LB Push-pull Four Channel Drivers. OUTPUT CURRENT 1A PER CHANNEL PEAK OUTPUT CURRENT 2A PER CHANNEL (non repetitive) INHIBIT. An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters . One of the very common H-bridge ICs available in the market is LB or. LD It is always advised to go through the datasheet of the ICs before using them.

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Additionally, the LE has external connection of. Product is under characterization.

Board Copper Area which is Used as Heatsink. The generic 1n diodes aren’t fast and as raschemmel pointed out will probably not withstand the currents.

Push-pull Four Channel Drivers

Source Saturation Voltage versus. Low Voltage Input Current. Storage and Junction Dataxheet. The L comes in a standard pin, dual-in line integrated circuit package. The L is limited to mA, but in reality can only handle much small currents unless you have done some serious heat sinking to keep the case temperature down. The motors on the right can turn clockwise only. As you might see from this reply, there’s a multitude of motor types available, and they aren’t all to be powered the same way.


Saturation voltage versus Output. If you are only using one motor, leave L pins 9, 10, 11, 12, 13, 14, and 15 empty. Each motor takes 3 Arduino pins. Not Recommended for New Design. You need fast diodes for this, so the short circuit is reached before damage can be done to the transistors. Marketing proposal for customer feedback.

If you need to control 2 directions, you need a full bridge. I don’t understand the schematics in the pdf.

LB Datasheet, PDF – Alldatasheet

During soldering the pins temperature must not exceed ? They are internally connected to the ground substrate.

Bidirectional DC Motor Control. L no D is comparable to LB. The LB and LE are quad push-pull drivers capable of delivering output currents to 1A per channel. Product is in volume production only to support customers ongoing production.

Quiescent Logic Supply Current. Push-pull four channel drivers. Output Voltage versus Inhibit Voltage.

The following schematic shows how to connect the L to your motor and the Arduino. Product is in volume production. You might find out this driver isn’t the best choice for your motor type, or maybe it is.


I mentioned fast diodes, as a lot of people building stuff like this aren’t aware of their existence and purposes. I did link these Shottky diodes: Output Voltage versus Input Voltage. The L consists of 4 half bridges.

But sometimes you just don’t have a need for a motor to run in 2 directions. Support Home Video Center.