具有同步整流套件的高电压半桥线路电平控制(LLC) …

1 ZHCA540 July 2013. (LLC) . DC/DC . Daniel Chang . tms320f2802x LLC . DC/DC Piccolo tms320f2802x C2000 . C2000 . C2000 .. HVLLC LLC DC/DC . LLC DC/DC . (TI) SEM1900 3 LLC . SEM1900 3 .. 1 .. 2. 2 .. 7. 3 .. 9. 4 1 .. 13. 5 2 .. 15. 6 3 .. 17. 7 .. 28.. 1 TMDSHVRESLLCKIT .. 3. 2 HVLLC .. 4. 3 .. 8. 4 .. 9. 5 .. 10. 6 .. 11. 7 .. 11. 8 .. 12. 9 1 .. 13. 10 1 .. 14. 11 2 .. 15. 12 2 .. 16. 13 3 .. 17. 14 3 .. 18. 15 V = 390 VDC .. 20. 16 (IO= 1A) .. 20. Piccolo, C2000, Code Composer Studio, ControlSUITE are trademarks of Texas Instruments. All other trademarks are the property of their respective owners. ZHCA540 July 2013 (LLC) DC/DC 1. SPRABS9 2013, Texas Instruments Incorporated 17 V = 390 VDC .. 21. 18 V = 390 VDC .. 21. 19 PWM - HB HS - HB LS - SR2 - SR1 .. 22. 20 - HB HS PWM - HB LS PWM - MP.

2 22. 21 - SR - SR Mosfet Vds - SR PWM .. 23. 22 - HB HS PWM - - .. 23. 23 - HB HS PWM - HB LS PWM - SR - .. 24. 24 10% 60% - - .. 24. 25 10% 60% - - .. 25. 26 60% 10% - - .. 25. 27 50% 100% - - .. 26. 28 50% 100% - - .. 26. 29 100% 50% - - .. 27. 30 - .. 27.. 1 (PWM) (ADC) .. 3. 2 .. 4. 3 .. 5. 4 RAM .. 6. 5 CPU .. 6. 6 .. 6. 1 .. LLC DC/DC . 375 405 VDC. 300W. 12 VDC. 25A. (Io= 1A) 1%. (V = 390V) 1%. V = 390V Io= 25A 120mV. V = 390V Io= 25A >90%. 80kHz 150kHz f0=~130kHz 2 (LLC) DC/DC ZHCA540 July 2013. SPRABS9 2013, Texas Instruments Incorporated . 1 LLC C2000 MCU . 1 C2000 MCU .. F28027. Vo-fb Vo-fb CPU LLC Resonant Ip-cs Vin Vout ADC V-SR1. 32 bit DSP core V-SR2. I-SR1 1A. 60 MHz 12 bit MSPS I-SR2. 3V3 Vref V-SR1 V-SR2. Comms PWM1(HR) 1A/1B Ip-cs 1B. I2C PWM2(HR) 2A/2B 2A 3A.

3 SPI I-SR1 I-SR2. UART PWM3(HR) 3A/3B. PWM4(HR) 4A/4B. 1. TMDSHVRESLLCKIT . 1. (PWM) (ADC) . PWM/ADC . LLC + SR [M1] PWM-1 PWM-1A PWM-1A PWM . PWM-2 PWM-1B PWM-1B PWM . PWM-3 PWM-2A PWM-2A 1 PWM .. PWM-4 PWM-3A PWM-3A 2 PWM .. Vo-fb Vo-fb ADC-A7 . V-SR1 V-SR1 ADC-A2 1 Vds . I-SR1 . V-SR2 V-SR2 ADC-A4 2 Vds . I-SR2 . Ip-cs Ipri-cs ADC-B1 .. I-SR1 I-SR1 COMP1 1 . (ADC-A2) V-SR1 . I-SR2 I-SR2 COMP2 2 . (ADC-A4) V-SR1 .. #if . INCR_BUILD HVLLC .. 1 DC/DC . 2 DC/DC . 3 DC/DC . HVLLC LLC DC/DC 2 . 2 3 . ZHCA540 July 2013 (LLC) DC/DC 3. SPRABS9 2013, Texas Instruments Incorporated 2.. LLC_Enable (PWM) . SR_Enable PWM . Comp_Enable (SR) . 3 . Gui_Vset 2 3 (Q9). Gui_Vout (Q9). Pgain 2 3 (PID) . Igain 2 3 PID . Dgain 2 3 PID . Duty{X} PWM 50%. PWM 1 2 3 .. Min_Period PWM . 2 3 . Max_Period PWM.

