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LX7720 Daughter Board User's Manual

June 2020

LX7720 Daughter Board rev 2.1

26

© 2020 Microsemi Corporation

Figure 31. PCB Top copper layer 1 and component IDs

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Содержание LX7720

Страница 1: ...sense inputs The remaining three modulators sample differential analog inputs such as the filtered drive waveform and output waveforms of a resolver The LX7720 daughter board uses an FMC connector for...

Страница 2: ...uation Kit Board with 300K LE PolarFire FPGA in an FCG1152 Package Figure 3 ProASIC3E Starter Kit with A3PE1500 PQ208 FPGA Figure 4 SAMRH71F20 EK Evaluation Kit with SAMRH71F20 Arm Cortex M7 100MHz 20...

Страница 3: ...e register at the Microsemi SoC Customer Portal Once registered and logged in open a case with FPGA Technical Support 2 LX7720 Daughter Board to RTG4 Development Kit Setup Example These instructions c...

Страница 4: ...4 Using the GUI Run MC_UART exe in the GUIs BLDC motor v4 1 directory Select the third COM port from the top left drop down menu and click the red connect button immediately below For example if COM3...

Страница 5: ...hange the motor specifications The GUI automatically plots waveforms when motor starts running The block diagram below shows the input and output parameters Parameter OMEGA is used to check speed The...

Страница 6: ...ternally from the 24V external DC supply plugged into J11 VGS 15V VCC 5V VDD 3 3V VEE internal and selects control signals to be those provided at J10 RTG4 FMC connector or J20 40 way controller heade...

Страница 7: ...nternal VEE supply is used Do not attach an external supply to the J4 header 4 4 page 12 VEE select Pin 1 VEE Pin 2 GND When using external VEE supply in the range VGS to 8V apply VEE to header J4 and...

Страница 8: ...18 Pin 1 VDD Pin 2 GND When using external VDD supply in the range 2 75V to 3 6V apply the VDD supply to J18 and ensure that J16 is open so that regulator U4 is not back driven 4 2 page 10 External 2...

Страница 9: ...open Managed by controller on J10 or J20 J38 Open Lock LX7720 out of reset condition by setting RESET pin 18 low 4 10 page 14 Reset off Link 2 to 1 Disable Safe Mode by setting LX7720 SM_EN pin 17 lo...

Страница 10: ...ST C190GKT GREEN 10mA 1 2 J31 OSTOQ027150 1 2 J32 HDR_2_100MIL VGS_R C51 0 1uF 50V 0805 R49 10K 1 0805 R56 1K 1 0805 VGS Figure 9 VGS Gate Driver Supply 15V Regulator Schematic 4 2 VDD Logic Supply 3...

Страница 11: ...nal 4 5V to 5 5V power supply connected to J30 Table 4 Figure 11 Table 4 VCC Signal Supply 5V Regulator Link Settings VCC Regulator Source J35 Link J17 Link J30 Connector VCC is on board 5V using regu...

Страница 12: ...in the system under evaluation between MGND to SGND The absolute maximum potential difference allowed between MGND and SGND is 10V Table 6 LX7720 Reference Voltage Selection Link Settings Voltage Ref...

Страница 13: ...fault 33 Not fitted Internal 27MHz square wave clock from oscillator module Y2 0 Not fitted default Not fitted TRISTA 1 E PAD 7 GND 3 OUTPUT 4 VDD 6 NC1 2 NC2 5 Y2 ASVMPC 27 000MHZ LR T R73 0R 0805 DN...

Страница 14: ...RTG4 board or 40 pin header J20 pin 29 other controller A pull down resistor ensures that Simultaneous Conduction Protection is disabled by default if the external signal is open Link 2 to 3 Simultan...

Страница 15: ...H17 or 40 pin header J20 pin 27 A pull up resistor ensures that Safe Mode is enabled by default if the external signal is open Link 2 to 3 Enable Safe Mode by setting LX7720 SM_EN pin 17 high Open Fi...

Страница 16: ...3 red J14 pin 4 black Secondary 2 J14 pin 5 blue J14 pin 6 yellow Table 13 Resolver LVDT Link Settings Resolver LVDT Options J6 Link J7 Link J8 Link J14 Connector J13 Connector Resolver LVDT driver o...

Страница 17: ...F14 SNS_OUT_B_C Buffered SNS_OUT_B bit stream output C19 MSIO294NB5 U7 GPIO218NB4 F19 BLO4 Bi Level Detector output 4 C13 MSIO277PB5 AB4 GPIO177PB4 G9 ADC3_C Buffered ADC3 bit stream output K10 MSIO2...

Страница 18: ...ND B1 C1 GND D1 E1 GND A2 B2 C2 D2 E2 A3 B3 GND C3 D3 GND E3 A4 GND B4 GND C4 GND D4 GND E4 GND A5 GND B5 C5 GND D5 E5 GND A6 B6 C6 D6 E6 A7 B7 GND C7 D7 GND E7 A8 GND B8 GND C8 GND D8 GND E8 GND A9 G...

