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BQ29443 Datasheet(PDF) 4 Page - Texas Instruments |
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BQ29443 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 17 page  bq29440, bq2944L0 bq29441, bq29442, bq29443, bq29449, bq2944L9 SLUSA15C – JUNE 2010 – REVISED NOVEMBER 2010 www.ti.com RECOMMENDED OPERATING CONDITIONS (continued) MIN NOM MAX UNIT Voltage monitor filter capacitance CIN (See Figure 7.) 0.01 0.1 µF Supply voltage filter resistance RVD (See Figure 7.) 0.1 1 k Ω Supply voltage filter capacitance CVD (See Figure 7.) 0.1 µF Operating ambient temperature range, TA –40 110 °C 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 bq29440 4.35 bq29441 4.40 Overvoltage VPROTECT detection bq29442 4.45 V voltage bq29443 4.50 bq29449 4.30 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 mV/°C temperature drift TA = –40°C to 110°C –0.6 0.6 TA = 0°C to 60°C 6.0 9.0 12 Note: Does not include external capacitor variation Overvoltage delay time XDELAY s/µF scale factor TA = –40°C to 110°C 5.5 9.0 13.5 Note: Does not include external capacitor variation Overvoltage delay time XDELAY_CTM scale factor in See CUSTOMER TEST MODE. 0.08 s/µF Customer 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) and (VC4–GND) = 3.5 V ICC Supply current 2 3.5 µA See Figure 3. (VC1–VC2), (VC2–VC3), (VC3–VC4) or (VC4–GND) = VPROTECT, VDD = 20 V, 6.5 8.0 9.5 V IOH = 0 to –10 µA (VC1–VC2), (VC2–VC3), (VC3–VC4) or (VC4–GND) = VPROTECT, VDD = 4.35 V, 1.50 3.0 V IOL = –10 µA, TA = 0°C to 60°C VOUT OUT pin drive voltage (VC1–VC2), (VC2–VC3), (VC3–VC4) or (VC4–GND) = VPROTECT, VDD > 6 V, 2.0 3.0 V IOH = –10 µA, TA = 0°C to 60°C (VC1–VC2), (VC2–VC3), (VC3–VC4) or 0.1 V (VC4–GND) = 4 V, IOL = 0 µA OUT short circuit OUT = 0 V, (VC1–VC2), (VC2–VC3), (VC3–VC4) or IOUT(SHORT) 4 mA current (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 (1) Specified by design. Not 100% tested in production. 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): bq29440 bq2944L0 bq29441 bq29442 bq29443 bq29449 bq2944L9 |
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