 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
BQ2944L9 Datasheet(PDF) 4 Page - Texas Instruments |
|
||||||||||||||||||||||||||||||
BQ2944L9 Datasheet(HTML) 4 Page - Texas Instruments |
|
|
4 / 17 page  bq29440, bq2944L0 bq29449, bq2944L9 SLUSA15B – MARCH 2010 – REVISED JUNE 2010 www.ti.com ELECTRICAL CHARACTERISTICS Typical values stated where TA = 25°C and VDD = 17 V, MIN/MAX values stated where TA = –40°C to 110°C and VDD = 4 V to 25 V (unless otherwise noted). PARAMETER TEST CONDITION MIN NOM MAX UNIT Overvoltage bq29449 4.30 VPROTECT detection V bq29440 4.35 voltage Overvoltage detection VHYS For non-latch devices only 200 300 400 mV hysteresis Overvoltage detection VOA TA = 25°C –10 10 mV accuracy TA = 0°C to 60°C –0.4 0.4 Overvoltage threshold VOA_DRIFT (1) mV/°C temperature drift TA = –40°C to 110°C –0.6 0.6 TA = 0°C to 60°C 6.5 8.5 13 Note: Does not include external capacitor variation Overvoltage delay time XDELAY s/µF scale factor TA = –40°C to 110°C 6.0 8.5 16 Note: Does not include external capacitor variation Overvoltage delay time XDELAY_CTM scale factor in Customer See CUSTOMER TEST MODE. 0.08 s/µF Test Mode Overvoltage detection ICD(CHG) (See Figure 1.) 140 nA charging current Overvoltage detection ICD(DSG) (See Figure 2.) 60 µA discharging current Overvoltage detection VCD external capacitor 1.2 V comparator threshold (VC1–VC2) = (VC2–VC3) = (VC3–VC4) = (VC4–GND) = 3.5 V ICC Supply current 2 3.5 µA (See Figure 3.) (VC1–VC2), (VC2–VC3), (VC3–VC4) and (VC4–GND) = VPROTECTMAX, VDD = 20V, 6.5 8.0 9.5 V IOH = 0 to -10 µA (VC1–VC2), (VC2–VC3), (VC3–VC4) and VOUT OUT pin drive voltage (VC4–GND) = VPROTECTMAX, VDD = 4V, 2.0 3.0 3.5 V IOL = -10 µA, TA = 0°C to 60°C (VC1–VC2), (VC2–VC3), (VC3–VC4) and 0.1 V (VC4–GND) = 4 V, IOL = 0 µA OUT = 0 V, (VC1–VC2), (VC2–VC3), (VC3–VC4) or IOUT(SHORT) OUT short circuit current 4 mA (VC4–GND) > VPROTECT, VDD = 18 V tr(OUT) (1) OUT output rise time CL = 1 nF, VDD = 4 V to 25 V, VOH(OUT) = 0 V to 5 V 5 µs ZO(OUT) (1) OUT output impedance 2 k Ω Measured at VC1, (VC1–VC2), (VC2–VC3), (VC3–VC4) and (VC4–GND) = 3.5 V, –0.3 1.5 µA TA = 0°C to 60°C (See Figure 3.) IIN Input current at VCx pins Measured at VC2, VC3 or VC4, (VC1–VC2), (VC2–VC3), (VC3–VC4) and (VC4–GND) = 3.5 V, –0.3 0.3 µA TA = 0°C to 60°C (See Figure 3.) (1) Specified by design. Not 100% tested in production. 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): bq29440 bq2944L0 bq29449 bq2944L9 |
Similar Part No. - BQ2944L9 |
|
Similar Description - BQ2944L9 |
|
|
|
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
