L9947S

Overview

The L9947S is a bus-controlled power interface designed for automotive applications, realized in multipower BCD60II technology. It integrates a quad half-bridge and a single high-side driver. The device operates within a supply voltage range of 4.5V to 5.5V and features five output interfaces. It supports an output voltage of 600 mV with a supply current of 5.00 mA. The component functions reliably across an operating temperature range from -40°C to 150°C.

Feature Summary

• Integrates a quad half-bridge and a single high-side driver in a single package
• Bus-controlled architecture for simplified system integration
• Realized in multipower BCD60II technology for robust performance

Applications

• Automotive motor control systems
• Power interface management in vehicles
• High-side load switching applications

Procurement Notes

Verify the specific package variant, as the L9947S is associated with Multiwatt or ZIP 15-pin configurations. Confirm RoHS compliance status and lead-free certification with the supplier. Ensure the ordering suffix matches the required thermal and mechanical specifications for your design.

Selection Notes

Select this component when a combined solution for multiple half-bridge and high-side loads is required in automotive environments. The wide operating temperature range suits harsh conditions. Verify that the 4.5V to 5.5V supply voltage aligns with your system's power rails before finalizing the design.

Part Context

This part belongs to STMicroelectronics' automotive power interface portfolio. It utilizes BCD60II technology, which combines bipolar, CMOS, and DMOS processes. This integration allows for high-voltage handling and complex logic control within a compact form factor suitable for vehicle electronics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official STMicroelectronics resources for cross-reference data.