TPS610333: best efficiency when vin 1.5v, vout 3.3v

Chen Alex1

Genius 3065 points

Part Number: TPS610333
Other Parts Discussed in Thread: TPS61023

Tool/software:

hi Sir

i need a boos IC, VIN :1.5V, Vout 3.3v, Tps610333 is the best solution?

best efficiency?

thanks

3 months ago

0 Nathan Ding 3 months ago

TI__Genius 10235 points

Hi Alex,

Unfortunately the min input voltage TPS610333 is 1.8V, so it can't support 1.5V VIN.

May I know the max output current in your application? So that I can promote the best solution to you, thanks.

Regards,

Nathan

0 Chen Alex1 3 months ago in reply to Nathan Ding

Genius 3065 points

50mA~60mA

0 Nathan Ding 3 months ago in reply to Chen Alex1

TI__Genius 10235 points

Hi Alex,

We suggest to use TPS61023.

Regards,

Nathan

0 Chen Alex1 3 months ago in reply to Nathan Ding

Genius 3065 points

hi Nathan

The end equipment is the meter, so we use the 1.5v AA battery for power supply, min voltage is 0.9v, Did you have the efficiency chart when vin below 0.9v?

0 Nathan Ding 3 months ago in reply to Chen Alex1

TI__Genius 10235 points

Hi Alex,

Unfortunately we don't have the data for the efficiency when VIN below 0.9V.

You could refer to the simulation data from WEBENCH tool at first, but it is better to have a test based on our EVM to get the accurate efficiency data.

webench.ti.com/.../select

Regards,

Nathan

Power management

Power management forum

TPS610333: best efficiency when vin 1.5v, vout 3.3v