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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The most common method to drive DC motors in two directions under control of a datxsheet is with an H-bridge motor driver. Limited Engineering samples available Preview: So then you do not need to use a more complicated way of connecting them. Support Home Complete list and gateway to support services and resource pools.

H-bridges can be built from scratch with bi-polar junction transistors BJT or with field effect transistors FETor can be purchased as an integrated unit in a single integrated circuit package such as the L I don’t understand the schematics in the pdf. Note that the names for pin functions may be slightly different than what is shown in the following diagrams. Data sheet PDF fileKb.


The LB and LE are package in 16 and pin plastic DIPs respectively ; both use the four center pins to conduct heat to the printed circuit board.

I did link these Shottky diodes: Product is in design feasibility stage. If you need to datashet 1 direction, you can do so with 1 half bridge. No commitment taken to design or produce NRND: But sometimes you just don’t have a need for a motor to run in 2 directions.

A more recent, improved specification, pin-for-pin compatible chip is recommended for new designs: 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. The L dataseet 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. I mentioned fast diodes, as a lot of people building stuff like this aren’t aware of their existence and purposes.

The L comes in a standard pin, dual-in line integrated circuit package.


Selectors Simulators and Models. Both will need external diodes.

LB Datasheet(PDF) – STMicroelectronics

Cloud Components and Modules. L no D is comparable to LB. I need to control 2 motors and I want to use the 1 amp capable H bridge.

So you need to know what motor you are going to use before l293g are designing your electronics.

Push-pull Four Channel Drivers

Not Recommended for New Design. If it gets too hot to touch, you can’t use it with your motor. No availability reported, please contact our Sales office. The LB and LE are quad push-pull drivers capable of delivering output currents to 1A per channel. Now, how do I power a L? The L consists of 4 half bridges. As far as I know the LD is rated as 0. MAS3 on May 05, The L is simplest and inexpensive for low current motors, For high current motors, it is less expensive to build your own H-bridge from scratch.

Product is in volume production Evaluation: Free Sample Add to cart.