Dear Akshay,
1. For a 5-wire unipolar stepper motor, the center taps of each winding are connected together. Can we ignore the center tap and directly use a bipolar driver such as DRV8424?
2. If I want to be compatible with unipolar(5-wire) and bipolar…
Hi Zoe,
The DRV8803 and DRV8860 disable all output channels if OCP (overcurrent) error is detected in any half-bridge. The DRV8955 is a good alternative to the 8803 and 8860 with the added benefit of only the Channel experiencing OCP becoming disabled…
Hi Linda,
The closes equivalent to the DRV8847 is the DRV8955 which is quad half-bridge driver. Each half-bridge can be controlled independently or paralleled for higher current capability. The main differences is the DRV8955 does not an ISENSE pin for…
Hi Jacob,
Jacob Wyrick said: Is there any reason we wouldn't or shouldn't add an external charge pump circuit and provide its output to BST_x to achieve 100% duty cycle?
This is not recommended. The external circuit may cause problems with the…