4 2 3 . RED PWM . FED PWM . REM{X} SR{X} PWM . FEM{X} SR{X} PWM . COMP{X} 3 SR{X} PWM .. 2. HVLLC . 4 (LLC) DC/DC ZHCA540 July 2013. SPRABS9 2013, Texas Instruments Incorporated .. - . F28027 . (PLL) (GPIO) . - C . subroutine _DPL_Init _DPL_ISR . PWM . - LED- . - MCU Q . K-Vout iK_Vset .. C C 3 .. 3.. C ASM .. C ASM .. ADC . - ADC ADCR egister . NetBus . - (IIR) . 5 C . PWM4 PWM4 (ISR). PWM1 PWM1 . (MOSFET) PWM1 PWM ISR . PWM3 PWM3 MOSFET 2 . PWM2 PWM2 MOSFET. 1 . - / PWM1 .. - / PWM3 .. - / . PWM2 . ZHCA540 July 2013 (LLC) DC/DC 5. SPRABS9 2013, Texas Instruments Incorporated RAM CPU . 4. RAM . 2802x 2802x (1). 3 220 499 . (1).. 5. CPU .. ISR (100kHz) 82. ISR 27. ADCDRV_1ch 6. CNTL_2P2Z 47. PWM ISR . 100kHz 130kHz . 121. ISR 27. PWMDRV_LLC_ComplPairDB 26. PWMDRV_LLC_1ch_UpCntDB 38.

5 PWMDRV_LLC_1ch_UpCntDB_Compl 31. 203. 60 MHz CPU 100kHz 6.. Code Composer Studio . / .. tms320f2802x PWM PWM1 PWM2 PWM3 - 100kHz 130kHz . PWM4 - 100kHz ISR - 100kHz EPWM4 . PWM ISR - 100kHz 130kHz EPWM1 .. 6 (LLC) DC/DC ZHCA540 July 2013. SPRABS9 2013, Texas Instruments Incorporated . C Enironment Assembly (fast loops). Main Control PWM. Initialization Context Save Context Save 28x Device Level Peripheral Level ADC FB LLC. System Level Resonant Drv ISR, ADC. CNTL2P2Z. (FB Vloop) Context Restore ISR. Slow Background Loop Context Restore Exit Exit Slow Background Loop Timer 1 Tasks: Timer 2 Tasks: Timer 3 Tasks: On/Off Control Instrumentation Variable Updates GUI Communication 2 . 3 LLC DC/DC . [M2]-J1 M2 J1 [Main]-J1 . J1 . ZHCA540 July 2013 (LLC) DC/DC 7. SPRABS9 2013, Texas Instruments Incorporated 3.

6 LLC DC/DC . 1. F28027 [Main]-H1 . 2. USB USB [M4]-JP1 [M4]-LD1 .. 3.. (a) [Main]-J1 J2 . (b) [Main]-J3 J4 J5 J6 . (c) [Main]-J7 J8 1-2 . (d) [M4]-J4 . 4. 12V VDC [M3]-JP1 . 5. [Main]-BS1 BS2 390V VDC 1A . 6. [Main]-BS3 BS4 300W . 7. [M3]-SW1 Ext [M3]-LD1 (LED) . controlCARD . : Code Composer Studio . USB . USB XDS100v1 . 8 (LLC) DC/DC ZHCA540 July 2013. SPRABS9 2013, Texas Instruments Incorporated . 3 . Code Composer ControlSUITE . 1. USB Code Composer . 2. controlSUITE Multi-DC/DC Color LED. Kit DC/DC LED . Code Composer Studio . 1. Code Composer Studio v4 . 2. Code Composer Studio (workspace launcher) . IDE . 4 . Code Composer . (a) Browse . (b) . (c) C:\Documents and Settings\<username>\My Documents\CCSv4_workspaces\HVLLC . (d) Use this as the default and do not ask again.

7 (e) OK . 4.. ZHCA540 July 2013 (LLC) DC/DC 9. SPRABS9 2013, Texas Instruments Incorporated 3. Code Composer MCU Target New Target Configuration XDS100 Use shared location Finish . 5.. 10 (LLC) DC/DC ZHCA540 July 2013. SPRABS9 2013, Texas Instruments Incorporated . 4. 5 . (a) - (TI) XDS100v1 USB . (b) - TMS320F28027. (c) Save . (d) XDS100 . 6.. 5. Code Composer XDS100 F28027 Code Composer . View Target Configurations User Defined XDS00 Set as Default .. 7.. ZHCA540 July 2013 (LLC) DC/DC 11. SPRABS9 2013, Texas Instruments Incorporated 6. Project Import Existing CCS/CCE Eclipse Project CCS/CCE Eclipse . (a) . C:\TI\controlSUITE\development_kits\ \HVLLC. (b) Finish . 8.. 7. HVLLC Save as Active Project .. #if options . INCR_BUILD HVLLC .. 1 DC/DC . 2 DC/DC . 3 DC/DC . 12 (LLC) DC/DC ZHCA540 July 2013.

