Jump to content
ELFORUM - Forumul electronistilor

Incarcare descarcare baterie


Guest
 Share

Recommended Posts

Nu stiam ce denumire sa dau la Topic...dar, incerc sa fac un charger/discharger la un acumulator, folosind circuitul de mai jos(partial).

Prima intrebare este daca R4 se monteaza sau nu, si daca nu cumva trebuie sa pun 2 rezistori de 22K.

 

In lipsa acumulatorului, la pozitia "charge" apare tensiune si pe "REZISTENTA", si nu ar trebuii cred eu...

Ce e incorect la circuit ?...

 

post-235374-0-02851000-1476970396_thumb.jpg

Link to comment
Share on other sites

R3&R4 nu ar trebuii sa aiba valoarea 20(22k) ca sa rezulte 10K ? sunt in paralel prin R1 & R2, nu ?

Da, cam lipseste un rezistor dar unde ? intre U1/Pin4-GND sau intre U1Pin4-OUT[-] ? problema apare cand nu are bateria montata..

 

 

L.E: da stiu vorbesc prostii... o sa pun o rezistenta intre U1/Pin4-GND sa vad ce si cum, si trebuie sa schimb rezistentele alea 2 cu 22K

Edited by Guest
Link to comment
Share on other sites

....

Q1 si Q2 sunt in paralel, daca pun R3/R4 de 10K, rezulta o rezistenta de 5K.

Asta ar afecta divizorul rezistiv, Q1 & Q2 vor fi atacati in grila cu prea putin, nu vor deschide complet...

 

sau nu ?...

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

 Share

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.Terms of Use si Guidelines