LKS32MC057EM6S8

LKS32MC055DL6S8/LKS32MC055EL6S8/LKS32MC057EM6S8/LKS32MC057FM6S8 are 32-bit core dedicated processors for motor control applications, integrating all modules required by common motor control systems, along with a three-phase P/N MOS gate driver module capable of directly driving three-channel P/N MOS power devices.

Applications

• Suitable for sensored BLDC / sensorless BLDC / sensored FOC / sensorless FOC and stepper motor, PMSM, asynchronous motor control systems

Key features

• 96MHz 32-bit Cortex-M0 core
• Low-power sleep mode
• Integrated three-phase P/N MOS gate driver module
• Industrial operating temperature range
• Superior ESD and burst immunity
• 32K Flash with encryption and 128-bit unique chip ID
• 2.5K RAM
• 7.5~32V (absolute maximum 40V) single-supply operation, with integrated 5V LDO powering the internal MCU
• Operating temperature: -40~105℃
• Built-in 4MHz high-precision RC oscillator, ±1% accuracy over -40~105℃
• Built-in 64kHz low-speed clock for low-power mode
• Internal PLL up to 96MHz
• Dual UART
• One SPI, master/slave mode support
• One I²C, master/slave mode support
• 2× general-purpose 16-bit timers with capture and edge-aligned PWM
• 2× general-purpose 32-bit timers with capture and edge-aligned PWM
• 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 groups of 16-bit GPIO; P0.0/P0.1/P1.0/P1.1 can serve as system wake-up sources; P0.15~P0.0 (16 GPIOs) support external interrupt input
• Integrated 12-bit SAR ADC, 2Msps sampling/conversion rate, 16 channels
• Integrated 2× op-amps, configurable as differential PGA mode
• Integrated dual comparators
• Integrated 12-bit DAC
• Built-in ±2℃ temperature sensor
• Built-in 1.2V voltage reference with 0.8% accuracy
• Built-in low-power LDO and power monitoring circuit
• Integrated high-precision, low-temperature-drift high-frequency RC oscillator
• High reliability, high integration, compact end-product size, reduced BOM cost
• Integrated 2× high-speed op-amps and dual comparators, supporting single-shunt/dual-shunt current sensing topologies
• Internal high-speed op-amps with high-voltage protection, allowing high common-mode signals directly into the chip, enabling direct MOSFET shunt current sensing with minimal circuit complexity
• Proprietary technology optimizes ADC and high-speed op-amp coordination for wider current dynamic range, maintaining sampling accuracy for both high-speed low-current and low-speed high-current conditions
• Streamlined, efficient overall control circuit with strong noise immunity, stable and reliable
• Single-supply 7.5~32V, integrated 5V LDO
• Integrated three-phase P/N MOS gate driver module
• IEC/UL60730 functional safety certification support