LA6575H-TLM-E

Overview

The LA6575H-TLM-E is a monolithic integrated circuit designed for driving brushless DC motors. It integrates high-voltage power MOSFETs and control logic on a single chip, eliminating the need for external commutation circuits. The device supports three-phase motor operation with built-in dead-time generation to prevent shoot-through currents. Key electrical characteristics include a supply voltage range of 4.5V to 30V and an output current capability suitable for small to medium-sized motors. The component features thermal shutdown protection and over-current detection mechanisms to ensure reliable operation under varying load conditions.

Feature Summary

• Integrates high-voltage power MOSFETs and control logic for simplified design
• Built-in dead-time generation prevents shoot-through in power stages
• Includes thermal shutdown and over-current protection for enhanced reliability

Applications

• Brushless DC motor drives in home appliances
• Fan control systems in office equipment
• Small motor applications in industrial automation

Procurement Notes

Verify the exact part number suffix against manufacturer documentation to confirm package type and temperature grade. Ensure that the ordering information matches the specific variant required for your application, as minor suffix differences may indicate variations in packaging or testing standards. Cross-reference with official datasheets to confirm pin compatibility and electrical specifications before procurement.

Selection Notes

Select this component when designing compact brushless DC motor drivers requiring integrated power switching and control logic. Consider its voltage range and current capabilities relative to the motor specifications. Evaluate the thermal performance requirements based on the expected operating environment and load profile to ensure adequate heat dissipation within the TSSOP-B18 package.

Part Context

This part belongs to onsemi's family of brushless DC motor driver ICs. It is engineered for applications requiring efficient and reliable motor control without complex external circuitry. The integration of power MOSFETs and control logic reduces board space and component count compared to discrete solutions.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameter equivalence before replacing the original component with any suggested substitute part numbers.