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DRV8812RHDT Datasheet(PDF) 6 Page - Texas Instruments |
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DRV8812RHDT Datasheet(HTML) 6 Page - Texas Instruments |
6 / 22 page DRV8812 SLVS997F – OCTOBER 2009 – REVISED AUGUST 2013 www.ti.com 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 IOUT = 0 to 1 mA, VM = 24 V, TJ = 25°C 3.18 3.30 3.42 V3P3 V3P3OUT voltage V IOUT = 0 to 1 mA 3.10 3.30 3.50 LOGIC-LEVEL INPUTS VIL Input low voltage 0.6 0.7 V VIH Input high voltage 2 5.25 V VHYS Input hysteresis 0.45 V IIL Input low current VIN = 0 –20 20 μA IIH Input high current VIN = 3.3 V 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 mode 0 0.8 V VIH Input high threshold voltage For fast decay mode 2 V IIN Input current ±40 µA H-BRIDGE FETS VM = 24 V, I O = 1 A, TJ = 25°C 0.63 RDS(ON) HS FET on resistance Ω VM = 24 V, IO = 1 A, TJ = 85°C 0.76 0.90 VM = 24 V, IO = 1 A, TJ = 25°C 0.65 RDS(ON) LS FET on resistance Ω VM = 24 V, IO = 1 A, TJ = 85°C 0.78 0.90 IOFF Off-state leakage current –20 20 μA MOTOR DRIVER fPWM Internal PWM frequency 50 kHz tBLANK Current sense blanking time 3.75 μs tR Rise time VM = 24 V 100 360 ns tF Fall time VM = 24 V 80 250 ns tDEAD Dead time 400 ns tDEG Input deglitch time 1.3 2.9 µs PROTECTION CIRCUITS IOCP Overcurrent protection trip level 1.8 5 A tTSD Thermal shutdown temperature Die temperature 150 160 180 °C CURRENT CONTROL IREF xVREF input current xVREF = 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 © 2009–2013, Texas Instruments Incorporated Product Folder Links: DRV8812 |
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