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Part Number: TAS5805M
Recently we are testing the TAS5805M efficiency on tur EVM board, but the results look like not good as we expected - can you help to double check on this?
1. 16V PVDD, 6ohm load, 2*10W output.
2. Running PPC3 in default register settings, FSW=768kHz, BD mode.
Test efficiency results:
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Have you bypassed external power consumption factors like LEDs on the EVM?
In addition, what is customer's expectation of efficiency? Can they accept 1SPW mode?
Anyway, based on your condition, data will be shared with your on our MTS boards later.
In reply to Alix Wan:
--Yes, as we removed the PVDD jumper to measure the audio amp current on our EVM board.
--It is expected more than 85%, I don't think that 1SPW mode will help a lot in full power output conditions.
In reply to Jacky Wang(QD):
The data measured by you is reasonable to our database. In order to meet customer's spec, please refer to :
Efficiency can be roughly estimated with the equation below:
Hence, I would recommend you to :
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