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IPS5451

IPS5451 Description

The IPS5451 is a high-side, general-purpose power switch from Infineon Technologies, designed for applications requiring a single output with a 1:1 input-to-output ratio. With a maximum output current of 4A and a load voltage range of 5.5V to 18V, it is suitable for a variety of power distribution and load driving tasks. The device features auto-restart functionality, ensuring reliable operation after power disruptions. Its fixed current limiting, open load detection, and over-temperature protection provide robust fault protection, safeguarding the system from potential damage.

IPS5451 Features

• Output Configuration: High Side, allowing for control of high-side power rails.
• Product Status: Obsolete, indicating that it may be challenging to source new units.
• Current - Output (Max): 4A, suitable for applications requiring moderate current levels.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• Voltage - Supply (Vcc/Vdd): Not Required, simplifying the power supply requirements.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating no sensitivity to moisture, which is beneficial for harsh environments.
• ECCN: EAR99, facilitating international trade.
• Switch Type: General Purpose, making it versatile for various applications.
• Rds On (Typ): 19mOhm, providing low on-resistance for efficient power transfer.
• Number of Outputs: 1, simplifying designs with a single power rail requirement.
• Fault Protection: Includes current limiting, open load detection, and over-temperature protection.
• Package: Tube, suitable for through-hole mounting in various electronic assemblies.

IPS5451 Applications

The IPS5451 is ideal for applications where a single high-side power switch is required, such as:

• Battery Management Systems: For controlling the charging and discharging of batteries.
• Industrial Controls: In systems where reliable power distribution is critical.
• Telecommunications Equipment: For managing power to various components within communication devices.
• Automotive Electronics: For applications within the vehicle's power management systems.

Conclusion of IPS5451

While the IPS5451 has been declared obsolete, its features such as auto-restart, robust fault protection, and a wide load voltage range make it a reliable choice for legacy systems or applications where this specific model is still in use. Its high-side configuration, low on-resistance, and general-purpose nature provide flexibility in design, making it suitable for a variety of power distribution and load driving tasks. Despite its obsolescence, the IPS5451 remains a solid option for applications that can accommodate its specifications and sourcing challenges.