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

Computers and Peripherals Data Center. There is an L and an LD part number. If you want to control a stepper motor, you need a full bridge per coil pair. Most hobby setups with steppers will require 2 full bridges, so one entire L, which will probably be the reason for the datashewt of this package except for the hobby part, very few hardware is produced just for hobbyists.

Each motor takes 3 Arduino pins. Menu Products Explore our product portfolio.


Limited Engineering samples available Preview: The PDF shows multiple options in 1 schematic. Did you connect the grounds? 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: No, they datasgeet not fast diodes.

See notes below for a two Arduino pin solution. Product is in volume production only to support customers ongoing production. Product is in design feasibility stage. Additionally, the LE has external connection of sensing resistors, for switchmode control. If it gets too hot to touch, you can’t use it with your motor.

LB Datasheet(PDF) – STMicroelectronics

Product is in volume production 1. Have a look at “blink without delay”. Communications Equipment, Computers and Peripherals. Each channel is controlled by a TTL-compatible logic input and each pair of drivers a full bridge is equipped with an inhibit input which turns off all four transistors.

Hook up the circuit and run your motor while keeping your finger on the chip. L no D is comparable to LB. Product is under characterization. Product is in design stage Target: Yes, pulse width on enable pin can control speed. There are motors available that are made to rotate in a specific direction most of those also have a gear attached.


I mentioned fast diodes, as a lot of people building stuff like this aren’t aware of their existence and purposes.

Adtasheet 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. Unsure about whether the L will work with your motor? General terms and conditions.

Note that the names for pin functions may be slightly different than what is shown in the following diagrams. Fast diodes like the 1N or the 1N?

Push-pull Four Channel Drivers

If you are only using one motor, leave L pins 9, 10, 11, 12, 13, 14, and 15 empty. MAS3 on May 05, Support Home Complete list and gateway to support services and resource pools.

You need to drive dataaheet wires to the motor, so you need two drivers.