) with UCD3138ALLCEVM150 (Daughter Card). I changed capasitances,transformers and secondary side FET's on EVM150( Daughter card) in order to achieve my desired output levels. After…
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  • UCD3138A: formula for normalized pid values

    Resolved
    Part Number: UCD3138A Other Parts Discussed in Thread: UCD3138 , hi, I'm following guide form guide " UCD3138 Digital Controller Control Theory" in section 5.3 GUI Model Equations in Table 19: Normalized PID to Register PID you list formulas…
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  • UCD3138A: new configuration setup in CCS

    Resolved
    Part Number: UCD3138A hi, I'm making my FW basing on Lab1 example as recommended by TI. Now I want to add new configuration to CCS project with changes in linker and asm loader files. Apparently it is a bit more complicated, so far I do: copy existing…
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  • UCD3138A: IN LLCHBFirmware-1.2, why PWM0B and PWM1B are used for SR?

    TI Thinks Resolved
    Part Number: UCD3138A Hi, as we know, [LLCHBFirmware-1.2] is used for EVM149 + EVM150, when look at the DTC section of the code, there is something strange as follow: FILE: init_loop_mux.c Funtion: init_DTC(void) Line 108~111 //Select DPWM0B to be controlled…
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  • UCD3138ACCEVM149: cannot read any of the registers of DTC controls in UCD3138A

    Resolved
    Part Number: UCD3138ACCEVM149 Other Parts Discussed in Thread: UCD7138 hello I am using UCD3138ACCEVM to controll a LLC circuit which made by us. To make the [LLCHBFirmware-1.2] to work, I emptyed the content of the funtion [void standard_interrupt(void…
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