Part Number: DRV8844 Tool/software: What could be the reason for Fault being always asserted? Schematic below; I'm trying to simply get the part working, not drive anything yet. V3P3OUT does output 3.3V.
Part Number: DRV8844 Hi team,
How to realize OVP on the output of DRV8844? It seems we do not integrated this kind of protection. Do we have external discrete solution on this?
Part Number: DRV8844 Hi Team,
In datasheet, it is said that the two pins SRC12 and SRC34 of DRV8844 can be connected to external current-limiting resistors, but there is no further specific explanation. Could you possibly help below questions:
1. Is the…
Part Number: DRV8844 Hi Team,
When DRV8844 drives a DC brushed motor in a single channel, it enters protection as soon as it is powered on. After protection, only one output is turned off, and the other output still has PWM output. May I ask why not both…
Part Number: DRV8844 Hi
To use the current sensing function of DRV8844, a circuit is designed and tested As a result of the test, the current is not measured at 0.05 ohm shunt resistance, but the OUTPUT operates In addition, OUTPUT operates even if 0.05…
Hey Cherry,
This definitely looks like an overvoltage event . In this case, likely due to the rapid motor reversal from your comment " It has been reversed before burnout."
Please read The art of stopping a motor – VM pumping . When the motor…
Part Number: DRV8844 Other Parts Discussed in Thread: RM44L920 , , HALCOGEN I'm using the RM44L920 MCU to drive the DRV8844's PWM capable input pins to drive a solenoid load. Now i'm using the ePWM module to generate PWM (one of the pins is pin number 19…
Part Number: DRV8844 Other Parts Discussed in Thread: DRV8220 , DRV8935 Hi,
I am using DRV8844 to drive 2 valves right now and it works as expected.
I am planning to add 2 additional heaters, schematic as below.
As I understand the datasheet each pin OUT1…