STEVAL-DPSLLCK1

STEVAL-DPSLLCK1 Data brief 3 kW Full Bridge LLC resonant digital power supply evaluation kit Features Power ratings: input DC voltage: 375 V to 425 V output voltage: 48 V maximum output current: 62.5 A output power: 3 kW peak efficiency: 95.3% HF transformer isolation voltage: 4 kV Resonant and switching frequencies: max DC-DC switching frequency: 380 kHz (at startup) closed loop switching frequency: 120 kHz to 250 kHz resonant frequency: 175 kHz Protection mechanisms: undervoltage and overvoltage protection on input and output overtemperature protection short-circuit protection forced cooling with air flow speed modulation according to the output power and temperature Efficiency: adaptive synchronous rectification light load burst mode Product summary Digital control with STM32F334 microcontroller Bill of Materials and Schematics Description 3 kW power supply STEVAL- evaluation kit DPSLLCK1 The STEVAL-DPSLLCK1 is a digitally controlled 3 kW full bridge LLC resonant DC- Main components and software DC converter with output synchronous rectification. The kit consists of a power board, digital control board, adapter board, and firmware modules. STM32F3x4 STM32F334 microcontroller The full bridge primary section of the LLC converter is based on MDmesh DM2 Power MOSFETs for high efficiency performance. The PWM switching frequency is MDmesh DM2 STW70N60DM2 digitally controlled to regulate the output voltage. The converter operates at near Power MOSFET resonant frequencies to maximize efficiency and achieve Zero Voltage Switching STripFET F7 Power (ZVS) over the entire operating range. STP310N10F7 MOSFET The HF transformer provides galvanic isolation and magnetic integration of the off-line high voltage inductive elements for a compact design. VIPER27 converter Synchronous rectification (SR) with STripFET F7 Power MOSFETs is employed on Further reading and support the secondary side to reduce conduction losses. Power supplies and Applications The STM32F334 microcontroller on the digital control board embeds a high converters resolution timer for finer regulation and can communicate status information via ST Community USART, CAN, SMBus, and opto-coupled serial communication. Community and blogs ST blog Both the primary and secondary sections are supplied by an off-line flyback circuit based on VIPer27HD which provides regulated voltages to the control board, the gate driver ICs and the signal conditioning circuits. You can connect a PFC to the power board and extend communication and interfacing with the supplied adapter board. DB3560 - Rev 2 - March 2019 www.st.com For further information