一种简易直流电子负载的设计

The Design of a Simple Direct Current Electronic Load

针对电源设备或化学电池的测试需要,以STM32F103单片机为控制核心,外围采用16位A/D、12位D/A以及功率MOSFT设计了一种简易的高精度直流电子负载.测试结果表明,该系统测试时间短、精度高、运行稳定可靠.

For the sake of testing the power equipments or chemistry batteries ,this paper designs a direct current electronic load with high precision ,using the STM32F103 as MCU, 16 bit A/D converter,12 bit D/A converter and Power-MOSFET as the other circuits .The testing data indicates that the system has short testing time ,high precision and reliability .