LB1843V-TLM-E

Full Half-Bridge (H Bridge) Drivers Overview

The LB1843V-TLM-E is a single-channel brushed DC motor driver manufactured by onsemi. It operates within a supply voltage range of 3.0 V to 9.0 V and supports a maximum output current of 0.8 A. The device utilizes a surface-mount SSOP-20 package and functions as a half-bridge driver with bidirectional control capabilities. It incorporates internal output current limitation and detection features for protection. The component is designed for low-saturation operation and is classified under motor controllers and drivers.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Bidirectional motor control capability
• Integrated output current limitation and detection
• Low-saturation current-controlled design

Full Half-Bridge (H Bridge) Drivers Applications

• Brushed DC motor control systems
• Small appliance drive circuits
• Industrial motion control modules

Full Half-Bridge (H Bridge) Drivers Procurement Notes

This component is officially discontinued and no longer manufactured by onsemi. Availability is restricted to surplus or secondary market channels. Verify the authenticity of the source and check for potential End-of-Life (EOL) notices before procurement. Ensure that any substitute components meet the original electrical specifications and pinout requirements for seamless integration into existing designs.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this part only if legacy compatibility is required, as it is obsolete. For new designs, evaluate recommended substitutes such as the TC78H621FNG. Confirm that the replacement offers equivalent voltage ranges, current handling, and package dimensions. Review the datasheet of the alternative component to ensure feature parity regarding current limiting and bidirectional control mechanisms.

Full Half-Bridge (H Bridge) Drivers Part Context

The LB1843V-TLM-E belongs to onsemi's line of motor drivers, specifically designed for low-voltage brushed DC applications. It is part of a family of half-bridge drivers that emphasize current control and protection. The device is housed in an SSOP-20 package, suitable for surface-mount assembly. It serves as a specialized solution for precise motor speed and direction control in compact electronic systems.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

The TC78H621FNG is listed as a manufacturer-recommended substitute. Verify functional equivalence regarding voltage range, current capacity, and interface signals. Ensure the replacement package matches the footprint or allows for necessary adapter modifications.