TPS61299: current consumption

Gustavo Adono

Part Number: TPS61299

Tool/software:

I have some doubts regarding the consumption of the TPS61299

I have assembled the circuit below on the bench.

From what I understand, the TPS61299xA has a Force pass through mode, where it practically works like a switch.

Measuring the consumption of this circuit with the enable pin set to LOW, I reached 300uA, is this as expected?

If I use the TPS61299x, which has True disconnection operation mode , will I have the same consumption or can I expect something around 95nA?

3 months ago

0 Nini Zhong 3 months ago

TI__Expert 8835 points

Hi Adono,

what is the Vin , for tps61299A when EN is low, the current should be 60nA.

for tps61299, when En is low the current should be 30nA typically but minor vibration should be allowed.
maybe the setup is different from our test. What’s the vin, what instrument is used to test the current?

0 Gustavo Adono 3 months ago in reply to Nini Zhong

Prodigy 70 points

Sorry, today I discovered that there was a soldering problem and the consumption reached around 100nA. Regarding the other question, if I just change the part number from the

TPS61299xA

for the

TPS61299x

when the EN pin is set to LOW, will I not have voltage at the output?

+1 Nini Zhong 3 months ago in reply to Gustavo Adono

TI__Expert 8835 points

Yes you are right, EN low , no output for TPS61299.

0 Gustavo Adono 3 months ago in reply to Nini Zhong

Prodigy 70 points

Thank you Nini Zhong!

0 Nini Zhong 3 months ago in reply to Gustavo Adono

TI__Expert 8835 points

You are welcome

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TPS61299: current consumption