Brushless DC Drivers
90V Automotive Three-phase Motor Driver with Integrated ARM M4 Cortex MCU
A89224
The A89224 is a highly integrated automotive MCU for 48V BLDC motor control, combining a 32-bit ARM Cortex-M4 core, a 90V MOSFET driver, and precision current sensing. This compact solution simplifies design, reduces external components, and is automotive-grade qualified.
Product Details
Product Details
Top Features
- 5.5 to 90V supply voltage operating range
- 32-bit, 40MHz ARM Cortex M4 CPU Core
- Up to 256kByte Flash, 32kByte DRAM
- 80MHz PWM Generator
- 3-phase bridge MOSFET driver with bootstrap gate drive for N-channel MOSFET bridge
- Programmable 3-channel Current Acquisition Unit (CAU) for BLDC motor
- 12-bit 1μs Data Acquisition Unit (DAU) for voltage measurement
- 1-phase BEMF detector
- Automotive AEC-Q100 qualified
On-Chip Memory
- 32kByte DRAM
- 8kByte IRAM
- 32kByte Boot ROM
- On-chip ±1% accurate oscillator
- Programmable clock generator
- One clock per machine cycle architecture
- DMA • 16 Level Interrupt Handler
- SW-DP 2-wire debug
- Charge pump for low supply voltage operation.
- 3.3V or 5V CMOS compatible logic I/O • 12-bit PWM at 20kHz
- Programmable bemf and current sample control
- Programmable high-performance current sense amplifier
- 3 x 12 bit, 1μs ADC for current measurement
- 8 general purpose I/O ports (GPIO)
- 8 General purpose timers
- 2 Serial Communication Interfaces (SCI)
- LIN Data Link Layer
- 1-phase BEMF detector
- Integrated power management
- VDS, UVLO, and thermal shutdown Diagnostic
- Latched TSD with fault output