HY-TTC 77 16-bit Controllers Specially for 12 V vehicle voltage

HY-TTC 77 is a powerful electronic control solution for off highway industries with 12V power supply. The HY-TTC 77 is equipped with the Infineon XC2288H CPU, providing enhanced safety features for protecting internal RAM and flash. It is part of a complete and compatible product family and is protected by a compact, automotive-style housing suited to mobile applications.

Features

All I/O's and interfaces mentioned below are protected against short circuit to GND and BAT+.

CPU Core

• 16/32-bit Infineon XC2288H safety microcontroller, 80 MHz, 1.6 MB int. Flash, 138kB int. RAM
• 32kB ext. EEPROM
• CPU-internal safety features
  − Hardware CRC checker for supervising flash memory
  − Integrated Memory Protection Unit (MPU)
  − RAM content protection through Error-Correcting Code (ECC)
• Watchdog CPU Freescale HC908, including monitoring software

Interfaces

• 2 x CAN, 125 kbit/s up to 1 Mbit/s
  Optional CAN termination via 2 connector pins

Outputs

• 12 x PWM OUT, up to 2.5 A, high side with timer feedback, 6 of them with current feedback; alternative use digital timer IN (10Hz to 10kHz); 3 output groups can be switched off independently for limp-home in case of failure
• 6 x PWM OUT, up to 2.5 A, high side with voltage feedback; up to 4 A for individual outputs
• 8 x digital OUT, up to 2.5 A, high side; up to 4 A for individual outputs

Inputs

• 4 x analog IN, configurable in software
  0 – 5 V 0 - 25 mA
  0 – 65 kOhm digital IN low side
• 8 x analog IN, 0 to 5 V
• 8 x analog IN, 0 to 10 V alternative use digital IN high side/low side
• 2 x analog IN, 0 to 15 V
• 8 x analog IN, 0 to 15 V or digital IN
• 2 x digital timer IN (0.1Hz to 10kHz) low side
• 7 x digital IN high side

Other

• Internal: monitoring of board temperature, sensor supply and battery
• 2 x sensor supply 5V, 100mA
• 3 x analog sensor ground
• 1 x digital sensor ground

Software

• Programming: C

Specifications

Housing and Connector

• Aluminum pressure die-cast housing
• Water-proof 80-pin connector
• Pressure adjusting with water barrier