TPS62125: [Quanta]negative design to SPDT

Sean Tsai

Prodigy 440 points

Part Number: TPS62125

Hi Expert ,

my customer want to used two pcs TPS62125 apply -4V and -11V

I am not sure what risk on this, could you help to review and provide your recommendation?

Thanks

Sean

over 1 year ago

0 Shipeng Cheng over 1 year ago

TI__Mastermind 18490 points

Hi Sean,

My colleague Colin will reply to you later today. Thanks for your patience.

0 Colin Chen over 1 year ago in reply to Shipeng Cheng

TI__Mastermind 22071 points

Hi Sean,

Looks not bad, i also post a app note for your reference:

https://www.ti.com/lit/an/slva469d/slva469d.pdf?ts=1715048572688&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS62135%253Futm_source%253Dgoogle%2526utm_medium%253Dcpc%2526utm_campaign%253Dapp-bsr-null-44700045336317629_prodfolderdynamic-cpc-pf-google-soas_int%2526utm_content%253Dprodfolddynamic%2526ds_k%253DDYNAMIC+SEARCH+ADS%2526DCM%253Dyes%2526gad_source%253D1%2526gclid%253DCj0KCQjw_-GxBhC1ARIsADGgDjvvhnc8sy052JSFLMdwfaCcXFLGdmMKLOeyNA9-qwL4PpWSX843D0AaAo73EALw_wcB%2526gclsrc%253Daw.ds

Thanks

Colin

0 Sean Tsai over 1 year ago in reply to Colin Chen

TI__Prodigy 440 points

Hi Colin

i want to doble confirm , if VIN 3.3V Vout:-11V.have risk on this application ??

Thanks

Sean

0 Colin Chen over 1 year ago in reply to Sean Tsai

TI__Mastermind 22071 points

Hi Sean,

This device can support maximum current of 300mA.

If it is used in IBB application. especially in |Vin|<|Vout|. Considering the rated current of input should be smaller than 300mA. The load current should be smaller than 90mA accordingly.

Thanks

Colin

Power management

Power management forum

TPS62125: [Quanta]negative design to SPDT