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BQ28Z610-R1 数据表(PDF) 7 Page - Texas Instruments |
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BQ28Z610-R1 数据表(HTML) 7 Page - Texas Instruments |
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7 / 32 page  7 BQ28Z610-R1 www.ti.com SLUSE07 – JANUARY 2020 Product Folder Links: BQ28Z610-R1 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated Coulomb Counter (continued) Typical values stated where TA = 25ºC and VCC = 7.2 V, Min/Max values stated where TA = –40ºC to 85ºC and VCC = 2.2 V to 7.6 V (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNIT Integral nonlinearity 16-bit, Best fit over input voltage range ±5.2 ±22.3 LSB Offset error 16-bit, Post-calibration ±1.3 ±2.6 LSB Offset error drift 15-bit + sign, Post-calibration 0.04 0.07 LSB/°C Gain error 15-bit + sign, Over input voltage range ±131 ±492 LSB Gain error drift 15-bit + sign, Over input voltage range 4.3 9.8 LSB/°C Effective input resistance 2.5 MΩ 7.12 ADC Digital Filter Typical values stated where TA = 25ºC and VCC = 7.2 V, Min/Max values stated where TA = –40ºC to 85ºC and VCC = 2.2 V to 7.6 V (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNIT tCONV ADCTL[SPEED1, SPEED0] = 0, 0 31.25 ms ADCTL[SPEED1, SPEED0] = 0, 1 15.63 ADCTL[SPEED1, SPEED0] = 1, 0 7.81 ADCTL[SPEED1, SPEED0] = 1, 1 1.95 Resolution No missing codes, ADCTL[SPEED1, SPEED0] = 0, 0 16 Bits Effective resolution With sign, ADCTL[SPEED1, SPEED0] = 0, 0 14 15 Bits With sign, ADCTL[SPEED1, SPEED0] = 0, 1 13 14 With sign, ADCTL[SPEED1, SPEED0] = 1, 0 11 12 With sign, ADCTL[SPEED1, SPEED0] = 1, 1 9 10 7.13 ADC Multiplexer Typical values stated where TA = 25ºC and VCC = 7.2 V, Min/Max values stated where TA = –40ºC to 85ºC and VCC = 2.2 V to 7.6 V (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNIT K Scaling factor VC1–VSS, VC2–VC1 0.1980 0.2000 0.2020 — VC2–VSS, PACK–VSS 0.0485 0.050 0.051 VREF1/2 0.490 0.500 0.510 VIN Input voltage range VC2–VSS, PACK–VSS –0.2 20 V TS1 –0.2 0.8 × VREF1 TS1 –0.2 0.8 × VREG ILKG Input leakage current VC1, VC2 cell balancing off, cell detach detection off, ADC multiplexer off 1 µA 7.14 Cell Balancing Support Typical values stated where TA = 25ºC and VCC = 7.2 V, Min/Max values stated where TA = –40ºC to 85ºC and VCC = 2.2 V to 7.6 V (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNIT RCB Internal cell balance resistance RDS(ON) for internal FET switch at 2 V < VDS < 4 V 200 Ω |
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