LB11668MC-AH

Full Half-Bridge (H Bridge) Drivers Overview

The LB11668MC-AH is a dual H-bridge motor driver integrated circuit manufactured by onsemi. It is designed to control DC motors and stepper motors with a peak output current capability of 1.5A per bridge. The device operates within a supply voltage range of 6.4V to 7V for logic and supports load voltages of 12V and 24V. It features a 14-pin MFPS surface-mount package and includes built-in protection mechanisms such as thermal shutdown and short-circuit protection. The component is specified for operation across an ambient temperature range of -30°C to 80°C.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Dual H-bridge configuration enabling bidirectional control of two DC motors or one bipolar stepper motor
• Integrated thermal shutdown and short-circuit protection for enhanced reliability
• Logic interface compatible with standard digital control signals
• Bipolar drive technology supporting versatile motor types

Full Half-Bridge (H Bridge) Drivers Applications

• DC motor control in industrial automation systems
• Stepper motor driving in general-purpose motion control applications
• Embedded motor management in consumer electronics devices

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix 'AH' against the manufacturer's latest datasheet to confirm pinout and electrical specifications, as suffixes often denote packaging or material variations. Confirm availability status, as this part number may be subject to end-of-life notices or replacement recommendations. Ensure the procurement source provides valid RoHS compliance documentation and original manufacturer authorization to guarantee component authenticity and traceability.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a compact solution for driving two low-power DC motors or a single bipolar stepper motor is required. It is suitable for applications operating at 12V or 24V loads where moderate current levels up to 1.5A are sufficient. Consider the 14-MFPS package size for PCB layout constraints. Evaluate alternative parts if higher current capacity or different voltage ranges are needed beyond the specified 6.4V to 7V logic supply.

Full Half-Bridge (H Bridge) Drivers Part Context

The LB11668MC-AH belongs to the LB1668 family of motor drivers from onsemi. This family focuses on providing efficient control for small to medium-sized motors in embedded systems. The device integrates power stages and control logic into a single chip, reducing external component count compared to discrete solutions. It represents a specialized segment of onsemi's power management portfolio aimed at precise motor actuation.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Public confirmed substitute part numbers include LB1668M-TLM-H and LB1668M-TLM-E. These alternatives share similar functional descriptions as two-phase unipolar brushless motor drivers. Verify compatibility regarding package dimensions and pin assignments before substitution.