Infineon BTS724G Smart High-Side Power Switch

The Infineon BTS724G is a high-side power switch with integrated vertical power FET, providing embedded protection and diagnostic functions. It is designed to drive currents up to 40A DC in 12V systems, and features a wide range of protection features, including:

• Overcurrent protection
• Short-circuit protection
• Overtemperature protection
• Reverse battery protection
• Open load detection

The BTS724G is also equipped with a diagnostic feedback signal that can be used to monitor the status of the switch and the load. This makes it ideal for a wide range of applications, including automotive, industrial, and consumer electronics.

Features and Benefits

• High current capability: up to 40A DC in 12V systems
• Wide range of protection features
• Diagnostic feedback signal
• CMOS compatible input
• Very low standby current
• Improved electromagnetic compatibility (EMC)
• Fast demagnetization of inductive loads

Applications

The BTS724G can be used in a wide range of applications, including:

• Automotive: headlights, taillights, fog lights, turn signals, brake lights, hazard lights, interior lights, door locks, windows, seats, mirrors, sunroofs, air conditioning, heating, fans, pumps, fuel systems, emissions control systems, and more
• Industrial: motors, solenoid valves, actuators, relays, fans, pumps, compressors, heaters, lighting, and more
• Consumer electronics: televisions, computers, monitors, printers, scanners, copiers, audio systems, video systems, game consoles, and more

Description

The BTS724G is a monolithic integrated circuit that combines a high-side power transistor with a CMOS logic circuit. The CMOS logic circuit provides a variety of protection and diagnostic features, including:

• Overcurrent protection: The BTS724G monitors the current flowing through the load and turns off the switch if the current exceeds a preset threshold. This helps to protect the switch and the load from damage.
• Short-circuit protection: The BTS724G detects and disables short circuits on the output. This helps to prevent damage to the switch and the load.
• Overtemperature protection: The BTS724G monitors its own temperature and turns off the switch if the temperature exceeds a preset threshold. This helps to prevent the switch from overheating and failing.
• Reverse battery protection: The BTS724G prevents damage to the switch if the battery is connected incorrectly.
• Open load detection: The BTS724G can detect if the load is not connected or if there is a break in the wiring. This can be used to prevent the switch from turning on and to provide diagnostic information.

The BTS724G also features a diagnostic feedback signal that can be used to monitor the status of the switch and the load. This signal can be used to detect overcurrent, short-circuit, overtemperature, and open load conditions.

The BTS724G is available in a PG-DSO-14 exposed pad package. It is easy to use and requires only a few external components. The BTS724G is also RoHS compliant and halogen-free.

Conclusion

The Infineon BTS724G is a high-side power switch with embedded protection and diagnostic functions. It is designed to drive currents up to 40A DC in 12V systems and is ideal for a wide range of applications, including automotive, industrial, and consumer electronics.