Electronic Components Datasheet Search |
|
BQ24200DGN Datasheet(PDF) 8 Page - Texas Instruments |
|
|
BQ24200DGN Datasheet(HTML) 8 Page - Texas Instruments |
8 / 20 page www.ti.com APPLICATION INFORMATION FUNCTIONAL DESCRIPTION TEMPERATURE QUALIFICATION (bq24200 and bq24202 only) bq24200, bq24201 bq24202, bq24203 bq24204, bq24205 SLUS501C – OCTOBER 2001 – REVISED MARCH 2008 Figure 5. Low Dropout Single-Cell Li-Ion/Li-Pol Charger The bq2420x supports a precision Li-Ion or Li-Pol charging system suitable for single-cells with either coke or graphite anodes. Figure 5 shows an application schematic and Figure 6 shows the typical charge profile. The bq24200 and bq24201 continuously monitors battery temperature by measuring the voltage between the TS and VSS pins. A negative- or a positive-temperature coefficient thermistor (NTC, PTC) and an external voltage divider typically develop this voltage (see Figure 5). The bq24200 and bq24201 compare this voltage against the internal V(TS1) and V(TS2) thresholds to determine if charging is allowed (see Figure 7). The temperature sensing circuit is immune to any fluctuation in Vcc since both the external voltage divider and the internal thresholds are referenced to Vcc. Once a temperature outside the V(TS1) and V(TS2) thresholds is detected the bq24200 and bq24201 immediately suspend the charge. The bq24200 and bq24201 suspend the charge by turning off the power FET and holding the timer value (i.e., timers are NOT reset). Charge is resumed when the temperature returns to the normal range. 8 Submit Documentation Feedback Copyright © 2001–2008, Texas Instruments Incorporated Product Folder Link(s): bq24200, bq24201 bq24202, bq24203 bq24204, bq24205 |
Similar Part No. - BQ24200DGN |
|
Similar Description - BQ24200DGN |
|
|
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 |