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BQ40Z50-R1 数据表(PDF) 13 Page - Texas Instruments |
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BQ40Z50-R1 数据表(HTML) 13 Page - Texas Instruments |
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13 / 55 page  bq40z50-R1 www.ti.com SLUSCB3 – JULY 2015 7.19 Electrical Characteristics: PCHG FET Drive Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC = 2.2 V to 26 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Output voltage, VPCHG(ON) = VVCC – VPCHG, 10 MΩ between VCC and V(FETON) 6 7 8 V PCHG on PCHG Output voltage, VPCHG(OFF) = VVCC – VPCHG, 10 MΩ between VCC and V(FETOFF) –0.4 0.4 V PCHG off PCHG VPCHG from 10% to 90% VPCHG(ON)(TYP), VVCC ≥ 8 V, CL = tR Rise time 4.7 nF between PCHG and VCC, 5.1 kΩ between PCHG 40 200 µs and CL, 10 MΩ between VCC and CHG VPCHG from 90% to 10% VPCHG(ON)(TYP), VCC ≥ 8 V, CL = tF Fall time 4.7 nF between PCHG and VCC, 5.1 kΩ between PCHG 40 200 µs and CL, 10 MΩ between VCC and CHG 7.20 Electrical Characteristics: FUSE Drive Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC = 2.2 V to 26 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VBAT ≥ 8 V, CL = 1 nF, IAFEFUSE = 0 µA 6 7 8.65 Output voltage VOH V high VBAT < 8 V, CL = 1 nF, IAFEFUSE = 0 µA VBAT – 0.1 VBAT VIH High-level input 1.5 2.0 2.5 V Internal pullup IAFEFUSE(PU) VBAT ≥ 8 V, VAFEFUSE = VSS 150 330 nA current RAFEFUSE Output impedance 2 2.6 3.2 k Ω CIN Input capacitance 5 pF Fuse trip detection tDELAY 128 256 µs delay Fuse output rise tRISE VBAT ≥ 8 V, CL = 1 nF, VOH = 0 V to 5 V 5 20 µs time 7.21 Electrical Characteristics: Internal Temperature Sensor Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC = 2.2 V to 26 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Internal VTEMPP –1.9 –2.0 –2.1 temperature VTEMP mV/°C sensor voltage VTEMPP – VTEMPN, assured by design 0.177 0.178 0.179 drift 7.22 Electrical Characteristics: TS1, TS2, TS3, TS4 Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC = 2.2 V to 26 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TS1, TS2, TS3, TS4, VBIAS = VREF1 –0.2 0.8 x VREF1 Input voltage VIN V range TS1, TS2, TS3, TS4, VBIAS = VREG –0.2 0.8 x VREG Internal pullup RNTC(PU) TS1, TS2, TS3, TS4 14.4 18 21.6 k Ω resistance Resistance drift RNTC(DRIFT) over TS1, TS2, TS3, TS4 –360 –280 –200 PPM/°C temperature Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 13 Product Folder Links: bq40z50-R1 |
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