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DRV8847 数据表(PDF) 7 Page - Texas Instruments |
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DRV8847 数据表(HTML) 7 Page - Texas Instruments |
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7 / 55 page  7 DRV8847 www.ti.com SLVSE65 – JULY 2018 Product Folder Links: DRV8847 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Electrical Characteristics (continued) VVM = 2.7 to 18 V over operating ambient temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RDS(ON)_HS High-side MOSFET on resistance VVM = 2.7 V; IOUT = 0.5 A; TA = 25°C 690 800 mΩ VVM = 2.7 V; IOUT = 0.5 A; TA = 85°C 950 mΩ VVM = 5 V; IOUT = 0.5 A; TA = 25°C 530 620 mΩ VVM = 5 V; IOUT = 0.5 A; TA = 85°C 740 mΩ VVM = 12 V; IOUT = 0.5 A; TA = 25°C 520 600 mΩ VVM = 12 V; IOUT = 0.5 A; TA = 85°C 700 mΩ RDS(ON)_LS Low-side MOSFET on resistance VVM = 2.7 V; IOUT = 0.5 A; TA = 25°C 570 670 mΩ VVM = 2.7 V; IOUT = 0.5 A; TA = 85°C 900 mΩ VVM = 5 V; IOUT = 0.5 A; TA = 25°C 460 520 mΩ VVM = 5 V; IOUT = 0.5 A; TA = 85°C 690 mΩ VVM = 12 V; IOUT = 0.5 A; TA = 25°C 450 520 mΩ VVM = 12 V; IOUT = 0.5 A; TA = 85°C 680 mΩ IOFF Off-state leakage current VVM = 5 V; TJ = 25 °C; VOUT = 0 V -1 1 µA tRISE Output rise time VVM = 12 V; IOUT = 0.5 A 150 ns tFALL Output fall time VVM = 12 V, IOUT = 0.5 A 150 ns tDEAD Output dead time Internal dead time 200 ns VSD Body diode forward voltage IOUT = 0.5 A 1.1 V PWM CURRENT CONTROL (ISEN12, SEN34) VTRIP ISENxx trip voltage Torque at 100% (TRQ = 0) 135 150 165 mV Torque at 50% (TRQ = 1) 63.75 75 86.25 mV tBLANK Current sense blanking time 1.8 µs tOFF Current control constant off time 20 µs PROTECTION CIRCUITS VUVLO Supply undervoltage lockout Supply rising 2.7 V Supply falling 2.4 V VUVLO_HYS Supply undervoltage hysteresis Rising to falling theshold 50 mV tUVLO Supply undervoltage deglitch time VM falling; UVLO report 10 µs IOCP Overcurrent protection trip point 2 A tOCP Overcurrent protection deglitch time VVM = 12 V 3 µs tRETRY Overcurrent protection retry time 1 ms IOL Open load pull up and pull down current < 15 nF on OUTx Pin 200 µA VOL Open load detect threshold voltage 1 V TTSD Thermal shutdown temperature 150 160 180 °C THYS Thermal shutdown hysteresis 40 °C 6.6 I2C Timing Requirements MIN NOM MAX UNIT STANDARD MODE fSCL SCL Clock frequency 0 100 kHz tHD,STA Hold time (repeated) START condition. After this period, the first clock pulse is generated 4 µs tLOW LOW period of the SCL clock 4.7 µs tHIGH HIGH period of the SCL clock 4 µs tSU,STA Setup time for a repeated START condition 4.7 µs tHD,DAT Data hold time: For I2C bus devices 0 3.45 µs tSU,DAT Data set-up time 250 ns |
类似零件编号 - DRV8847_18 |
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类似说明 - DRV8847_18 |
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