Microchip Total System Solutions for Space
Presented by Nicolas Ganry at Space Forum 2019
Microchip: A Leading Provider of Microcontroller, Security, Mixed-Signal, Analog & Flash-IP Solutions
Microchip offers a comprehensive range of products designed for space applications, including:
- Sensors (Temperature, Current)
- Amplifiers (Precision General Purpose, Low Power Instrumentation)
- Analog-to-Digital Converters (ADC): Pipelined, Delta-Sigma, SAR
- Serial/Parallel Flash Memory (up to 64Mbit, 64 to 256Mbit)
- Serial EEPROM, Serial SRAM, Serial NVSRAM
- CAN FD / Ethernet TSN
- Transceivers: RS232/485, CAN/LIN, USB, Ethernet
- Timing: Clocks, Crystals (MEMS & Quartz)
- Digital Potentiometers
- Precision Voltage References
- Wireless (Wi-Fi®, Bluetooth®, LoRa®, MiWi™ Protocol, ZigBee®)
- High-Voltage I/Os
- Touch Controllers (Projective Capacitive, Resistive)
- Power Management: DC/DC Converters, AC/DC Converters, Supervisors, Battery Management
- Digital Power: LDO 3Amp
- ASIC/FPGA, Microprocessors (MPU)
- Microcontrollers (MCU), Digital Signal Controllers (DSC)
- Encryption (KEELOQ®)
- Speech Co-Processing
- Smoke Detector ICs
- Piezoelectric Horn Drivers
- MOSFET Drivers, MOSFETs
- DAC
- LCD Drivers
- LED Drivers
- 400V Isolation
Total System Solutions for Aerospace & Defense
Microchip enables complete solutions with:
- Companions: Transceivers, switches, interfaces, etc.
- Application notes, system and hardware design examples
- Software libraries as examples and tools for targeted applications
Key Solution Areas:
- Ethernet safety – AVB/TSN
- CAN/CAN FD networks
- Motor control solutions
- Digital power migration
- FPGA in-flight reprogramming
- Control with precision timing
- Space interfaces, SpaceWire
- Others: ADC, IO extension
Microchip offers the MPLAB® Harmony Integrated Software Framework for streamlined development.
Ethernet Safety
End System Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| SAMV71RT | RT | Arm MCU w Ethernet TSN 100Mb | FM |
| SAMRH71 | RH | Arm SoC w Ethernet TSN 100Mb | ES |
| RT FPGA | RH | w TSN IP targeting 1Gbit | ES |
| MPU RT | RT | Arm SoC Ethernet TSN 1Gbit | FM |
PHY Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| VSC8540/41 RT | RT | 100Mb/1Gbit Ethernet Transceiver, RMII/RGMII | ES H219, FM H120 |
Switch Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| Gbit Switch RT | RT | Gbit Ethernet Switch TSN/AVB |
VSC8541RT: Mbit/Gbit Ethernet PHY
- Compliant with IEEE 802.3 (10BASE-T, 10BASE-Te, 100BASE-TX, 1000BASE-T)
- Supports GMII and RGMII (version 1.3), RMII (version 1.2), and MII at 1.5 V, 1.8 V, 2.5 V, and 3.3 V LVCMOS
- RGMII version 2.0 timing compliant
- Supports clocking from 25 MHz crystal or 25/50/125 MHz oscillator
- Microcontroller-free configurability through hardware strapping
- Best-in-Class power consumption
The VSC8541RT integrates a 10/100/1000BASE-T MAC, Switching ASIC, or Network Processor with a PHY supporting RGMII/GMII and RMII/MII interfaces. It also includes a management interface (MDC/MDIO) and supports clocking from 25 MHz, 50 MHz, 125 MHz OSC, or 25 MHz Crystal.
CAN (FD) Network
End System Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| RT MCU | RT | MCU w CAN & CAN FD | FM |
| RT FPGA | RH | w CAN & CAN FD IP | FM |
| SAMRH71 | RH | Arm SoC w CAN FD interface | ES |
| MPU RT | RT | Arm MPU w CAN FD capabilities |
PHY Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| CAN PHY | RT | High-speed CAN FD transceiver |
Interfaces:
| Products | Rad | Type | Available |
|---|---|---|---|
| CAN Bridge | RT | SPI to CAN FD controller |
ATA6563RT: High-speed CAN FD transceiver
- CAN FD up to 5 Mbit/s
- ISO 11898-2, ISO 11898-5
- ISO 11898-2: 2016 (Remote wake-up via CAN bus with Wake-Up on Pattern (WUP))
- SAE J2962-2 compliant
- Direct interfacing to microcontrollers with supply voltages from 3V to 5V
- Temperature range: -55°C / +125°C
The ATA6563RT is a high-speed CAN FD transceiver with a typical block diagram showing its internal components including TXD, STBY, VIO, VCC, GND, RXD, HSC, WUC, and interfaces to the CAN bus (CANH, CANL).
Motor Control
Processing / Control Units:
| Products | Rad | Type | Available |
|---|---|---|---|
| RT MCU | RT | ATMEGAS64M1 / SAMV71RT | FM |
| RT FPGA | RH | RTAX / RT4G | FM |
| SAMRH71 | RH | Arm SoC MPU | ES |
Companions:
| Products | Rad | Type | Available |
|---|---|---|---|
| LX7720 | RH | Power Driver w Rotation & Position Sensing | FM |
The LX7720 is a power driver with rotation and position sensing capabilities, suitable for motor control applications. The diagram illustrates a typical motor control system with a MCU, CAN interface, and the LX7720.
