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DRV8880PWP Datasheet(PDF) 8 Page - Texas Instruments |
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DRV8880PWP Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 48 page  DRV8880 SLVSD18A – JUNE 2015 – REVISED JULY 2015 www.ti.com Electrical Characteristics (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VM = 24 V, 50 Ω load from xOUTx to tRISE Output rise time 70 ns GND VM = 24 V, 50 Ω load from VM to tFALL Output fall time 70 ns xOUTx tDEAD Output dead time (2) 200 ns Vd Body diode forward voltage IOUT = 0.5 A 0.7 1 V PWM CURRENT CONTROL (VREF, AISEN, BISEN) TRQ at 100%, VREF = 3.3 V 500 TRQ at 75%, VREF = 3.3 V 375 VTRIP xISENSE trip voltage, full scale mV TRQ at 50%, VREF = 3.3 V 250 TRQ at 25%, VREF = 3.3 V 125 TRQ at 100% (TRQ0 = 0, TRQ1 = 0) 6.25 6.58 6.91 TRQ at 75% (TRQ0 = 1, TRQ1 = 0) 6.2 6.56 6.92 AV Amplifier attenuation V/V TRQ at 50% (TRQ0 = 0, TRQ1 = 1) 6.09 6.51 6.94 TRQ at 25% (TRQ0 = 1, TRQ1 = 1) 5.83 6.38 6.93 TOFF Logic Low 20 tOFF PWM off-time TOFF Logic High 30 μs TOFF Hi-Z 10 1.8 1.5 tBLANK PWM blanking time See Table 8 for details µs 1.2 0.9 PROTECTION CIRCUITS VM falling; UVLO2 report 5.8 6.4 VUVLO2 VM undervoltage lockout V VM rising; UVLO2 recovery 6.1 6.5 VM falling; logic disabled 4.5 4.9 VUVLO1 Logic undervoltage V VM rising; logic enabled 4.8 5 VUVLO,HYS undervoltage hysteresis Rising to falling threshold 100 mV VCP falling; CPUV report VM + 1.8 VCPUV Charge pump undervoltage V VCP rising; CPUV recovery VM + 1.9 VCPUV,HYS CP undervoltage hysteresis Rising to falling threshold 50 mV IOCP Overcurrent protection trip level Current through any FET 2.5 3.6 A VOCP Sense pin overcurrent trip level Voltage at AISEN or BISEN 0.9 1.25 V tOCP Overcurrent deglitch time 2 μs tRETRY Overcurrent retry time 0.5 2 ms TTSD (2) Thermal shutdown temperature Die temperature TJ 150 °C THYS (2) Thermal shutdown hysteresis Die temperature TJ 35 °C (2) Specified by design and characterization data 8 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: DRV8880 |
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