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DRV8821DCAR 数据表(PDF) 1 Page - Texas Instruments |
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DRV8821DCAR 数据表(HTML) 1 Page - Texas Instruments |
1 / 32 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8821 SLVS912J – JANUARY 2009 – REVISED JANUARY 2016 DRV8821 Dual Stepper Motor Controller and Driver 1 Features 3 Description The DRV8821 provides a dual microstepping-capable 1 • Dual PWM Microstepping Motor Driver stepper motor controller/driver solution for printers, – Built-In Microstepping Indexers scanners, and other office automation equipment – Up to 1.5-A Current Per Winding applications. – Three-Bit Winding Current Control Allows up to Two independent stepper motor driver circuits include Eight Current Levels four H-bridge drivers and microstepping-capable indexer logic. Each of the motor driver blocks employ – Low MOSFET On-Resistance N-channel power MOSFETs configured as an H- – Selectable Slow or Mixed Decay Modes bridge to drive the motor windings. • 8-V to 32-V Operating Supply Voltage Range A simple step/direction interface allows easy • Internal Charge Pump for Gate Drive interfacing to controller circuits. Pins allow • Built-in 3.3-V Reference configuration of the motor in full-step, half-step, • Simple Step/Direction Interface quarter-step, or eighth step modes, and the selection of slow or mixed decay modes. • Fully Protected Against Undervoltage, Overtemperature, and Overcurrent Internal shutdown functions are provided for over current protection, short-circuit protection, • Thermally-Enhanced Surface Mount Package undervoltage lockout, and overtemperature. 2 Applications The DRV8821 is packaged in a 48-pin HTSSOP package (Eco-friendly : RoHS & no Sb/Br). • Printers • Scanners Device Information(1) • Office Automation Machines PART NUMBER PACKAGE BODY SIZE (NOM) • Gaming Machines DRV8821 HTSSOP (48) 6.10 mm x 12.50 mm • Factory Automation (1) For all available packages, see the orderable addendum at the end of the datasheet. • Robotics Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
类似零件编号 - DRV8821DCAR |
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类似说明 - DRV8821DCAR |
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