三相PMSM/BLDC FOC无感马达控制器40V All-in-one MCU

ET1922是设计为PMSM / BLDC马达应用的驱动型晶片。ET1922为8位元8051-1T内核，搭载祥诚FOC硬件化马达演算控制单元，使无感传感器马达控制易于上手。内部集成低压IPM成为MCU All-in-one，达成最佳成本，可适用于小瓦数的各类应用。ET1922採用LQFP-48 7x7封装。 • 三相向量无感PMSM / BLDC控制器\n • 硬件化马达控制核心，功能从暂存器选择\n• 大幅度简化软体开发複杂度与时程\n• 无霍尔感测器，正弦波磁场定向控制\n• 保护功能：OCP，UVLO和马达锁定保护\n• 马达转子初始角度估测SMO/li>• 向量无感PMSM / BLDC马达控制器:\n-MCS®-51，48MHz \n-16KB Flash，256Byte EEPROM，256 Byte IRAM，512 Byte XRAM\n-13组中断来源， 包含2组外部中断(INT0N， INT1N)\n-2组外部OCP中断(AOCP, OCP)\n-全双工UART通讯界面\n-8;

Energic

祥诚

Three-Phase Brushless Motor Driver for Office Automation Applications

Overview The LB1922 is a single-chip drive circuit that provides the direct PWM drive output appropriate for the power brushless motors used in office automation equipment. It provides a variety of peripheral circuits on chip, including a speed control circuit and an FG amplifier. It is optimal i

文件：123.27 Kbytes 页数：10 Pages

SANYO

三洋

1A Current-Limited Switch for 2 USB Ports

General Description The MAX1922 current-limited 70mΩ switch with built-in fault blanking provides an accurate, preset 1.4A to 2.1A current limit, making it ideal for dual USB applications. Its low quiescent supply current (16µA) and standby current (1µA) conserve battery power in portable applica

文件：711.3 Kbytes 页数：8 Pages

Maxim

美信

1A Current-Limited Switch for 2 USB Ports

文件：186.27 Kbytes 页数：9 Pages

Maxim

美信