TAS5828M: hybrid pwm

Hazar Mutgan

Part Number: TAS5828M

hello,

i am trying to make the hybrid pwm work on the TAS5828M but so far no luck. i disconnect the filter from the boost fb, but still i don't see any value change on the pwm output of the tas5828m, is there a setting i am misisng?

my settings

thank you in advance,

hazar

9 months ago

0 Luis Fernandes de Pina 9 months ago

TI__Genius 14420 points

Hello Hazar,

Are you using the EVM? Could you tell me what jumpers are connected.

best regards,
Luis

0 Hazar Mutgan 9 months ago in reply to Luis Fernandes de Pina

Prodigy 40 points

hi luis,
it is a custom board.

0 Hazar Mutgan 9 months ago in reply to Luis Fernandes de Pina

Prodigy 40 points

do i need a pull up to vdd if there is only one tas5828m?

0 Luis Fernandes de Pina 9 months ago in reply to Hazar Mutgan

TI__Genius 14420 points

Hello Hazar,

Can you provide the Schematic for your board. Also yes we typically have the pullup to IOVDD.

best regards,
Luis

0 Hazar Mutgan 9 months ago in reply to Luis Fernandes de Pina

Prodigy 40 points

hello luis,
thanks for the replly, i was missing the pull-up but my main problem was writing the registers. now everything works as it should.

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TAS5828M: hybrid pwm