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Bosch Semiconductors for Automotive

CY324

System basis IC for engine or transmission control units

Application & Technical Summary

CY320

System supply and CAN transceiver, combined in one chip.

CY324 is a high integrated power circuit enhanced by a CAN FD transceiver, designed for microcontrollers in powertrain systems.

Product benefits

  • Switched-mode core supply for µC core voltage
  • Advanced 3 level watchdog
  • Operating Range 3V to 40V
  • Capacitive load up to 50µF
  • Extended soft start-up
  • Very low quiescent current
  • 3 level Watchdog for VDA 2.0 compliance

Suitable for many microcontrollers

Switched mode μC core supply, adjustable from 1.125V to 1.3V

Technical Features

Type
System basis IC
Package
Bare-die, other packages on demand
Features

  • Buck/boost pre-regulator
  • Switched-mode core supply for µC corevoltage
  • Advanced 3 level watchdog
  • Operating Range 3 to 40V
  • Stop counter functions
  • Capacitive load up to 50µF
  • Extended soft start-up
  • Very low quiescent current

Output voltages

  • System: 5V / 450mA, 3.3V / 300mA, 5 or 3.3V / 250mA
  • Core supply: 1.125 V to 1.3V
  • Sensors: 3 x 5V

Interfaces

  • SPI, 16-bit (3.3V)
  • 1 x CAN (up to 2 Mbit/s)

Inputs

  • Ignition
  • 3x Wake up pins
  • Wake up on CAN

Outputs
Main relay control: 1 x LSPS
VDD typ. [V]
14
Tj min [°C]
-40°C
Tj max [°C]
150°C

Product information

Product information

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