L497D1

Power Management - Specialized Overview

The L497D1 is an integrated electronic ignition controller designed for breakerless ignition systems utilizing Hall effect sensors. Manufactured by STMicroelectronics, this component operates within a supply voltage range of 3V to 8.2V and supports an operating temperature range from -40°C to 125°C. It features automotive grade qualification and is housed in a 16-SOIC package with a width of 3.90mm. The device draws a supply current of 18mA and includes internal protection mechanisms suitable for harsh automotive environments.

Power Management - Specialized Feature Summary

• Integrated control logic for breakerless ignition systems using Hall effect sensors
• Automotive grade reliability for harsh environment operation
• Internal protection mechanisms against electrical transients

Power Management - Specialized Applications

• Breakerless ignition system control
• Hall effect sensor interface circuits
• Automotive engine management systems

Power Management - Specialized Procurement Notes

Verify the specific suffix and package variant when ordering, as availability may vary by region. Confirm automotive grade certification requirements with the supplier. Ensure the 16-SOIC footprint matches your PCB design. Check for RoHS compliance status if required by your manufacturing standards. Validate the operating temperature range against your specific application environment.

Power Management - Specialized Selection Notes

Select this component for applications requiring direct integration with Hall effect sensors in ignition systems. Consider the 16-SOIC package size for space-constrained designs. Evaluate the 18mA supply current against your power budget. Ensure compatibility with the 3V to 8.2V supply voltage range. Verify thermal performance within the -40°C to 125°C operating window.

Power Management - Specialized Part Context

The L497 series represents STMicroelectronics' line of ignition controllers. The L497D1 specifically targets modern automotive ignition systems replacing traditional mechanical points. It simplifies circuit design by integrating driver stages and control logic. This family is known for robustness in high-noise automotive electrical environments.

Power Management - Specialized Replacement Considerations

Check for pin-compatible alternatives within the same STMicroelectronics ignition controller family. Verify functional equivalence regarding Hall sensor interface requirements. Ensure replacement parts meet the same automotive grade specifications.