NXP Semiconductors MagniV S12ZVM微控制器 (MCU) 是一套小型、高效、可扩展的三相电机控制解决方案,用于工业和汽车应用。S12ZVM MCU非常适合用于无刷直流电机 (BLDC)、永磁同步电机 (PMSM) 和开关磁阻电机 (SRM)。 MagniV S12ZVM MCU的特性包括:设有增强型S12Z内核;结合了与PWM生成同步的双ADC;以及集成了高电压模拟模块。模拟模块包括稳压器 (VREG)、栅极驱动单元 (GDU),以及本地互连网络 (LIN) 物理层或控制器局域网络 (CAN) 物理层。借助这些特性,可实现完全集成的单芯片解决方案,从而最多驱动6个用于BLDC或PMSM电机驱动应用的外部功率MOSFET。 另外,S12ZVM MCU还在RAM、闪存和EEPROM上包含纠错码 (ECC) 用于诊断或数据存储,并配有一个快速模数转换器 (ADC) 和一个可改进电磁兼容性 (EMC) 性能的频率调制锁相环 (IPLL)。 MagniV S12ZVM微控制器有各种引脚分配选项可供选择,提供80引脚、64引脚和48引脚LQFP-EP封装,具有设计灵活性。
特性
_Enhanced S12Z core at 50MHz bus speed
_Highly integrated solution ideal for 3-phase motors
_Supports Field-Oriented Control (FOC) for maximum energy efficiency and_lowest audible noise
_CAN-, LIN-, and_HV-PWM-PHY options with memory up to 256KB
_High immunity to EMI and_ESD stresses, LIN 2.x compliant with ±8kV ESD capability
_1MHz internal RC oscillator with ±1.3%_accuracy over a rated temperature range
_6-channel, 15-bit Pulse Width Modulator with fault protection (PMF)
_Dual 12-bit analog to digital converter (ADC)
_Programmable trigger unit (PTU) to synchronize ADC conversions
_Wide 3.5V to 20V operating range
_Serial Peripheral Interface (SPI) module
_Serial Communication Interface (SCI) module with an interface to internal LIN physical layer transceiver
_Gate drive unit (GDU) for six power MOSFETs
_Up to 2 Op-Amp for current measurement/sensing
应用
_3-phase BLDC motor control
_Brush DC motor control with PWM
_Engine cooling fans
_HVAC blowers
_Oil, fuel, and_water pumps
_A/C compressors
_Turbo/superchargers
_Reversible wipers
_Trunk openers