Part Number: DRV8873
IC chip: DRV8873HPWPR
Mode: PWM Mode, "Mode" pin connect to DVDD pin, H bridge, motor connect to OUT1 and OUT2
1. How to control motor from forwad to brake within 2 seconds?
I want to brake motor from full speed to stop within…
Part Number: DRV8873-Q1 Other Parts Discussed in Thread: DRV8873
各位老师好,现在我们用DRV8873带载非常烫,测试条件如下
1、供电12V,
2、单路带载电流1.5A
3、PWM驱动频率 50KHZ
温升很快会到100度左右,当我们降低频率到20KHZ的时候,温度会讲到90度左右,
问题: 1:DRV8873手册上面是支持到50KHZ的,为什么会烫,是不是我电路周围的器件搭配的不合理?
2:我的负载要求是50KHZ,否则会有异响…