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Evaluation board for L99ASC03G three-phase pre-driver

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Parameter NameParameter Value
Operating RangeAutomotive
Target ApplicationAutomotive BLDC Motor
Core ProductL99ASC03G
Packing TypeNot Applicable
RoHs compliantNot compliant
Package NameCARD

The EVAL-L99ASC03 is an evaluation board designed for sensorless 3Phase BLDC motor control. It's composed by a mother-board and a daughter-board on which is pre-assembled the L99ASC03. The system features an enhanced power management power supply functionalities including various standby modes.

The motherboard, based on STM8 microcontroller, provides the logic section for monitoring and driving the L99ASC03 assembled in the daughterboard.

With the aim to make the board usage and settings simpler, ST provides a dedicated user-friendly software with a Graphic User Interface (GUI). This enables the user to set L99ASC03 parameters and at the same time it shows real time device information as the current evolution, motor speed (RPM), the fault flags, the board temperature and much more.

Key features
  • Two separated and signal shielded stages: driver & power
  • ISO pulse protection (not soldered)
  • Reverse polarity protection available on each battery voltage input: Vs, VSREG, power stage
  • Current reference comparator
  • PCB temperature sensor
  • Hall sensors connector and conditioning circuit
  • INH_wake-up button
  • Microcontroller configured to be supplied by L99ASC03 5V LDO
  • Flash mode configurable
  • Compatible with external power boards