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BQ294604 Datasheet(PDF) 5 Page - Texas Instruments |
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BQ294604 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 17 page bq294602, bq294604 www.ti.com SLUSAS0B – DECEMBER 2011 – REVISED MARCH 2012 DC CHARACTERISTICS Typical values stated where TA = 25°C and VDD = 4 V, MIN/MAX values stated where TA = –40°C to 110°C and VDD = 4 V (unless otherwise noted). Test Symbol Parameter Condition Min Typ Max Unit # Voltage Protection Threshold VCx 1.0 bq294602, fixed delay 4 s, V1 > VOV 4.35 V 1.1 bq294604, fixed delay 6.5 s, V1 > VOV 4.35 V V(PROTECT) – 1.2 VOV Overvoltage bq294622, fixed delay 4 s, V1 > VOV (1) 4.45 V Detection 1.3 bq294624, fixed delay 6.5 s, V1 > VOV (1) 4.45 V 1.4 bq294682, fixed delay 4 s, V1 > VOV (1) 4.225 V 1.5 bq294684, fixed delay 6.5 s, V1 > VOV (1) 4.225 V Overvoltage 1.6 VHYS Detection 250 300 400 V Hysteresis OV Detection 1.7 VOA TA = 25°C –10 10 mV Accuracy TA = –40°C –40 44 mV OV Detection TA = 0°C –20 20 mV 1.8 VOA –DRIFT Accuracy due to TA = 60°C –24 24 mV Temperature TA = 110°C –54 54 mV Supp ly and Leakage Current (V1–VSS) = 4.0 V (See Figure 9 for reference) 1 2 1.9 ICC Supply Current µA (V1–VSS) = 2.8 V with TA = –40°C to 60°C 1.25 Measured at V1 = 4.0 V Input Current at 1.10 IIN (V1–VSS) = 4.0 V –0.1 0.1 µA V1 Pins TA = 0°C to 60°C (See Figure 9 for reference.) Output Drive OUT 1.11 (V1–VSS) > VOV 3.0 VDD - 0.3 V VDD = V1, IOH = 100 µA, TA = –40°C to 110°C 1.12 Output Drive VOUT Voltage (V1–VSS) < VOV, IOL = 100 µA, TA = 25°C 1.13 250 400 mV TA = –40°C to 110°C OUT Short 1.14 IOUT(Short) OUT = 0 V, (V1–VSS) > VOV 1.5 3.0 mA Circuit Current Output Rise 1.15 tR CL = 1 nF, VOH(OUT) = 0 V to 5 V (2) 5 µs Time Output 1.16 ZO 2 5 k Ω Impedance Fixed Delay Timer Fixed Delay, bq2946x2 3.2 4 4.8 Fault Detection 1.17 tDELAY s Delay Time Fixed Delay, bq2946x4 5.2 6.5 7.8 Fault Detection 1.18 tDELAY_CTM Delay Time in Fixed delay (Internal settings) 15 ms Test Mode (1) Product Preview only (2) Specified by design. Not 100% tested in production. Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): bq294602 bq294604 |
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