Testing hardware for TFI-computer

Analog

Schematic and PCB for external TLC2543-based ADC board

• Separate 5V supply to ADC and external sensors
• Dedicated protected inputs for:
  • Battery Reference Voltage
  • Intake Temperature
  • Coolant Temperature
  • Throttle Position
  • Exhaust Gas Oxygen
  • Spare Thermistor
• Addititional 5 unprotected inputs
• SPI interface, and end-of-conversion output

IO

Schematic and PCB for various digital IO and drivers

• 4x 0.5 Amp, 12 Volt ignition outputs
• 2x 2 Amp, 12 Volt high-side driver outputs
• 4x 2 Amp injector drivers
• 2x 2 amp low-side drivers
• CAN driver (Remove 3.3 V Zener to use 5V logic lines)
• 2 protected digital inputs