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Bosch semiconductors for Automotive


System basis IC for radar sensors

Application & Technical Summary


CS520 is the perfect companion for radar frontend ICs.

It provides all neccessary supply voltages for a MMIC radar frontend. An on-board CAN transceiver with CAN FD capability supports fast communication with other vehicle systems.

Product benefits

  • Fully integrated solution
  • Voltage monitoring and overcurrent protection for all regulators
  • Full operation down to 4V
  • 12 Watt maximum output power
  • Designed for safety relevant applications up to ASIL C

Target application:

Radar sensors

super-low noise MMIC supply

100 nV / √ Hz for 1 MHz < f < 10 MHz

Technical Features

  • Designed for passenger car and commercial vehicle applications
  • Suitable for systems up to ASIL C
  • Voltage monitoring and overcurrent protection for all regulators
  • SPI interface for control and diagnostics
  • CAN FD driver (up to 5 Mbit/s)
Output voltages
  • 3.3V / 1.8A SMPS for microcontroller and bus transceivers
  • 3.3V / 1.8A low noise LR for MMIC analog radar components
  • 3.3V / 0.9A LR for MMIC digital radar components
  • 5V / 100mA switch for partial network transceivers
  • Reset
  • Battery voltage monitoring switch
  • Battery voltage drop detection
Control interface
VDD typ. [V]
14 / 28
Tj min [°C]
Tj max [°C]
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Product information

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