Part Number: DRV8432
Hello.
I designed a circuit that drives Peltier using drv8432.
Try to control two peltiers with one drv8432
The circuit is...
GVDD=VDD=PVDD = 12V, (load = peltier) duty30%
(yellow = out_a port , blue = out_b port)
GVDD=VDD=12V , PVDD = 24V not working drv8432...
(out_a & out_b connected peltier line)
(yellow = out_a port, blue = out_b port)
I only input the pwm signal to the pwm_a port.
(pwm_b singal is low)
if no load(not connected peltier), the signal is output only from the out_a port.
when the load is connected,
I only input the pwm signal to the pwm_a port. a signal of the same waveform is also measured in out_b.
Drv8432 does not work because it is a signal of the same phase.
I don't know what's wrong.
help me.
It is difficult to deliver English, but I try to explain as much as I can.
help me.
