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Transcript
LMD18200 55V, 3A Motor Driver LMD18200 55V, 3A Motor Driver May 2010 www.nex-robotics.com 1 LMD18200 55V, 3A Motor Driver LMD18200 55V, 3A Motor Driver Introduction The LMD18200 is a 55V, 3A Motor Driver designed for motion control applications. It can handle peak current up to 6A. It also gives out current sensing output. It gives out thermal warning signal at 1450C and shuts down the device at 1700C. Motor controller has LED indicators for Power, Direction, Brake, PWM. Specifications • • • • • • • • • • • Delivers up to 3A continuous output Operates at supply voltages up to 55V TTL and CMOS compatible inputs No “shoot-through” current Thermal warning flag output at 145°C Thermal shutdown (outputs off) at 170°C Internal clamp diodes Shorted load protection Internal charge pump with external bootstrap capability Board has Direction, PWM, Power, Brake indication LEDs Board has 20 Pins Box Header for External Interface. www.nex-robotics.com 2 LMD18200 55V, 3A Motor Driver Parameters: Parameter Range Vcc (Supply voltage) Supply current PWM frequency Up to 55V DC 3A. continuous at 250C, 6A. peak 0 to 10KHz Table 1: Parameters Logic input Connector Pin Functionality: Pin No. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10 Pin Functionality Vcc OP1 DIR BRK PWM GND CS TF NC OP2 Input supply up to 55VDC Motor output 1 Direction input Brake input PWM input Ground Current Sense output: 0.7414V per Amp Active low thermal flag output Motor output 2 Table 2: Logic Input Connector Pin Functionality Current sensing LMD18200 gives out 337uA per Amp. current. Motor driver board has 2.2K ohm resistor connected between current sensing output and ground. Because of which LMD 18200 will give 0.7414V per Amp. (2.2K * 337uA). www.nex-robotics.com 3 LMD18200 55V, 3A Motor Driver PWM H H L H H L www.nex-robotics.com DIR H L X H L X BRAKE Active Output Drivers L Source 1, Sink2 L Sink 1, Source 2 L Source1, Source 2 H Source1, Source 2 H Sink1, Sink2 H None Table 3: Logic Truth Table 4 LMD18200 55V, 3A Motor Driver Notice The contents of this manual are subject to change without notice. All efforts have been made to ensure the accuracy of contents in this manual. However, should any errors be detected, NEX Robotics welcomes your corrections. You can send us your queries / suggestions at [email protected] Content of this manual is released under the Creative Commence cc by-nc-sa license. For legal information refer to: http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode Product’s electronics is static sensitive. Use the product in static free environment. Read the user manuals completely before start using this product Recycling: Almost all the part of this product are recyclable. Please send this product to the recycling plant after its operational life. By recycling we can contribute to cleaner and healthier environment for the future generations. www.nex-robotics.com 5