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DRV8814 Datasheet(PDF) 6 Page - Texas Instruments |
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DRV8814 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 26 page  DRV8814 SLVSAB9E – MAY 2010 – REVISED NOVEMBER 2015 www.ti.com 6.5 Electrical Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER SUPPLIES IVM VM operating supply current VM = 24 V, fPWM 50 kHz 5 8 mA IVMQ VM sleep mode supply current VM = 24 V 10 20 μA VUVLO VM undervoltage lockout voltage VM rising 7.8 8.2 V V3P3OUT REGULATOR V3P3 V3P3OUT voltage IOUT = 0 to 1 mA 3.2 3.3 3.4 V LOGIC-LEVEL INPUTS VIL Input low voltage 0.6 0.7 V VIH Input high voltage 2 5.25 V VHYS Input hysteresis 0.3 0.45 0.6 V IIL Input low current VIN = 0 –20 20 μA IIH Input high current VIN = 3.3 V 33 100 μA nFAULT OUTPUT (OPEN-DRAIN OUTPUT) VOL Output low voltage IO = 5 mA 0.5 V IOH Output high leakage current VO = 3.3 V 1 μA DECAY INPUT VIL Input low threshold voltage For slow decay (brake) mode 0 0.8 V VIH Input high threshold voltage For fast decay (coast) mode 2 V IIN Input current VIN = 0 V to 3.3 V ±40 μA H-BRIDGE FETS VM = 24 V, IO = 1 A, TJ = 25°C 0.2 RDS(ON) HS FET on resistance Ω VM = 24 V, IO = 1 A, TJ = 85°C 0.25 0.32 VM = 24 V, IO = 1 A, TJ = 25°C 0.2 RDS(ON) LS FET on resistance Ω VM = 24 V, IO = 1 A, TJ = 85°C 0.25 0.32 IOFF Off-state leakage current –20 20 μA MOTOR DRIVER fPWM Internal current control PWM frequency 50 kHz tBLANK Current sense blanking time 3.75 μs tR Rise time 50 300 ns tF Fall time 50 300 ns PROTECTION CIRCUITS IOCP Overcurrent protection trip level 3 A tTSD Thermal shutdown temperature Die temperature 150 160 180 °C CURRENT CONTROL IREF VREF input current VREF = 3.3 V –3 3 μA xVREF = 3.3 V, 100% current setting 635 660 685 VTRIP xISENSE trip voltage xVREF = 3.3 V, 71% current setting 445 469 492 mV xVREF = 3.3 V, 38% current setting 225 251 276 AISENSE Current sense amplifier gain Reference only 5 V/V 6 Submit Documentation Feedback Copyright © 2010–2015, Texas Instruments Incorporated Product Folder Links: DRV8814 |
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