TPSM861252: Efficiency

Owen Mears

Expert 3815 points

Part Number: TPSM861252
Other Parts Discussed in Thread: TPSM863252

Tool/software:

Hello,

Can you share the efficiency for this module at the following voltage rails?

Vin = 1.8V ; Vout = 1.0V @ 130A
Vin = 3.3V ; Vout = 2.5V @ 160A
Vin = 12V ; Vout = Less than 1mA @ 5V or 3.3V

Thank you!

7 months ago

0 Lucia Gao 7 months ago

TI__Mastermind 24220 points

Hi Owen,

Actually TPSM861252 can't support (1) Vin=1.8V, (2) 130A/160A.

TPSM86125x 3V to 17V Input, 1A, Synchronous Buck Module in QFN Package datasheet (Rev. B)

Thanks!

BRs

Lucia

0 Ramneek Bhurji 7 months ago

Prodigy 30 points

Hi Owen and Lucia,
I missed adding a decimal point for the the current requirements for the 1V and 2.5V rails. Also, I can change the Vin for the 1.0V to 3.3V in my design. Could you please share the efficiency for the following voltage rails? I have updated the requirements:

Vin = 3.3V ; Vout = 1.0V @ 130mA
Vin = 3.3V ; Vout = 2.5V @ 160mA
Vin = 12V ; Vout = Less than 1mA @ 5V

Thanks.

0 Lucia Gao 6 months ago in reply to Ramneek Bhurji

TI__Mastermind 24220 points

Hi Ramneek,

Thanks for your clarify! You can either request EVM board to test the efficiency or use our Webench model to get the efficiency data.

webench.ti.com/.../150

Thank you!

BRs

Lucia

0 Ramneek Bhurji 6 months ago in reply to Lucia Gao

Prodigy 30 points

Hi Lucia,

This part is not showing up in Webench for me.

- Ramneek

0 Lucia Gao 6 months ago in reply to Ramneek Bhurji

TI__Mastermind 24220 points

Hi Ramneek,

You can search for TPSM863252 and you will find the Webench model. Thank you!

BRs

Lucia

0 Lucia Gao 6 months ago in reply to Lucia Gao

TI__Mastermind 24220 points

https://webench.ti.com/power-designer/switching-regulator/customize/151?VinMin=3&VinMax=17&O1V=1.05&O1I=3&base_pn=TPSM863252&AppType=None&Flavor=None&op_TA=30&origin=pf_panel&lang_chosen=en-US&optfactor=3&Topology=Buck&flavor=None&VoltageOption=None

Pls try above link. Thank you!

BRs

Lucia

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TPSM861252: Efficiency