TPS2561A: Looking for a DCP IC similar to TPS2561A

Preetham Y

Prodigy 90 points

Part Number: TPS2561A
Other Parts Discussed in Thread: TPS2549, TPS2547, TPS2556, TPS2559

Tool/software:

Hi,

I'm looking for a DCP support IC similar to TPS2561A but it should support 5V/3A power negotiation

Please suggest me a part

2 months ago

0 Eric Hartigan 2 months ago

TI__Expert 4820 points

Hi Preetham,

A DCP handshake only tells the sink device that 1.5 A is available. It's not possible to handshake to 3.0 A, per the BC1.2 spec. Can you please clarify your request if I am misunderstanding?

Thanks,
Eric

0 Preetham Y 2 months ago in reply to Eric Hartigan

Prodigy 90 points

Hi Eric,

Thanks for the reply

I want to transfer 5V/3A over USB type A. So I need a an IC which can handle this power negotiation for type A connector

Regards,

Preetham

0 Eric Hartigan 2 months ago in reply to Preetham Y

TI__Expert 4820 points

Hi Preetham,

If you need the handshake logic integrated to the power switch, please consider TPS2547 or TPS2549. If you already have the handshake logic implemented elsewhere in your system, please consider TPS2556/2557 or TPS2559.

The USB specification is limited to 1.5 A for a Type-A connector. There are proprietary handshakes that will result in larger current draw. The largest one that is supported by TI is 2.7 V/Divider-3 mode, which is 2.4 A.

Regards,
Eric

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TPS2561A: Looking for a DCP IC similar to TPS2561A