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DRV8812 数据表(PDF) 1 Page - Texas Instruments |
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DRV8812 数据表(HTML) 1 Page - Texas Instruments |
1 / 22 page DRV8812 www.ti.com SLVS997F – OCTOBER 2009 – REVISED AUGUST 2013 DUAL-BRIDGE MOTOR CONTROLLER IC Check for Samples: DRV8812 1 FEATURES APPLICATIONS 2 • Dual-H-Bridge Current-Control Motor Driver • Automatic Teller Machines – Capable of Driving a Bipolar Stepper or • Money Handling Machines Two DC Motors • Video Security Cameras – Two-Bit Winding Current Control Allows Up • Printers to Four Current Levels • Scanners – Low MOSFET On-Resistance • Office Automation Machines • 1.6-A Maximum Drive Current at 24 V, 25°C • Gaming Machines • Built-In 3.3-V Reference Output • Factory Automation • Industry-Standard Parallel Digital Control • Robotics Interface • 8-V to 45-V Operating Supply Voltage Range • Thermally Enhanced HTSSOP and QFN Surface Mount Packages DESCRIPTION The DRV8812 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers, and can drive a bipolar stepper motor or two DC motors. The output driver block for each consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8812 is capable of driving up to 1.6-A of output current (with proper heatsinking, at 24 V and 25°C). A simple parallel digital control interface is compatible with industry-standard devices. Decay mode is programmable. Internal shutdown functions are provided for over current protection, short circuit protection, under voltage lockout and overtemperature. The DRV8812 is available in a 28-pin HTSSOP package with PowerPAD™ and in a 28-pin QFN package PowerPAD™ (Eco-friendly: RoHS & no Sb/Br). ORDERING INFORMATION(1) ORDERABLE PART TOP-SIDE TA PACKAGE(2) NUMBER MARKING PowerPAD™ (HTSSOP) - PWP Reel of 2000 DRV8812PWPR –40°C to 85°C DRV8812 PowerPAD™ (QFN) - RHD Reel of 3000 DRV8812RHDR (1) For the most current packaging and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at www.ti.com. (2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2009–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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类似说明 - DRV8812 |
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