LKS32MC037M6S8B

The LKS32MC03x_3P3N series are 32-bit core compact MCU intended for motor control applications that integrates all the modules required for common motor control systems. that integrate three pairs of P-N MOSFET driver modules and can drive 3 pairs of P-N MOSFETs directly. Some models have integrated PN-MOS.

Applications

• Applicable to control systems such as BLDC/ Sensorless BLDC/ FOC/Sensorless FOC and stepping motors, permanent magnet synchronous motors, asynchronous motors, digital power source etc.

Key features

• 48MHz 32-bit Cortex-M0 core, hardware division coprocessor
• low-power sleep mode, MCU sleep power consumption is 30uA
• -40 - 105°C industrial-grade operating temperature range
• Super antistatic and anti-group pulse capability
• Three specifications including 16kB flash/16kB flash+16kB ROM/32kB flash, with a flash anti-stealing feature
• 4kB RAM
• Built-in 4MHz high-precision RC timer, with a full temperature range accuracy of ±1%
• Built-in 64kHz low-speed timer for use in low-power mode
• Internal PLL providing up to a 48MHz timer
• One UART
• One SPI
• One IIC
• General-purpose 16-/32-bit timer, supporting capture and edge-aligned PWM
• Dedicated PWM module for motor control, supporting 6 PWM outputs, independent dead zone control
• Dedicated interface for Hall signals, supporting speed measurement and debounce
• 4-channel DMA
• Hardware watchdog
• Supports up to 25 GPIOs
• Integrated one 12-bit SAR ADC, 1Msps sampling and conversion rate, 11 channels in total
• Integrated 2 OPA, settable for a differential PGA mode
• Integrated two comparators
• Integrated 8-bit DAC digital-to-analog converter as an internal comparator input
• Built-in 1.2V voltage reference with an accuracy of 0.5%
• Built-in 1 low-power LDO and power monitoring circuit
• Integrated high-precision, low-temperature drift high-frequency RC timer
• The internal integration of 2 high-speed operational amplifiers can meet the different requirements of single-resistor/dual-resistance current sampling topology
• The input port of the operational amplifier integrates a voltage clamp protection circuit, and only two external current-limiting resistors are needed to achieve direct current sampling of the MOSFET internal resistance
• ADC module variable gain technology can work with high-speed operational amplifiers to handle a wider dynamic range of current and take into account the sampling accuracy of small current and large current
• Strong ESD and anti-interference ability, stable and reliable
• Supports IEC/UL60730 functional safety certification
• High reliability, high integration, small volume of final product, saving BOM costs
• Internally integrated 2-channel high-speed operational amplifier and two comparators to meet the different requirements of single-resistor/dual-resistor current sampling topologies
• Internal high-speed operational amplifier integrating high-voltage protection circuits, allowing the high-level common-mode signal to be directly input into the chip, and realizing the direct current sampling mode of MOSFET resistance with the simplest circuit topology