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bq28550DRZR Datasheet(PDF) 5 Page - Texas Instruments |
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bq28550DRZR Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 33 page  bq28550 www.ti.com SLUSAJ2 – SEPTEMBER 2011 BATTERY PROTECTION (continued) TA = –40 to +85ºC, VBAT =1.5 V to 5.5 V; Typical values stated, where TA = 25ºC and VBAT =3.6 V (unless otherwise noted) PARAMETER TEST CONDITION MIN NOM MAX UNIT VOH2 DOUT High Level IOH = 30 µA, VBAT = 4.0 V 3.4 3.7 V Output voltage (referenced to Vss) VDET1 Overcharge TA = 25˚C detection voltage 4.260 4.280 4.300 V detection TA = –10 to 60˚C 4.255 4.280 4.305 TA = –40 to 85˚C 4.230 4.280 4.330 VREL1 Overcharge release TA = 25˚C 4.070 4.100 4.130 V voltage TA = –10 to 60˚C 4.055 4.100 4.145 TA = –40 to 85˚C 4.040 4.100 4.160 tDET1 Overcharge VBAT = 3.5 V ≥ 4.5 V 0.60 1.00 1.50 s detection delay time tREL1 Overcharge release VBAT = 4.5 V ≥ 3.5 V 4.8 8.0 12.0 ms delay time VDET2 Over-discharge TA = 25 ˚C 2.265 2.300 2.335 V detection voltage TA = –10 to 60˚C 2.242 2.300 2.358 TA = –40 to 85˚C 2.220 2.300 2.380 tDET2 Over-discharge VBAT = 3.5 V ≥ 2.00 V 14.4 24.0 36.0 ms detection delay time tREL2 Over-discharge VBAT = 3 V 2.4 4.0 6.0 ms release delay time V_ = 3 V ≥ 0 V VDET3 Overcurrent VBAT = 4 V 0.130 0.150 0.170 V detection voltage on discharge VDET4 Overcurrent VBAT = 4 V –0.137 –0.112 –0.087 V detection voltage on charging tOCD Overcurrent VBAT = 3 V 7.2 12.0 18.0 ms detection delay time V_ = 0 V ≥ 1V tOCR Overcurrent release VBAT = 3 V 2.4 4.0 6.0 ms delay time V_ = 3 V ≥ 0 V VSHORT Short detection VBAT = 4 V, RPACKN = 510 Ω VBAT – 1.2 VBAT – 0.9 VBAT – V voltage 0.6 tSHORT Short detection VBAT = 3 V 200 400 800 µs delay time V_ = 0V ≥ 3 V VOLTAGE REGULATOR TA = –40 to +85ºC, VBAT =1.5 V to 5.5 V; Typical values stated, where TA = 25ºC and VBAT =3.6 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VREG Output voltage 2.7 V < VBAT < 5.5 V, IOUT = 16 mA 2.45 2.50 2.55 V 2.45 V < VBAT < 2.7 V, IOUT = 3 mA 2.40 ΔVLINE Line regulation 2.7 V < VBAT < 5.5 V, IOUT = 16 mA 100 200 mV ΔVLOAD Load regulation VREG = 2.45 V, 100 µA < IOUT < 3 mA 30 50 mV VBAT = 2.7 V, 3 mA < IOUT < 16 mA 30 50 VDO Dropout voltage VBAT = 2.45 V, IOUT = 3 mA 30 50 mV VBAT = 2.7 V, IOUT = 16 mA 224 290 ΔVREG/ΔT Output voltage VBAT = 3.5 V, IOUT = 100 µA 100 ppm/ °C temperature coefficient ΔVLINE Current limit VBAT = 3.5 V, IREG = 2.0 V 16 130 mA VBAT = 3.5 V, IREG = 0 V 10 35 60 VOFF Regulator off voltage 7.0 8.0 9.0 V Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): bq28550 |
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