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BQ29401PW Datasheet(PDF) 3 Page - Texas Instruments |
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BQ29401PW Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page www.ti.com ELECTRICAL CHARACTERISTICS V1 V2 V3 V4 VC4 OUT VDD CD GND VC1 VC2 VC3 8 7 6 5 1 2 4 3 ICC IIN IIN IIN bq29400, bq29400A bq29401, bq29405 SLUS568C – JULY 2003 – REVISED SEPTEMBER 2005 over recommended operating free-air temperature range, T A = 25°C (unless otherwise noted) (1) PARAMETER TEST CONDITION MIN NOM MAX UNIT 25 35 V(OA) Over voltage detection accuracy mV TA = –20°C to 85°C 25 50 bq29400 4.35 bq2940A 4.40 Over voltage detection V(PROTECT) V voltage(1) bq29401 4.45 bq29405 4.65 Over voltage detection Vhys 300 mV hysteresis(1) V2, V3 , VC4 input = VC1–VC2 = VC2–VC3 = VC3–VC4 II Input current 0.3 µA = VC4–GND = 3.5 V tD1 Over voltage detection delay time CD = 0.22 µF 1.0 1.5 2.0 S I(CD_dis) CD GND clamp current CD = 1 V 5 12 µA VC1–VC2 = VC2–VC3 = VC3–VC4 = VC4–GND = 3.5 V 2.0 3.0 (see Figure 1) ICC Supply current µA VC1 = VC2 = VC3 = VC4 = VC3–VC4 = VC4–GND = 2.3 1.5 2.5 V (see Figure 1) VC1–VC2 = VC2–VC3 = VC3–VC4 = VC4–GND = 7 V V(PROTECT)MAX, VDD = VC1, IOH = 0 mA V(OUT) OUT pin drive voltage VC1=VC2=VC3=VC4=V(PROTECT)MAX, VDD=4.3V, 1.5 2.0 2.5 V TA= 0°C to 70°C, IOH = – 40µA OUT = 3V, VC1–VC2 = VC2–VC3 = VC3–VC4 = IOH High-level output current –1 mA VC4–GND = 4.7 V OUT = 0.1 V VC1–VC2 = VC2–VC3 = VC3–VC4 = IOL Low-level output current 5 µA VC4–GND = 3.5 V (1) Levels of the over-voltage detection and the hysteresis can be adjusted. For assistance contact Texas Instruments sales representative. Figure 1. ICC, IIN Measurement (TSSOP Package) Terminal Functions TERMINAL DESCRIPTION MSOP TSSOP NAME (DTC) (PW) 8 1 VC1 Sense voltage input for most positive cell 7 2 VC2 Sense voltage input for second most positive cell 6 3 VC3 Sense voltage input for third most positive cell 5 4 GND Ground pin 4 5 VC4 Sense voltage input for least positive cell 3 Not Recommended for New Designs: bq29400, bq29400A, bq29405 |
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