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BQ51014 Datasheet(PDF) 6 Page - Texas Instruments |
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BQ51014 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 45 page bq51013A bq51014 SLUSAY6A – MARCH 2012 – REVISED JUNE 2012 www.ti.com ELECTRICAL CHARACTERISTICS over operating free-air temperature range, 0°C to 125°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT UVLO Undervoltage lock-out VRECT: 0V → 3V 2.6 2.7 2.8 V Hysteresis on UVLO VRECT: 3V → 2V 250 mV VHYS Hysteresis on OVP VRECT: 16V → 5V 150 mV VRECT Input overvoltage threshold VRECT: 5V → 16V 14.5 15 15.5 V Dynamic VRECT Threshold 1 ILOAD < 0.1 x IILIM (ILOAD rising) 7.08 0.1 x IILIM < ILOAD < 0.2 x IILIM Dynamic VRECT Threshold 2 6.28 (ILOAD rising) VRECT-REG V 0.2 x IILIM < ILOAD < 0.4 x IILIM Dynamic VRECT Threshold 3 5.53 (ILOAD rising) Dynamic VRECT Threshold 4 ILOAD > 0.4 x IILIM (ILOAD rising) 5.11 ILOAD Hysteresis for dynamic VRECT ILOAD ILOAD falling 4% thresholds as a % of IILIM Rectifier undervoltage protection, restricts VRECT-DPM 3 3.1 3.2 V IOUT at VRECT-DPM Rectifier reverse voltage protection at the VRECT-REV = VOUT - VRECT, VRECT-REV 8 9 V output VOUT = 10V Quiescent Current ILOAD = 0 mA, 0°C ≤ TJ ≤ 85°C 8 10 mA Active chip quiescent current consumption IRECT ILOAD = 300 mA, 0°C ≤ TJ ≤ from RECT 2 3.0 mA 85°C Quiescent current at the output when IOUT VOUT = 5 V, 0°C ≤ TJ ≤ 85°C 20 35 µA wireless power is disabled (Standby) ILIM Short Circuit Highest value of ILIM resistor considered a RILIM: 200Ω → 50Ω. IOUT RILIM 120 Ω fault (short). Monitored for IOUT > 100 mA latches off, cycle power to reset Deglitch time transition from ILIM short to tDGL 1 ms IOUT disable ILIM-SHORT,OK enables the ILIM short comparator when IOUT is greater than this ILOAD: 0 → 20 0mA 120 145 165 mA ILIM_SC value Hysteresis for ILIM-SHORT,OK comparator ILOAD: 0 → 200 mA 30 mA Maximum ILOAD that will be IOUT Maximum output current limit, CL delivered for 1 ms when ILIM is 2.4 A shorted OUTPUT ILOAD = 1000 mA 4.85 4.95 5 VOUT-REG Regulated output voltage V ILOAD = 10 mA 4.95 5 5.05 RLIM = KILIM / IILIM, where IILIM is A Ω Current programming factor for hardware KILIM the hardware current limit. IOUT 280 300 320 short circuit protection = 1 A IIMAX = KIMAX / RLIM where IMAX A Ω Current programming factor for the nominal is the maximum normal KIMAX 230 250 270 operating current operating current. IOUT = 1 A IOUT Current limit programming range 1500 mA IOUT > 300 mA IOUT + 50 mA ICOMM Current limit during WPC communication IOUT < 300 mA 365 390 420 mA Hold off time for the communication current tHOLD 1 s limit during startup 6 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s): bq51013A bq51014 |
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