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TPA325x的OC阀值设置

Other Parts Discussed in Thread: TPA3251

TPA3251/55有个OC_ADJ引脚,可通过外接电阻设置过载/短路电流保护的阀值。这个电阻的阻值与保护模式和阀值,规格书内只看到一个表格,列举了每个模式下的4种阻值对应的阀值。仅仅这几个参数在应用中显得不够,例如我需要设置CB3C模式OC阀值是8A,将如何计算。

Ti有没有具体的OC_ADJ电阻的计算公式?

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