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DRV10974 датащи(PDF) 6 Page - Texas Instruments |
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DRV10974 датащи(HTML) 6 Page - Texas Instruments |
6 / 29 page 6 DRV10974 SLVSDN2 – JANUARY 2018 www.ti.com Product Folder Links: DRV10974 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Electrical Characteristics (continued) TA = –40℃ to 85℃ (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT LIMIT ILIMIT Current-limit threshold VCC = 12 V, R(CS) = 7.32 kΩ ±1% 0.2 A VCC = 12 V, R(CS) = 16.2 kΩ ±1% 0.4 VCC = 12 V, R(CS) = 25.5 kΩ ±1% 0.6 VCC = 12 V, R(CS) = 38.3 kΩ ±1% 0.8 VCC = 12 V, R(CS) = 54.9 kΩ ±1% 1 VCC = 12 V, R(CS) = 80.6 kΩ ±1% 1.2 VCC = 12 V, R(CS) = 115 kΩ ±1% 1.4 VCC = 12 V, R(CS) = 182 kΩ ±1%, open loop and closed loop 1.6 VCC = 12 V, R(CS) = 182 kΩ ±1%, align 1.5 RANGE OF MOTORS SUPPORTED Rm Motor resistance measurement Phase to center tap 1 20 Ω Kt Motor BEMF constant measurement Phase to center tap 5 150 mV/Hz tALIGN Motor align time 0.67 s PWM - DIGITAL MODE VIH(DIG) PWM input high voltage 2.2 V VIL(DIG) PWM input low voltage 0.6 V ƒPWM PWM input frequency 0.1 100 kHz DCMAX Maximum output PWM duty cycle VVCC < 14 V 100% VVCC ≥ 14 V 14 / VVCC × 100% DCMIN Minimum output PWM duty cycle device needs to guarantee (irrespective of input PWM DC) Lower duty cycle from 15% down 15% VIH(AUTO) PWM input high voltage for auto detection 1.695 V VIL(AUTO) PWM input low voltage for exiting PWM mode 1.39 V Rpu(PWM) Internal PWM pullup resistor to V3P3 100 kΩ LOW-POWER MODE t(EX_LPM) PWM pulse duration to exit low-power mode PWM > VIH(DIG) 1 µs V(EX_LPM) PWM voltage to exit low-power mode 1.5 V t(EN_LPM) PWM low time to enter low-power mode PWM < VIL(DIG);motor stationary 25 ms PWM - ANALOG MODE VANA_FS Analog full-speed voltage 1.8 V VANA_ZS Analog zero-speed voltage 20 mV Rout(PWM) External analog driver output impedance 50 k Ω tSAM Analog speed sample period 320 µs VANA_RES Analog voltage resolution 3.5 mV DIGITAL I/O (FG OUTPUT, FR INPUT) VIH(FR) Input high 2.2 V VIL(FR) Input low 0.6 V I(FG_SINK) Output sink current, FG VO = 0.3 V 5 mA Rpu(FG) Internal FG pullup resistor to 3.3V 20 kΩ Rpd(FR) Internal FR pulldown resistor to ground 100 kΩ |
Аналогичный номер детали - DRV10974 |
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Аналогичное описание - DRV10974 |
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