LKS32AT085C8Q9

LKS32AT085 is an automotive-grade MCU integrating a 32-bit Cortex-M0 core, with all modules required for common motor control systems integrated on-chip.

Applications

• Sensored BLDC / Sensorless BLDC / Sensored FOC / Sensorless FOC, and stepper motor, PMSM, induction motor control systems

Key features

• 96MHz Cortex-M0 core
• Integrated proprietary instruction set motor control DSP
• Ultra-low power sleep mode, sleep current 10uA
• Automotive-grade operating temperature range
• Superior ESD and burst immunity
• AEC-Q100 certified
• Built-in 4MHz high-accuracy RC oscillator: ±1% accuracy over -40~105℃, ±1.5% accuracy over 105~125℃
• Built-in 32KHz low-speed clock for low-power mode
• Optional external 4MHz crystal oscillator
• Internal PLL up to 96MHz clock output
• Dual UART
• Single SPI, master/slave mode
• Single I2C, master/slave mode
• Single CAN (not available on all variants); external crystal recommended as reference clock
• 2× general-purpose 16-bit timers with input capture and edge-aligned PWM
• 2× general-purpose 32-bit timers with input capture and edge-aligned PWM; quadrature encoder, CW/CCW, and pulse+direction inputs supported
• Dedicated motor control PWM module: 8-channel PWM output with independent dead-time control
• Dedicated Hall signal interface with speed measurement and debounce
• Hardware watchdog
• Up to 4 banks of 16-bit GPIO; P0.0/P0.1/P1.0/P1.1 support system wake-up; P0.15~P0.0 (16 GPIOs) support external interrupt input
• Integrated 12-bit SAR ADC: synchronous dual sampling, 3Msps conversion rate, up to 13 channels
• Integrated 4× op-amps, configurable as differential PGA
• Integrated 2× comparators with hysteresis mode
• Integrated 12-bit DAC
• Built-in ±2℃ temperature sensor
• Built-in 1.2V voltage reference, 0.8% accuracy
• Built-in low-power LDO and power monitor circuit
• Integrated high-accuracy, low-temperature-drift high-frequency RC oscillator
• Integrated crystal oscillation circuit
• High reliability, high integration, compact end-product size, reduced BOM cost
• Integrated 4× high-speed op-amps and 2× comparators supporting single-shunt/dual-shunt/three-shunt current sensing topologies
• High-speed op-amps with integrated HV protection, allowing high-voltage common-mode signals directly into the chip; enables direct MOSFET shunt current sensing with minimal circuitry
• Patented technology optimizes ADC and high-speed op-amp coordination for wider current dynamic range, with accurate sampling across both high-speed low-current and low-speed high-current conditions
• Clean and efficient overall control circuitry with strong noise immunity, stable and reliable
• Single supply 3.0V~5.5V, ensuring broad power supply compatibility
• IEC/UL60730 functional safety certification supported