8 SPRABS9 2013, Texas Instruments Incorporated 1 . 4 1 .. : .. PWM ADC .. 9 . A. ADC D. Vout AdcNetBus[1] DRV C. _1ch H. W Vout-fb Resonant LLC. Duty1 E. Duty PWM-1A. Period P. W PWM-1B. Period M. PWMDRV_LLC. _ComplPairDB H. W. Duty2 E. Duty P. Period W PWM-2A. M. PWMDRV_LLC PWM-3A. _1ch_UpCntDB H. W. 9. 1 .. main() 241.. main() DeviceInit() .. ADC PWM-14 99-117 GPIO00-GPIO07 . PWM 136-182 .. C/C++ INCR_BUILD 1 . 1 2 .. ZHCA540 July 2013 (LLC) DC/DC 13. SPRABS9 2013, Texas Instruments Incorporated 1 1 478-493 . ADC PWM INCR_BUILD 1 496-539 .. INCR_BUILD .. 1. Rebuild Project .. 2. Debug IDE .. 3. Enable silicon real-time mode .. 4. YES 1 (ST1) . 1 DGBM 0 DGBM DGBM 0 .. 1. View Watch 10 . Q . 1 .. Shift . 10. 1 . 2. Continuous Refresh .. 1. Debug Tab Run . 14 (LLC) DC/DC ZHCA540 July 2013.

9 SPRABS9 2013, Texas Instruments Incorporated 2 .. 2. 0V PWM ADC . (a) 0 ADC .. (b) LLC_Enable SR_Enable 1 PWM PWM . Period PWM . 3. 1A . 4. 390 VDC . 5. Period Period Gui_Vout Period Gui_Vout .. 6. RED FED PWM . 7. REM(X) FEM(X) PWM . 8. 0 VDC . 9. (Target Reset Reset CPU) CPU . (Target Terminate All) MCU. Code Composer Studio . 5 2 .. PID . 11 . A. ADC D. Vout AdcNetBus[1] DRV C. _1ch H. W Vout-fb Resonant LLC. CNTL 2P2Z Duty1. Duty E PWM-1A. Vset Period P PWM-1B. Ref Out Period W. M. Vout PWMDRV_LLC. Fdbk H. _ComplPairDB. W. Duty2. Duty E. Period P. Period W PWM-2A. M. PWMDRV_LLC PWM-3A. _1ch_UpCntDB H. W. 11. 2 . 4 . 2 1 .. 1. 2 (#define INCR_BUILD 2) . 2. Rebuild Project . ZHCA540 July 2013 (LLC) DC/DC 15. SPRABS9 2013, Texas Instruments Incorporated 2 3. Debug IDE .. 4.

10 Enable silicon real-time mode .. 1. 12 2 .. 12. 2 . 2. Continuous Refresh . 16 (LLC) DC/DC ZHCA540 July 2013. SPRABS9 2013, Texas Instruments Incorporated 3 .. 1. Debug Tab Run . 2. LLC_Enable SR_Enable 1 PWM . 3. 1A . 4. 390 VDC . 5. Gui_Vset 12 VDC Period Gui_Vout 12 VDC . GUI_Vset . 6. Period .. 7. 0 VDC . 8. (Target Reset Reset CPU) (Target . Terminate All) . 6 3 .. SR SR PWM . 13 . A. ADC D. Vout AdcNetBus[1] DRV C. _1ch H. W Vout-fb Resonant LLC. CNTL 2P2Z Duty1 E. Duty PWM-1A. Vset Period P PWM-1B. Ref Out Period W. M I-SR. Vout PWMDRV_LLC. Fdbk _ComplPairDB H. W. Duty2. Duty E. Period P. Period W PWM-2A. M. PWMDRV_LLC PWM-3A. _1ch_UpCntDB H. W. C. CO InA. OM InA DAC. InB. MP InB. P. Comparator HH Logic WW. 13. 3 . 5 . 3 2 . ZHCA540 July 2013 (LLC) DC/DC 17. SPRABS9 2013, Texas Instruments Incorporated 3.