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Q: TPA1517 IOSM IORM
Please teach me about TPA1517.
Please teach the following meaning.
IoSM Non-repetitive peak output current and IoRM Repetitive peak output current?
IoSM are 4A TYP, IoRM are 2.5A TYP.
Why is it same value at Vcc=12V and Vcc=14.5V?
A: Re: TPA1517 IOSM IORM
IoSM and IoRM are just measurements of the current capability in the output stage. IoSM is how much peak current the amplifier will be able to provide in a single large transient. IoRM is the peak current that the amplifier can provide repeatedly, for example in a sine wave output.
It is NOT a measure of the output power in the stated conditions. For example, at 12V PVDD and 4 ohm load, the amplifier will not be able to provide 4A since (PVDD/2) /RL = 3A. But if a smaller load is present, such as 2 ohms, the amplifier will be able to provide up to 4 A for a single time or 2.5A if it is a periodic or repeated signal.
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