Power Management

Q&A How can I connect the LTC4000-1 and LT8390A as a 10-Amp MPPT charger for a lead-acid battery ?

Products Mentioned

LTC4000-1 Recommended for New Designs
The LTC4000-1 is a high voltage, high performance controller that converts many externally compensated DC/DC power supplies into full-featured battery...
Datasheet
LTC4000-1 on Analog.com

LT8390A Recommended for New Designs
The LT8390A is a synchronous 4-switch buck-boost DC/DC controller that regulates output voltage, input or output current from an input voltage above, below...
Datasheet
LT8390A on Analog.com

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How can I connect the LTC4000-1 and LT8390A as a 10-Amp MPPT charger for a lead-acid battery ?

Brobro

on Jun 6, 2019

I tried to connect it in LTspice, but it doesn't work.

The other combo : LTC4000-1 and LT3789 simulates well.

What's the problem here ?

Tags: Switching Battery Chargers battery charger ic External Power Switch Buck-Boost Controllers Buck-Boost Regulators LTC4000-1 LT8390A Show More

0 Mikee_Lacson_00

on Jun 18, 2019 10:57 PM
Hi

Can you provide your simulation file ?

regards
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0 Brobro
on Jun 26, 2019 6:38 AM in reply to Mikee_Lacson_00
How can I insert file here ? I see only "Insert image/video/file" possibility, not for an *asc file.
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0 Brobro
on Jun 26, 2019 6:39 AM in reply to Mikee_Lacson_00
How can I insert files here ? (other than video files) ?
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0 Mikee_Lacson_00

on Jun 27, 2019 10:24 PM in reply to Brobro
Hi

Please go to insert select on image/video/file

then on the "From" drop down list select "File Upload"

select file to be uploaded and click on "OK"
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+1 Brobro
on Jul 13, 2019 5:58 PM in reply to Mikee_Lacson_00
4000-1-&-8390A-26062019.asc.zip

Here is the file.
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0 Mikee_Lacson_00

on Jul 23, 2019 6:05 AM in reply to Brobro
Hi

We are currently working with our experts with the simulation. We would get back to as soon as we have the results.

Regards,
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0 Fil

on Aug 7, 2019 2:23 AM
We still don't have update from simulation team yet but we see no reason why LTC4000-1 and LT8390A will not work. It may be good that you get hold of demo boards and verify by testing.
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