 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
BQ29412PWRG4 Datasheet(PDF) 5 Page - Texas Instruments |
|
|
||||||||||||||||||||||||||||||
BQ29412PWRG4 Datasheet(HTML) 5 Page - Texas Instruments |
|
|
5 / 19 page  C (DELAY) + t d I CD 1.2 V t d + 1.2 V C (DELAY) I CD VC1 VC2 VC4 VC3 GND VDD OUT CD 1.2V(TYP) RVD CVD ICD =0.2 A(TYP) CIN RIN RIN RIN RIN CIN CIN CIN C (DELAY) Not Recommended for New Designs bq29410, bq29411, bq29412 bq29413, bq29414 bq29415, bq29419 www.ti.com SLUS669G – AUGUST 2005 – REVISED AUGUST 2008 FUNCTIONAL BLOCK DIAGRAM OVERVOLTAGE PROTECTION When one of the cell voltages exceeds V(PROTECT), an internal current source begins to charge the capacitor, C(DELAY), connected to the CD pin. If the voltage at the CD pin, VCD, reaches 1.2 V, the OUT pin is activated and transitions high. An externally connected NCH FET is activiated and blows the external fuse in the positive battery rail; see the functional block diagram. If all cell voltages fall below V(PROTECT) before the voltage at pin CD reaches 1.2 V, the delay time does not run out. An internal switch clamps the CD pin to GND and discharges the capacitor, C(DELAY), and secures the full delay time for the next occurring overvoltage event. Once the pin OUT is activated, it transitions back from high to low after all battery cells reach V(PROTECT) – Vhys. DELAY TIME CALCULATION The delay time is calculated as follows: Where I(CD) = CD current source = 0.18 µA Copyright © 2005–2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: bq29410 bq29411 bq29412 bq29413 bq29414 bq29415 bq29419 |
Similar Part No. - BQ29412PWRG4 |
|
Similar Description - BQ29412PWRG4 |
|
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
