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Dual H Bridge Driver

Mon, 05/14/2007 - 11:43am

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Mesa_7I40web.jpgMesa Electronics introduced the 7I40 Dual H bridge driver for two brush type motors or other inductive loads. It is available in low voltage and high voltage models(7I40L and 7I40H). The 7I40L is rated at 10A 40V DC per axis while the 7I40H is rated at 7A 80V DC per axis. Each bridge has selectable overcurrent limits of .75 times and 1.5 times rated current. An overvoltage clamp protects it from inductive voltage surges, reducing the need for large motor supply capacitors. Low on resistance MOSFETs and high performance gate drivers give the 7I40 high efficiency and low dead time to support switching rates up to 100 KHz. Gate power is derived from logic side power so that unlike other bridges, the drivers are functional all the way down to 0V motor power supply, allowing safe and easy initial setup and testing. The 7I40 also includes encoder input conditioning. Encoder inputs can be either single ended or differential. Pricing is $98 in 100s.
Mesa Electronics
510-223-9272, www.mesanet.com www.mesanet.com 

 

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