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The LB11981-TLM-E-ON is a three-phase sensorless motor driver integrated circuit manufactured by onsemi. It is designed for efficient control of three-phase motors in power management applications. The component belongs to the motor drivers and controllers category within PMICs. It utilizes a PWM structure pre-driver architecture. The device is currently marked as obsolete with an end-of-life status, indicating that the manufacturer will discontinue production.
This component is officially classified as obsolete by onsemi. Procurement should account for potential supply chain limitations due to discontinuation. Verify final availability through authorized distributors. Ensure compatibility with existing designs before sourcing, as replacement components may require design adjustments. Confirm package and pinout specifications against current project requirements.
Select this component only if legacy system maintenance requires the specific LB11981 functionality. Consider alternative active parts from onsemi or competitors for new designs. Evaluate thermal performance and voltage ratings against application needs. Review datasheet electrical characteristics for operating range compliance. Assess long-term supply stability given the obsolete status.
The LB11981-TLM-E-ON falls under onsemi's intelligent power and sensing technologies portfolio. It addresses automotive and industrial motor control needs. The part is categorized under body electronics and advanced driver assistance systems solutions. It represents older generation technology compared to current GaN or SiC offerings. The TLM-E suffix indicates the specific package and tape-and-reel configuration.
Publicly confirmed substitute part numbers are not available in the provided documentation. Users must consult onsemi technical support for recommended obsolescence replacements. Cross-reference with similar three-phase sensorless drivers from other manufacturers if necessary.