JAJU785A January   2017  – March 2020

 

  1.   改訂履歴

3.1 Hardware and Resources Guide

Figure 13 shows some of the key components on the actual hardware.

TIDM-1001 tidm-1001-two-phase-interleaved-llc-resonant-converter-board-photograph.gifFigure 13. TIDM-1001 – Two-Phase Interleaved LLC Resonant Converter Board

Table 2 shows the key signal connections between the TMS320F280025C controlCARD and the TIDM-1001 base board. For reference relevant portions of the schematic are also provided in Figure 14 to Figure 18.

Table 2. Key Signal Connections

SIGNAL NAME DESCRIPTION CONNECTION TO controlCARD
EPWM-1A High-side drive signal for phase one HB (Ph1_PWMHS) GPIO-00
EPWM-1B Low-side drive signal for phase one HB (Ph1_PWMLS) GPIO-01
EPWM-2A Drive signal for phase one SRA (Ph1_PWMSRA) GPIO-02
EPWM-2B Drive signal for phase one SRB (Ph1_PWMSRB) GPIO-03
EPWM-4A High-side drive signal for phase two HB (Ph2_PWMHS) GPIO-06
EPWM-4B Low-side drive signal for phase two HB (Ph2_PWMLS) GPIO-07
EPWM-5A Drive signal for phase two SRA (Ph2_PWMSRA) GPIO-08
EPWM-5B Drive signal for phase two SRB (Ph2_PWMSRB) GPIO-09
Fault Drive signal for system fault LED GPIO-16
System_Good Drive signal for system good LED GPIO-17
Vout_fb Output voltage feedback CMPSS3
Vout_filt Heavily filtered output voltage feedback ADC-A8
Iout_fb Output current feedback CMPSS2
Iout_filt Heavily filtered output current feedback ADC-C0
Ipri1_fb Phase one primary and resonant current feedback CMPSS1
Ipri1_filt Heavily filtered phase one primary and resonant current feedback ADC-A3
Ipri2_fb Phase two primary and resonant current feedback CMPSS4
Ipri2_filt Heavily filtered phase two primary and resonant current feedback ADC-A5
Vin Input voltage feedback ADC-C8

This design uses a lot of jumper options for experimentation but there are some jumpers that must be populated for proper operation of the board. The jumpers that must be populated are listed below:

  • J6
  • J7
  • J8
  • J14 (positions 1 to 2, 3 to 4, 5 to 6, 7 to 8, 11 to 12, 13 to 14, 15 to 16, 17 to 18)
  • J15 (for stand-alone or DEMO operation)

TIDM-1001 tidm-1001-schematic-01.gifTIDM-1001 tidm-1001-schematic-02.gifFigure 14. TIDM-1001 – HB PWM Drive Circuit
TIDM-1001 tidm-1001-schematic-03.gifTIDM-1001 tidm-1001-schematic-04.gifFigure 15. TIDM-1001 – Phase-One SR PWM Driver Circuit
TIDM-1001 tidm-1001-schematic-05.gifTIDM-1001 tidm-1001-schematic-06.gifFigure 16. TIDM-1001 – Phase-Two SR PWM Driver Circuit
TIDM-1001 tidm-1001-schematic-07.gifTIDM-1001 tidm-1001-schematic-08.gifFigure 17. TIDM-1001 – Iout and Ipri1 Feedback Circuit
TIDM-1001 tidm-1001-schematic-09.gifTIDM-1001 tidm-1001-schematic-10.gifFigure 18. TIDM-1001 – Ipri2 and Vout Feedback Circuit