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Programmable Power Supply Mid-semester presentation Jan. 20, 2008

HS DSL. Programmable Power Supply Mid-semester presentation Jan. 20, 2008. Gregory Kaplan Dmitry Babin Supervisor: Boaz Mizrahi. Reminder. User interface. D U T. Power supply. Control unit. Measurement unit. Active load. User interface for standalone operation. LEDs. LCD. Keys.

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Programmable Power Supply Mid-semester presentation Jan. 20, 2008

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  1. HS DSL ProgrammablePower SupplyMid-semester presentationJan. 20, 2008 Gregory Kaplan Dmitry Babin Supervisor: Boaz Mizrahi

  2. Reminder User interface D U T Power supply Control unit Measurement unit Active load User interface for standalone operation LEDs LCD Keys

  3. Overview Source/Sink/Measurement Module 1 (Outputs 1,2) Post regulator block FAN5109- BMX ADR391 Vref 14 ADC DATA LT2296- CUP 2 ADC CONTROL 1 CLR AD5415YRUZ A/D Converter D/A Converter 4 SPI LT2296- CUP 14 ADC DATA 2 ADC CONTROL Post regulator block VDD OUTPUT 1 2 PWM RETURN 1 MOSFET Driver TO/FROM FPGA VDD FAN5109- BMX OUTPUT 2 2 PWM RETURN 2 MOSFET Driver

  4. Overview Source/Sink/Measurement Module 2 (Outputs 3,4) VDD Post regulator block FAN5109- BMX OUTPUT 3 RETURN 3 MOSFET Driver ADR391 Vref 14 ADC DATA LT2296- CUP 2 ADC CONTROL AD5415YRUZ A/D Converter D/A Converter 4 SPI LT2296- CUP 14 ADC DATA 2 ADC CONTROL 2 PWM TO/FROM FPGA 1 CLR VDD Post regulator block FAN3227 TMX OUTPUT 4 2 PWM RETURN 4 MOSFET Driver

  5. Overview Control Scheme DAC Output setting DC-DC Converter Post regulator Current Sense Controller Block Input voltage sense feed- forward PWM Output ADC Tempe-rature Voltage Sense ADC Current limit Microprocessor FPGA

  6. Overview Control Module CY7C68013A -100AXC High-Speed USB 2 ? USB Control 5 USB CONTROL 16 DATA 4 I2C 2 1 RTC-8564JE 5 8 4 1 LM75 CIM-5 Real Time Clock Graphic LCD Module Optrex F-51553GNBJ -LW-AEN Temperature monitor (up to 8 devices) Keypad PB0 PB1-PB4 M25P20 -VMN6 2Mbit SPI Flash 3 SPI DATA IN, OUT, CLK 3 SPI CS,WP,HOLD Xilinx SPARTAN 3-E XC3S250E-4-PQ208 16 DATA 5 SPI+CS Microchip PIC18F87J50 -I/CT 5 USB CONTROL TO/FROM SSM MODULE 2 DAC 2 USB Port 2 PROG_B*,DONE* 2x4=8 PWM 14x4=56 ADC Output 2x4=8 ADC Control 2 STATUS FLAGS * Dedicated conf pins

  7. Power flow Control Module AC/DC Converter 13.2V 75W ALS75-12 Designated FPGA Power Manager Universal Input 107W LTC4089-5 5V OR VBAT TPS75003RHL Li-ion 3.7-4.2V (optional) DC/DC Converter + Battery Charger 3.3V 2.5V 1.2V VDD Vcore Vcore VDD VDD VDD VDD Vaux Microchip PIC18F87J50 M25P20 CY7C68013A RTC-8564JE Xilinx SPARTAN 3-E Up to 222mA Up to 15mA Up to 85mA Up to 0.8mA More than 100mA BR1255 Small Li battery (optional) Graphic LCD Module Optrex F-51553GNBJ -LW-AEN FAN4855MTC VDD DC/DC Booster Up to 42mA 5V

  8. Power flow Source/Sink/Measurement Module 13.2V 3.3V LT2296- CUP ? ? AD5415 YRUZ Post regulator block MOSFET Driver OUTPUT RETURN

  9. Mechanics Control Module USB type B connector AC-DC converter Designated FPGA power manager EZ-USB 5V DC Booster Charger/ DC-DC PIC XILINX Spartan-3E Data interface to analog part Main power to analog part

  10. Mechanics User Interface 4 LEDs 49.8x89.7 Graphic LCD Module VA 64x32 75x80 Push Buttons Ø12 185 mm 20 mm

  11. Timetable Survey and characterization Bill of materials is done Char.presentation Layout Board design Detailed design Components selection Layout is ready Board assembly Software characterization Initial tests Schematics Pin-to-pin diagrams We are here Presentation End of project A

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