contact your local STMicroelectronics sales office.TP18 D25 R52 VDDA 1N4148 A GND U4 LM19CIZ Temperature 1 2 R46 0 D24 HT1 R51 +VS VO 470 R49 NM Earth C138 1N4148 C29 GND C30 C135 + 43 D23 4.7nF R47 t 100nF 100nF CURR TRANS 2.2F 1N4148 Heatsink1 4 12 Resonance Current 5 8 TP17 0 D22 3 9 1N4148 1 10 A GND A GND TP16 2 11 T2 Vout 48V ISOLATION BARRIER GATE SR HS1 GATE SR HS2 C32 VBUS TP41 R152 R155 TP43 STP310N10F7 STP310N10F7 1 STP310N10F7 1 1 100nF 1 STP310N10F7 1 1 R56 Q1 Q2 R55 TP21 Q4 R53 TP20 R54 Q3 0 0 0 0 D26 R58 STPS1L30 TP19 GATE FB HS1 R57 GATE FB HS2 C128 C129 2 1 2 1 TP22 1 1n 1n 1 1 1 1 TP40 1 D27 Q6 TP42 STPS1L30 TP24 STW70N60DM2 1 1 Q5 1 1 TP23 1 1 STW70N60DM2 R64 D33 R63 1 1 C133 C33 D32 1 1 2.2nF N.M 2.2nF N.M D34 D35 J1 20 20 N.M N.M TP25 1 1 1 1 TP26 CON2 R162 R164 SOURCE SR HS2 D40 N.M D73 N.M B1 SOURCE SR HS1 N.M N.M 4 4 16 3 3 SOURCE FB HS1 T3 15 2 SOURCE FB HS2 1 11 1 2 C36 R161 1 2 470F C37 TP27 3 13 49.9k D42 STPS1L30 Power Term TP28 4 12 470F R67 1 2 1 5 10 1 1 C39 6 9 1 R69 STPS1L30 1 18nF J2 2 1 7 C110 8 14 R70 1 TP29 1 D43 C44 C42 TP30 18nF 2 C43 49.9k 1 Q8 Q7 C41 C45 C46 C130 470u 3 1 STW70N60DM2 1 STW70N60DM2 XFRM LIN/CT-SEC 3 1F 1F 470u 1F 470u 1 GATE FB LS1 R72 GATE FB LS2 R71 R73 1 1 C122 18nF DC Vout Monitor VDS SR1 GATE SR LS2 VDS SR2 C134 CON3 20 20 2.2nF GATE SR LS1 2.2nF C48 C50 C52 TP33 STP310N10F7 STP310N10F7 0 STP310N10F7 STP310N10F7 1 TP32 C51 C53 1 1 R79 C49 1 TP34 Q9 1 1F 1F 470u 1F 1 TP31 Q10 R78 470u 470u TP35 R77 TP36 0 R81 4 R76 R153 R163 R165 1 0 1 0 R154 4.99K 3 B2 D74 N.M D75 0 1 R80 CON2 N.M 1 Q11 Q12 C54 4 6.2k 1nF 2 4 N.M N.M 3 C131 1 2 3 R160 C117 1n 2 4.99K J3 1 SOURCE FB LS1 SOURCE FB LS2 1 TP37 1n 1 TP38 D54 D55 1 D57 D52 1 Power Term 1 N.M R167 N.M 0 N.M N.M A GND C55 SOURCE SR LS2 SOURCE SR LS1 100nF GND1 CS1 D69 STTH1R06A R148 GND POWER 2 1 10 +3.3V R156 (N.M.) C57 C58 R89 10k GND 100pF TP39 R88 R90 C59 100pF 100k DC output current 1F 2 1 NM L6491IC1 100k R92 C60 330 2 1 14 1 ACS758LCB-100U-PFF-T PWM SR LS1 220nF 13 BOOT LIN 2 GATE SR HS1 R94 HVG SD/OD SD/OD 3 VDDA 12 3 R93 330 +5V prim SOURCE SR HS1 OUT HIN PWM SR HS1 VCC pri DC Output Current R149 11 4 VCC sec VCC pri C123 N.C. Vcc 1 D70 GND 10 5 VCC sec 100 D65 STTH1R06A 1F CP+ DT VCC sec C139 2 1 STTH1R06A 9 6 R146 + C63 C64 2 1 8 CP- SGND 7 C62 C126 GATE SR LS1 C66 C61 +5V prim 1nF LVG PGND R143 4,7n C65 C68 C69 C70 +5V prim 47nF 1F 10 R95 R98 2.2F C67 SOURCE SR LS1 + + 15nF 10k 1F GND1 1 2 10k R96 VCC sec R97 R99 0 1nF L6491IC2 C71 1 10k 4.3k A GND 220nF 1 2 14 1 100nF 13 BOOT LIN 2 U5 GATE FB HS1 1 2 GND 100nF 12 HVG SD/OD 3 SD/OD 1 6 1 R100 PWM FB LS1 10F/35V 10F/35V SOURCE FB