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BQ29729DSER Datasheet(PDF) 7 Page - Texas Instruments |
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BQ29729DSER Datasheet(HTML) 7 Page - Texas Instruments |
7 / 31 page 0.000 0.005 0.010 0.015 0.020 0.025 0.030 0.035 0.040 0.045 0.050 ±40 ±20 0 20 40 60 80 100 120 Temperature ( ƒC) C001 0 1 2 3 4 5 6 ±40 ±20 0 20 40 60 80 100 120 Temperature ( ƒC) C002 7 bq2970, bq2971, bq2972, bq2973 www.ti.com SLUSBU9C – MARCH 2014 – REVISED MARCH 2016 Product Folder Links: bq2970 bq2971 bq2972 bq2973 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated Programmable Fault Detection Thresholds (continued) PARAMETER CONDITION MIN TYP MAX UNIT Release of VOCD Release of discharging overcurrent detection voltage Release when BAT – V– > 1 V 1 V VOCC Charging overcurrent detection voltage Factory Device Configuration: –45 mV to –155 mV in 5-mV steps TA = 25°C –10 10 mV TA = –40°C to 85°C –15 15 mV Release of VOCC Release of overcurrent detection voltage Release when VSS – V– ≥ OCC (min) 40 mV VSCC Short Circuit detection voltage Factory Device Configuration: 300 mV, 400 mV, 500 mV, 600 mV TA = 25°C –100 100 mV VSCCR Release of Short Circuit detection voltage Release when BAT – V– ≥ 1 V 1 V 7.7 Programmable Fault Detection Timer Ranges PARAMETER CONDITION MIN TYP MAX UNIT tOVPD Overcharge detection delay time Factory Device Configuration: 0.25 s, 1 s, 1.25 s, 4.5 s –20% 20% s tUVPD Over-discharge detection delay time Factory Device Configuration: 20 ms, 96 ms, 125 ms, 144 ms –20% 20% ms tOCDD Discharging overcurrent detection delay time Factory Device Configuration: 8 ms, 16 ms, 20 ms, 48 ms –20% 20% ms tOCCD Charging overcurrent detection delay time Factory Device Configuration: 4 ms, 6 ms, 8 ms, 16 ms –20% 20% ms tSCCD Short Circuit detection delay time 250 µs (fixed) –50% 50% µs 7.8 Typical Characteristics VBAT = 1.5 V Figure 1. 1.5-V IBAT Versus Temperature VBAT = 3.9 V Figure 2. 3.9-V IBAT Versus Temperature |
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