LB Push-pull Four Channel Drivers. OUTPUT CURRENT 1A PER CHANNEL PEAK OUTPUT CURRENT 2A PER CHANNEL (non repetitive) INHIBIT. 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. An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters .

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There are motors available that are made to rotate in a specific direction most of those also have a gear attached. But sometimes you just don’t have a need for a motor to run in 2 directions.

LB – Push-Pull Four Channel Drivers – STMicroelectronics

Ratasheet is in design stage Target: Selectors Simulators and Models. Pick the “D” version because it has built in flyback diodes to minimize inductive voltage spikes.

The LB can handle 1 amp per motor but the pins seem to differ, or the way the motors must be connected seems not to be the same: So then you do not need to use a more complicated way of connecting them. Product is in volume production only to support customers ongoing production. Most hobby setups with steppers will require 2 full bridges, so one entire L, which will probably be the reason for the existence of this package except for the hobby part, very few hardware is produced just for hobbyists.


The motor on the left can be driven to run both clockwise or counterclockwise. I need to control 2 motors and I want to use the 1 amp capable H bridge. The PDF shows multiple options in 1 schematic.

Fast diodes like the 1N or the 1N? Have a look at “blink without delay”.

Push-pull Four Channel Drivers

You might find out this driver isn’t the best choice for your motor type, or maybe it is. Support Home Complete list and gateway to support services and resource pools. Unsure about whether the L239b will work with your motor? Now with Unlimited Eagle board sizes!

Note that the names for pin functions may be slightly different than what is shown in the following diagrams. Free Sample Add to cart. The L comes in a standard pin, dual-in line integrated circuit package. Both datazheet need external diodes.

No, they are not fast diodes. Communications Equipment, Computers and Peripherals. Data sheet PDF fileKb. Support Home Video Center. Push-pull four channel drivers. The generic 1n diodes aren’t fast and as raschemmel pointed out will probably not withstand the currents. MarkT Brattain Member Posts: 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.


Adtasheet need to drive both wires to the motor, so you need two drivers. Who We Are Management. The following schematic shows how to connect the L to your motor and the Arduino.

I did link these Shottky diodes: Product is under characterization. Each motor takes 3 Arduino pins. Did you connect the grounds?