LB1868M-TLM-H

Full Half-Bridge (H Bridge) Drivers Overview

The LB1868M-TLM-H is a two-phase unipolar brushless DC motor driver manufactured by onsemi. It operates within a supply voltage range of 4V to 16V and features an integrated half-bridge output configuration with a maximum output current of 1A per channel. The device supports parallel and PWM interfaces for speed control and includes built-in lockup protection with automatic recovery mechanisms. It is housed in a 20-SSOP package and functions reliably across an operating temperature range of -30°C to 95°C.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrated two-phase unipolar brushless motor driver architecture
• Built-in lockup protection with automatic recovery functionality
• Supports parallel and PWM input interfaces for speed regulation

Full Half-Bridge (H Bridge) Drivers Applications

• Fan controller systems
• Unipolar brushless DC motor applications
• Small appliance motor drives

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify component authenticity through authorized onsemi distributors or certified agents. Confirm the specific suffix 'TLM-H' matches project requirements, as packaging and tape specifications may vary. Check for End-of-Life (EOL) status or Last Time Buy notifications directly from the manufacturer before finalizing procurement plans to ensure long-term supply stability.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component for designs requiring a dedicated two-phase BLDC driver with integrated protection features. Ensure the application voltage remains within the 4V to 16V range and that thermal management accommodates the specified operating temperature limits. Verify that the 20-SSOP package footprint aligns with the PCB layout constraints and that the 1A output current meets the load requirements.

Full Half-Bridge (H Bridge) Drivers Part Context

This part belongs to the LB11868V/LB1868 series of motor controllers from onsemi, designed for standard bipolar technology. It falls under the Motor / Motion / Ignition Controllers & Drivers category within Power Management ICs. The device is specifically engineered for driving unipolar brushless motors, offering a compact solution compared to discrete half-bridge implementations.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult onsemi technical support for direct replacements or evaluate alternative two-phase BLDC drivers with compatible voltage and current ratings if this component is discontinued.