A low-cost speed control circuit can be implemented by theaddition of a few components to provide closed-loop speedcontrol of 3-phase brushless dc motors using the A3932 orA3936. This solution avoids the need for relatively expensivetachometers and requir
提供高准确度的用于产品测试、过程监控、等解决方案
提供高准确度的用于产品测试、过程监控、等解决方案