Praetor TC24 Datasheet

The Mectric Praetor TC24 is a fully programmable Transmission Control Module aimed at controlling the most complex driveline and transmission components. Designed with an over abundant amount of processing power to allow for the implementation of extremely complex, no compromise control strategies.

Overview

  • 2x 650 MHz Automotive Processors
  • Tightly Coupled FPGA
  • 512 MB DDR3 RAM
  • 8 GB Data Logging Memory
  • Built-In PDM-Like power supplies
  • 8x Half-Bridge Auxiliary Outputs
  • 16x Low Side Proportional Current Solenoid Outputs
  • 4x Analogue Outputs
  • 16x Analogue Inputs
  • 16x Digital Inputs
  • 4x 2 Wire Hall Effect Wheel Speed Inputs
  • IMU (3 Axis Accelerometer & Gyroscope)
  • Onboard Barometric Pressure Sensor
  • 2x CAN 2.0A/B Busses
  • 1x RS232 Interface
  • 2x 5V Sensor Supplies
  • 1x 8V Sensor Supply
  • Ethernet PC Tuning

Applications

  • Dual Clutch Transmissions
  • Multi-Clutch Automatic Transmissions
  • Traditional Automatic Transmissions

Wiring Pinout

Praetor TC24 Pinout Praetor TC24 Pinout

Looking into TCM

Connector A

InfoMating Connector: 4-1437290-0
PinFunction
A1ANV 1
A2ANV 2
A3ANV 3
A4ANV 4
A5ANV 5
A6ANV 6
A7ANV 7
A8ANV 8
A9Sensor GND
A10ANV 9
A11ANV 10
A12ANV 11
A13ANV 12
A14ANV 13
A15ANV 14
A16ANV 15
A17ANV 16
A18DI 1
A19DI 2
A20DI 3
A21DI 4
A22DI 5
A23DI 6
A24DI 7
A25DI 8
A26DI 9
A27DI 10
A28DI 11
A29DI 12
A30DI 13
A31DI 14
A32DI 15
A33DI 16
A34Sensor GND

Connector B

InfoMating Connector: 4-1437290-1
PinFunction
B1Aux 1
B2Aux 2
B3Aux 3
B4Aux 4
B5Aux 5
B6Aux 6
B7Aux 7
B8Aux 8
B9GND
B10Solenoid 1
B11Solenoid 2
B12Solenoid 3
B13Solenoid 4
B14Solenoid 5
B15Solenoid 6
B16Solenoid 7
B17Solenoid 8
B18Solenoid 9
B19Solenoid 10
B20Solenoid 11
B21Solenoid 12
B22Solenoid 13
B23Solenoid 14
B24Solenoid 15
B25Solenoid 16
B26Analog Out 1
B27Analog Out 2
B28Analog Out 3
B29Analog Out 4
B30Solenoid 1-4 Supply Output
B31Solenoid 5-8 Supply Output
B32Solenoid 9-12 Supply Output
B33Solenoid 13-16 Supply Output
B34GND

Connector C

InfoMating Connector: 3-1437290-7
PinFunction
C1Battery Hot Supply
C2Aux 1-4 Supply
C3Aux 5-8 Supply
C4Solenoid 1-8 Supply
C5Solenoid 9-16 Supply
C6Ignition Switch
C7GND
C8CAN 1 Hi
C9CAN 2 Hi
C10Hall 1
C11Hall 2
C12Hall 3
C13Hall 4
C14CAN 1 Lo
C15CAN 2 Lo
C165V0 Ref Output 1
C175V0 Ref Output 2
C188V0 Ref Output
C19Sensor GND
C20Ethernet Rx+
C21Ethernet Rx-
C22Ethernet Tx+
C23Ethernet Tx-
C24RS232 Rx
C25RS232 Tx
C26GND

Features

Power Supply

  • Reverse polarity protection
  • Over temperature protection
  • Over current protection
  • Current & voltage diagnostic monitoring
  • 1x Battery constant supply
  • 2x Auxiliary output driver supplies
  • 2x Solenoid supplies
  • 1x Ignition switch input

Processor

  • Duel 650 MHz, 32bit Automotive Processors
  • 512MB DDR3 RAM
  • Tightly coupled FPGA

Analog Inputs

16x Analog Inputs

  • 0-5V
  • 12 bit, 1.22mV resolution
  • Switchable 1K pullups to 5V Out 1 on pins 1-8
  • Switchable 1K pullups to 5V Out 2 on pins 9-16
  • ~10K samples per second
  • 100K Ohms to ground
  • 24V tollerant

Digital Inputs

16x Digital Inputs

  • 0.5 – 20KHz
  • 0-39V Analog Input on all pins
  • 12 bit, 9.52mV resolution
  • Hall effect & Reluctor sensor compatible
  • Switchable 4K7 pullups to 8.0V on all pins

Digital Input 1-8:

  • Programmable 0-5V low trigger threshold
  • Programmable 0-5V high trigger threshold

Digital Input 9-16:

  • Fixed low trigger threshold: 0.42V
  • Fixed high trigger threshold: 2.40V

Auxiliary Outputs

8x Auxiliary Outputs

  • Half-Bridge Drivers
  • 0.1 – 20 KHz PWM
  • High Side / Low Side 35A peak, 15A continuous
  • Bi-directional current monitoring on all pins

Solenoid Outputs

16x Proportional Current Solenoid Drivers

  • 0.1 – 20 KHz PWM
  • Low side only
  • 1.8A continuous
  • Current monitoring and control on all pins
  • Flywheel diodes connected to solenoid power supply outputs (see below)
  • Unused solenoid outputs can be used as low side auxiliary outputs

Solenoid Power Supply Outputs x4

4x Protected Solenoid Supply Outputs

  • Protected and monitored solenoid supply pins
  • Over current protected
  • Current & voltage diagnostic monitoring

Analog Outputs

4x Analog Outputs

  • 0-5V, 10 bit, 4.88 mV resolution
  • 11 mA per channel

Inertial Measurement Unit

  • 3 Axis Accelerometer, ±2/4/8/16 g
  • 3 Axis Gyroscope, ±125 - ±4000 dps

On board Sensors

  • Barometric Pressure Sensor
  • PCB Temperature Sensor

Communications

  • 10/100 Ethernet PC tuning interface, high speed, high noise immunity
  • 2x CAN 2.0A/B Interfaces, fully user configurable
  • 1x RS232 Serial Interface

Data Logging

  • 8GB Onboard eMMC logging memory.

Programming

All device configuration and firmware updates are done via ethernet connection with our free MectriCal PC Software.