The BTS3046SDR is a single-channel high-side power switch manufactured by Infineon Technologies. It is part of the PROFET™ (PROtected MOSFET) family of devices, designed to drive various loads in automotive and industrial applications. This intelligent power switch offers protection features and diagnostic capabilities, ensuring reliable and safe operation.

Applications

• Automotive lighting (headlights, tail lights, indicator lights)
• Automotive body control modules (BCM)
• Industrial automation (driving relays, solenoids, and motors)
• Power distribution systems
• Heating applications (e.g., heated seats)

Features

• Single-Channel High-Side Switch
• PROFET™ Technology
• Overload Protection
• Short-Circuit Protection
• Overtemperature Protection
• Diagnostic Feedback
• Current Limitation
• Logic Level Input

Benefits

• Increased system reliability due to comprehensive protection features
• Reduced component count and simplified system design
• Enhanced safety by preventing damage from overcurrent and overtemperature conditions
• Improved system performance with fast switch-on and switch-off times
• Real-time diagnostics for easy fault detection and troubleshooting
• Minimized power dissipation due to low on-state resistance
• Direct interface with microcontroller units (MCUs)

Additional Details

The BTS3046SDR features a typical on-state resistance (RDS(on)) of around 45 mΩ, allowing for efficient power delivery to the load. It operates with a supply voltage range typically between 8V and 36V, making it suitable for various automotive and industrial power systems. The device includes diagnostic feedback features such as current sense, which provides information about the load current. It is available in a PG-DSO-8 package, which offers good thermal performance and ease of integration. The protection features include current limitation, which prevents excessive current flow during overload conditions, and overtemperature shutdown, which protects the device from thermal damage. The operating temperature range is -40°C to +150°C, ensuring reliable performance in harsh environments.