 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
BQ24088 Datasheet(PDF) 5 Page - Texas Instruments |
|
|
||||||||||||||||||||||||||||||
BQ24088 Datasheet(HTML) 5 Page - Texas Instruments |
|
|
5 / 34 page  ELECTRICAL CHARACTERISTICS (Continued) bq24085, bq24086 bq24087, bq24088 www.ti.com .................................................................................................................................................... SLUS784B – DECEMBER 2007 – REVISED MAY 2008 over recommended operating, TJ = 0–125°C range, See the Application Circuits section, typical values at TJ = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CHARGE TERMINATION DETECTION, VO(REG) = 4.2 V, CHARGER ENABLED, NO FAULT CONDITIONS DETECTED, Thermal regulation LOOP NOT ACTIVE, RTMR = 50K or TMR pin OPEN Termination detection current I(TERM) V(BAT) > V(RCH), I(TERM) = K(SET) × V(TERM)/R(ISET) 5 75 mA range Charge termination detection V(TERM) V(BAT) > V(RCH) 225 250 275 mV set voltage(1) Deglitch time, termination tDGL(TERM) V(ISET) decreasing 50 ms detected BATTERY RECHARGE THRESHOLD V(RCH) Recharge threshold detection [VO(REG)–V(BAT) ] > V(RCH) 75 100 135 mV Deglitch time, recharge tDGL(RCH) V(BAT) decreasing 350 ms detection TIMERS, CE = LO, CHARGER ENABLED, NO FAULT CONDITIONS DETECTED, V(TMR) < 3 V, TIMERS ENABLED t(CHG) Charge safety timer range t(CHG) = K(CHG) × RTMR ; thermal loop not active 3 10 hours K(CHG) Charge safety timer constant V(BAT) > V(LOWV) 0.08 0.1 0.12 hr/k Ω t(PCHG) = K(PCHG) × t(CHG) ; Thermal regulation loop t(PCHG) Pre-charge safety timer range 1080 3600 sec not active Pre-charge safety timer K(PCHG) V(BAT) < V(LOWV) 0.08 0.1 0.12 constant Charge timer AND termination Charge timer and termination disabled at: V(TMR) > bq24085/86/88 enable threshold VTMR(OFF) VTMR(OFF) 2.5 3 3.5 V Charge timer disabled at: Charge timer enable threshold bq24087 V(TMR) > VTMR(OFF) BATTERY DETECTION THRESHOLDS IDET(DOWN) Battery detection current (sink) 2 V < V(BAT) < VO(REG) 1 2 3.2 mA Battery detection current IDET(UP) 2 V < V(BAT) < VO(REG) IO(PRECHG) (source) 2 V < V(BAT) < VO(REG), Thermal regulation loop not t(DETECT) Battery detection time 125 ms active; RTMR = 50 kΩ, IDET(down) or IDET (UP) TIMER FAULT RECOVERY I(FAULT) Fault Current (source) V(OUT) < V(RCH) 0.8 1.1 mA OUTPUT CURRENT SAFETY LIMIT, V(IN) ≥ 4.5 V, CHARGER ENABLED, ISET SHORTED TO GND I(SETSC) Charge overcurrent safety V(ISET) = VSS 1.5 A (1) The voltage on the ISET pin is compared to the V(TERM) voltage to determine when the termination should occur. Copyright © 2007–2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): bq24085, bq24086 bq24087, bq24088 |
Similar Part No. - BQ24088 |
|
Similar Description - BQ24088 |
|
|
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
