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DRV8824QPWPRQ1 Datasheet(PDF) 4 Page - Texas Instruments |
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DRV8824QPWPRQ1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 30 page DRV8824-Q1 SLVSCH0 – APRIL 2014 www.ti.com Terminal Functions (continued) EXTERNAL COMPONENTS NAME TERMINAL I/O DESCRIPTION OR CONNECTIONS OUTPUT ISENA 6 IO Bridge A ground / Isense Connect to current sense resistor for bridge A. ISENB 9 IO Bridge B ground / Isense Connect to current sense resistor for bridge B. AOUT1 5 O Bridge A output 1 Connect to bipolar stepper motor winding A. Positive current is AOUT1 → AOUT2 AOUT2 7 O Bridge A output 2 BOUT1 10 O Bridge B output 1 Connect to bipolar stepper motor winding B. Positive current is BOUT1 → BOUT2 BOUT2 8 O Bridge B output 2 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) (2) VALUE UNIT VMx Power supply voltage range –0.3 to 47 V Digital terminal voltage range –0.5 to 7 V VREF Input voltage –0.3 to 4 V ISENSEx terminal voltage –0.3 to 0.8 V Peak motor drive output current, t < 1 μS Internally limited A Continuous motor drive output current(3) 1.6 A Continuous total power dissipation See Thermal Information table TJ Operating virtual junction temperature range –40 to 150 °C (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute maximum rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to network ground terminal. (3) Power dissipation and thermal limits must be observed. 7.2 Handling Ratings MIN MAX UNIT Tstg Storage temperature range –60 150 °C HBD (human body model), AEC-Q100 Classification H2 2000 VESD V CDM (charged device model), AEC-Q100 Classification C4B 750 7.3 Recommended Operating Conditions MIN NOM MAX UNIT VM Motor power supply voltage(1) 8.2 45 V VREF VREF input voltage(2) 1 3.5 V IV3P3 V3P3OUT load current 1 mA (1) All VM terminals must be connected to the same supply voltage. (2) Operational at VREF between 0 V and 1 V, but accuracy is degraded. 4 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated |
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