Hi, i'm having a problem generating enough voltage across the h-bridge outputs on my TPS65950
At 50% duty cycle, pwm = 128, I end up with only a 300mV square wave on the vibrator motor outputs. I keep checking to see if my i2c registers are configured properly (pwm not audio h-bridge), etc, etc. I think because I DO see output when the device driver sends pwm, it IS working, but unfortunately too low to actuate the motor.
- I am pretty sure the device driver configures for h-bridge, not LED output.
- Scope output is as expected, just too low to drive the motor.
- I have the hardware setup like the datasheet diagram, with inductors and capacitors, etc.
Thoughts on what to try next?
Marcus