HS1 OUT HIN 5 2 R157 (N.M.) R144 11 4 VCC pri C73 330 C72 N.C. Vcc 4 3 GND 4.7 D66 10 5 10k 100nF GND1 CP+ DT 9 6 100nF STTH1R06A C77 8 CP- SGND 7 ACPL-P484 GATE FB LS1 C76 LVG PGND 15nF GND1 R68 C74 C79 C75 C78 GND R101 SOURCE FB LS1 + + U6 R104 VCC pri R103 R102 0 1nF 6 1 4.7 PWM FB HS1 STTH1R06A C80 5 2 330 D71 10k 4.3k R150 100nF 4 3 2 1 +3.3V C81 100nF 1 2 GND1 100nF +5V prim 100nF 10F/35V 10 10F/35V ACPL-P484 D68 GND1 GND1 GND R147 STTH1R06A 2 1 R158 (N.M.) C84 R105 C82 R106 2 1 10k C83 C124 C85 GND 100pF R107 10 R108 100k 100pF 100k 1F 1 2 1F NM L6491IC3 2 1 10k GND1 1F L6491IC4 C86 R109 1 2 14 1 C87 330 220nF 2 1 14 1 13 BOOT LIN 2 U7 PWM SR LS2 220nF 13 BOOT LIN 2 GATE FB HS2 HVG SD/OD SD/OD 2 6 1 R111 GATE SR HS2 SD/OD 4 12 3 PWM FB LS2 12 HVG SD/OD 3 SOURCE FB HS2 OUT HIN 5 2 R112330 R145 11 4 VCC pri 330 SOURCE SR HS2 OUT HIN PWM SR HS2 N.C. Vcc C88 R151 11 4 VCC sec 4.7 10 5 4 3 GND N.C. Vcc D67 GND1 CP+ DT 10 5 9 6 100nF 1 D72 CP+ DT STTH1R06A 9 6 CP- SGND ACPL-P484 STTH1R06A GATE FB LS2 8 7 C97 C89 8 CP- SGND 7 C94 C90 LVG PGND GND1 GATE SR LS2 R140 C95 C91 C96 C92 GND LVG PGND R115 15nF C93 C98 C99 C100 R142 SOURCE FB LS2 + + U8 R122 15nF R119 + + VCC pri R121 R114 0 1nF 6 1 SOURCE SR LS2 10k 4.7 PWM FB HS2 R116 VCC sec R117 R118 0 1nF 5 2 330 10k 4.3k C101 1 100nF 4 3 10k 4.3k 100nF 100nF 1 2 GND1 100nF 10F/35V 1 2 GND 100nF 10F/35V ACPL-P484 10F/35V 10F/35V GND1 GND1 GND R159 (N.M.) C102100nF Vout 48V C103 GND 10k 100nF VBUS J4 1 2 Jumper R123 R124 FAN 390K 390K + F2 +5V 3.9 mH 2 D60 CON2 2 Fuse+Fuse case 5x20 2 + L3 1 1 L4 + D61 - R125 R126 470ohm C132 SPS1H100 R127 SPS1H100 J5 390K 68K 390K 47F F1 - 1 C104 STD12NF06LT4 R128 +5V prim 150pF C105100nF External fan supply voltage: 68K R130 Q13 R129 FAN PWM Remove J12 before applying 7.87K R131 external supply voltage 4.02k 680 C106 U9 C107 A GND R134 R132 100nF R133 10K 100nF 1 8 R136 4 68K R13539R VDD1 VDD2 0 N.M. 2 7 2.2k 1 DC Bus Monitor 3 VIN+ Vout+ 6 3 VIN- Vout- 4 5 R137 U10 GND1 GND2 D62 R138 C108 2.2k TSZ121ILT 9,1V 500mW 160 D64 ACPL-782T GND POWER D63 A GND C109 RED LED R139 2V7, 500mW all resistors are 1% of tollerance 4.02k all resistors are 1% of tollerance GND1 A GND STEVAL-DPSLLCK1 STEVAL-DPSLLCK1 schematics 1 STEVAL-DPSLLCK1 schematics Figure 1. STEVAL-DPSLLCP1 power board - LLC power stage schematic 1 2 1 2 1 2 1 2 1 2 2 1 2 1 2 1 3 2 3 2 2 1 2 1 1 2 1 2 1 2 1 2 1 2 1 1 1 1 1 2 1 2 10nF 3 2 3 2 7 6 Probe insertion for current sensing 2 1 150pF 2 5 1 2 1 2 1 1 1 1 1 2 1 2 1 1 2 1 2 3 1 2 1 2 2 1 2 1 1 1 1 1 2 1 2 1 2 1 2 1 2 1 2 1 1 2 1 2 1 2 1 2 1 2 1 2 2 1 1 5 Vcc IP- 2 GND 3 4 Out IP+ 1 1 DB3560 - Rev 2 page 2/7 + -