Digital Power
Processing / Control Units:
| Products | Rad | Type | Available |
|---|---|---|---|
| RT MCU | RT | Arm MCU SAM3XE/ SAMV71RT | ES/FM |
| RT FPGA | RH | RTAX/RTG4 | FM |
| SAMRH71 | RH | Arm SoC MPU | ES |
| Digital Power MCU | RT | Digital Signal Controller, MCU16 |
Companions:
| Products | Rad | Type | Available |
|---|---|---|---|
| RH | Rad Hard Power Products | FM |
Microchip offers solutions for digital power, including processing units and companion Rad Hard Power Products. The diagram shows a typical digital power control system with a MOSFET driver, pre-driver, regulator, and digital control (FPGA/Micro).
For more information on Rad Hard Power Products, visit: Microchip Power Management.
FPGA In-Flight Reprogramming
Microcontrollers can control the in-flight programming process of RT FPGAs. This involves:
- Accepting new programming Direct C bitstreams from an up-link via a telecommand system and storing them in memory.
- Placing the FPGA into programming mode.
- Executing Direct C code to initiate the transfer of the programming bitstream to the FPGA.
- Monitoring the FPGA's return to operation and re-initiating programming in case of upsets.
Processing / Control Units:
| Products | Rad | Type | Available |
|---|---|---|---|
| RT FPGA | RH | Rad Tolerant FPGA, RTG4 | FM |
| RT MCU | RT | ATmegaS or SAMV71RT | FM |
| SAMRH71 | RH | Arm SoC MPU | ES |
Memory Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| RT Flash | RT | 64Mbit // interface | |
| RH Flash | RH | 64Mbit to 256Mbit, // & serial |
Control with Precision Timing
The GNSS Controller provides GNSS time signals to Microcontrollers or FPGAs for precision navigation and timing applications, as well as precision time stamping on data processing.
Processing / Control Units:
| Products | Rad | Type | Available |
|---|---|---|---|
| RT FPGA | RH | Rad Tolerant FPGA, RTG4 | FM |
| AT7991 | RH | GNSS Controller SoC Sparc V8 | FM |
| Arm MCU | RT | SAM3X8ERT | FM Q419 |
| SAMRH71 | RH | Arm SoC MPU | ES |
CSAC Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| SA.45s | RT | Chip Scale Atomic Clock | FM |
Chip Scale Atomic Clocks (CSAC) provide precision timing with long holdover for GNSS-denied environments. They can offer precise timing back-up to maintain system functions when GNSS signals are weak or absent.
SpaceWire Interface
Processing / Control Units:
| Products | Rad | Type | Available |
|---|---|---|---|
| RT FPGA | RH | w any SpaceWire IP | FM |
| AT7913 | RH | SparcV8 SoC w 2x Spw channels | FM |
| SAMRH71 | RH | Arm SoC w 2x Spw channels | ES |
Network Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| AT7910 | RH | 10 channels Spw Router | FM |
Interfaces/ Transceivers:
| Products | Rad | Type | Available |
|---|---|---|---|
| RT FPGA | RH/RT | SPI to Spacewire bridge | FM |
The SpaceWire interface solutions include processing units, network routers, and interfaces/transceivers, facilitating high data rate communication for space applications.
Other Companions: Analog to Digital Conversion
Analog to Digital Conversion Products:
| Products | Rad | Type | Available |
|---|---|---|---|
| LX7730 | RH | 64 Analog In Telemetry Controller | FM |
| MCP37D31-RT200 | RT | 200MSPS, 16bit, Pipeline ADC | HP FM Q419 |
The LX7730 is a 64-channel analog-in telemetry controller, and the MCP37D31-RT200 is a 200MSPS, 16-bit pipeline ADC. The diagrams illustrate the sampling process of an analog input signal and its digital output.
MCP37X31-200: 200MSPS, 16bit, Pipeline ADC
- 16-bit resolution
- 200 Msps maximum sampling rate
- Low power at full sampling rate: 490 mW including LVDS digital I/O
- Power saving modes: 80 mW during Standby, 33 mW during Shutdown
- Signal to Noise Ratio: >74 dBFS at 200 Msps
- Spurious Free Dynamic Range: >90 dBFS at 200 Msps
- Digital processing features: Integrated digital down-converter, Decimation filters for improved SNR, Individual phase, offset and gain adjustment, Fractional delay recovery, Data available through serial DDR LVDS or parallel CMOS interface (SPI configuration)
The MCP37X31-200 is available in ES and FM Q419 versions, with the plastic version only available in FM Q419.
Conclusion
Microchip offers a Total System Solution approach for Space applications. Ongoing activities include:
- Ethernet safety – AVB/TSN
- CAN/CAN FD networks
- Motor control solutions
- Digital power migration
- FPGA in-flight reprogramming
- Control with precision timing
- Space interfaces, SpaceWire
- Analog to Digital conversion
Microchip encourages users to propose any items or components required for their systems and is open to new ideas.
For More Information
Microchip A&D France
Product Marketing: nicolas.ganry@microchip.com
Applications Lab: yohann.bricard@microchip.com
Hotline: aerospace@nto.atmel.com
Aerospace & Defense Web Site: http://www.microchip.com/design-centers/aerospace-and-defense