Страница 19: ...DJ H39 GND J39 VIO_B_M2C K39 GND F40 VADJ G40 GND H40 VADJ J40 GND K40 VIO_B_M2C Table 17 LX7720 Control and Acquisition Signals Header J20 Pinout Pin Signal Name Signal Function Pin Signal Name Signa...

Страница 20: ...VOUT 2 3V POT 34 09K VOUT 2 7V 5V 200mA 1 1 2 2 3 J1 HDR_3_100MIL VREF_IN C11 0 1uF 50V 0805 VIN 1 GND 2 EN 3 ADJ 4 VOUT 5 U2 ADP123AUJZ R7 1 3 2 R3 50K_15Turns C25A 10uF 50V 0805 C91 10uF 50V 0805 C...

Страница 21: ...S_OUT_D 27 LD_IN_D 10 UD_IN_D 9 SNS_OUT_C 26 LD_IN_C 8 UD_IN_C 7 SNS_OUT_B 25 LD_IN_B 6 UD_IN_B 5 SNS_OUT_A 24 LD_IN_A 4 UD_IN_A 3 BLO3 131 BLO4 132 BLO5 1 BLO6 2 VDD 23 VCC 34 SGND_1 22 SGND_2 32 SGN...

Страница 22: ...NL C108 1uF 50V 0805 R107 10K 1 0805 VGS R39 20R 1W 2512 R129 0 0805 R115 0 25R 2W 2512 C110 1uF 50V 0805 R110 10 0805 C109 1uF 50V 0805 DNL R108 0 0805 R116 0 0805 VGS R112 10K 1 0805 R113 10K 1 0805...

Страница 23: ...84 33R LD_IN_A_C LD_IN_B_C LD_IN_C_C LD_IN_D_C MOD_CLK_C DMOD_IN_N_C ADC3_C OC_FAULT OTW_FAULT BLO2 BLO4 BLO6 VDD_3P3V LD_IN_A ADC1 LD_IN_B ADC2 LD_IN_C ADC3 LD_IN_D 1DIR 1 1B1 2 1B2 3 GND 4 1B3 5 1B4...

Страница 24: ...DP8_M2C_N B9 GND25 B10 GND26 B11 DP7_M2C_P B12 DP7_M2C_N B13 GND27 B14 GND28 B15 DP6_M2C_P B16 DP6_M2C_N B17 GND29 B18 GND30 B19 GBTCLK1_M2C_P B20 GBTCLK1_M2C_N B21 GND31 B22 GND32 B23 DP9_C2M_P B24 D...

Страница 25: ...9 VGS Figure 28 50V Input to 15V Regulator C104 1uF 25V 0805 C105 0 1uF 25V 0805 R102 0 0805 3 3V 200mA 1 2 J18 OSTOQ027150 Default Shunt SPC02SYAN PIN 1 2 VDD_R VDD_3P3V VDD_3P3V_FMC 1 2 J16 HDR_2_10...

Страница 26: ...LX7720 Daughter Board User s Manual June 2020 LX7720 Daughter Board rev 2 1 26 2020 Microsemi Corporation Figure 31 PCB Top copper layer 1 and component IDs...

Страница 27: ...Complete Schematics June 2020 LX7720 Daughter Board rev 2 1 27 2020 Microsemi Corporation Figure 32 PCB Bottom copper layer and component IDs bottom view...

Страница 28: ...60 2 2uF 100V 1210 C1210 C3225X7R2A225K230AB TDK CAP CER 2 2UF 100V 10 X7R 1210 C62 5 6pF 50V 0805 C0805 C0805C569D5GACTU KEMET CAP CER 5 6PF 50V C0G NP0 0805 C63 2700pF 50V 0805 C0805 CL21B272KBANNNC...

Страница 29: ...ay TRIMMER 50K OHM 0 25W SMD R4 R5 R8 R9 R10 R11 R12 R13 R14 R16 R18 R20 R22 R24 R49 10K 1 0805 R0805 Y162910K0000F9R Vishay RES SMD 10K OHM 1 1 10W 0805 R6 100R 2W 2512 R2512 RHC2512FT100R Stackpole...

Страница 30: ...805 R0805 RC0805JR 074K7L Yageo RES SMD 4 7K OHM 5 1 8W 0805 SW1 SW_DPDT SW_DPDT_1201 1201M2S3CQE2 C K SWITCH SLIDE MINI DPDT PC 120V TP1 TPAD TP_0603 1625854 3 TE 0603 PROBE PAD TP10 TP11 TP12 TP13 T...

Страница 31: ...y whatsoever arising out of the application or use of any product or circuit The products sold hereunder and any other products sold by Microsemi have been subject to limited testing and should not be...

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