TPS24720: Is this part suitable for automotive applications

Gary Routledge

Prodigy 40 points

Part Number: TPS24720
Other Parts Discussed in Thread: TPS1211-Q1, TPS25940-Q1

Can TPS24720 be used in automotive and aerospace applications?

over 2 years ago

0 Rakesh over 2 years ago

TI__Guru** 104981 points

Hi Gary,

Welcome to E2E!

TPS24720 is not suitable.

Can you share voltage and current specs to suggest suitable part

BR,

Rakesh

0 Gary Routledge over 2 years ago in reply to Rakesh

Prodigy 40 points

Hi, the circuit that was used in the original thread TPS24720: schematic design review shows the voltage and current requirements. It was my colleague who asked for the schematic review.

I need an automotive version of TPS24720.

0 Rakesh over 2 years ago in reply to Gary Routledge

TI__Guru** 104981 points

please see below

V1 = 5V @ 12A TPS1211-Q1
V2 = 3.3V @ 18A No Solution
V3 = 3.3V_Aux @ 6A TPS25940-Q1

0 Gary Routledge over 2 years ago in reply to Rakesh

Prodigy 40 points

Can we use TPS1HB08A-Q1? Our requirement is 3.3V @ 18A. The nominal supply voltage is 6-18 but the datasheet says "Extended supply voltage" is 3-28. What is extended supply voltage? How do we use this in a 3.3V application to limit the current to 18A?

0 Rakesh over 2 years ago in reply to Gary Routledge

TI__Guru** 104981 points

Hi Gary,

I have looped in appropriate engineer to help on TPS1HB08A-Q1. He will get back

+1 Shreyas Dmello over 2 years ago in reply to Gary Routledge

TI__Mastermind 32650 points

Hi Gary,

TPS1HB08 cannot be used in DC operation in the extended supply range. This range is meant for transients like cold crank condition.

Another major concern is the DC current as 18A is much larger than what the device is rated to handle.

Thanks,

Shreyas

Power management

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TPS24720: Is this part suitable for automotive applications