Infineon Smart Power Low Side Switch, 42V, 24A, SOT-223-4

The Infineon Smart Power Low Side Switch utilises advanced SIPMOS technology, incorporating an N-channel vertical power FET. This component is fully protected by a comprehensive suite of embedded safety functions, making it an ideal choice for switching or linear applications involving resistive, inductive, and capacitive loads.

Designed as a microcontroller-compatible power switch for 12VDC applications, this device efficiently replaces traditional electromechanical relays and discrete circuits. It features a logic level input with ESD protection, ensuring robust operation. Protection mechanisms include thermal shutdown with auto restart, overload protection, short circuit protection, and overvoltage protection. Additionally, it supports current limitation and analog driving capabilities.

Technical Specifications

• Drain Source Clamp Voltage: 42V to 55V
• Off-State Drain Current: 1.5µA typical
• On-State Input Current: 10µA typical
• On-State Resistance: 45mΩ typical
• Current Limit: 24A typical
• Qualification: AEC-Q100
• Package: SOT-223-4

Operating reliably within a temperature range of -40°C to +150°C, this switch is AEC-Q100 qualified, making it suitable for demanding automotive environments. The product dimensions are 43mm in height, 33mm in width, and 15mm in depth, with a lightweight design of just 1.678 grams.