TPS929120-Q1: Output current questions

Zirui Su

Part Number: TPS929120-Q1

I would like to ask some output current questions about TPS929120:

In the Datasheet, the maximum current of each output channel is 75mA, but if REF is 4.22K, EEP_REFRANGE is 512, and EEP_IOUTx is 3F, the calculated output current is 150mA.
(1) Can 929120 work normally in this case? Are there any risks?
(2) If it can work normally, what is the output current?

over 4 years ago

0 Zhiqian Wu over 4 years ago

TI__Mastermind 31365 points

Hi，

1）I think it can not work normally in this case, there are two problems: 1) the DAC(output) do not have a such high drive capacity 2) higher output current leads to more thermal problems.

2) actually it can not work normally in this situation.