ET9551M

$0.33

Description：Low RON OVP with BUS_DET Output
Series：*
Mfr：ETEK MICROELECTRONICS
Package：Tape & Reel (TR)

SKU:5a5b7f1c9735 Category: Surge Suppression ICs Brand: ETEK MICROELECTRONICS

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Product introduction

Product Detailed Parameters

Description：Low RON OVP with BUS_DET Output
Series：*
Mfr：ETEK MICROELECTRONICS
Package：Tape & Reel (TR)
Voltage - Clamping：2.3 ~ 28V
Technology：External Switch
Number of Circuits：-
Applications：USB
Mounting Type：Surface Mount
Package / Case：12-UFQFN Exposed Pad
Supplier Device Package：-
Grade：-
Qualification：-

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ET9551M

Overview

The ET9551M is an overvoltage and surge protection integrated circuit manufactured by ETEK MICROELECTRONICS. It operates with a voltage range of 2.3 to 28V and utilizes an external switch configuration for protection. The device features a low on-resistance (RON) design and includes a BUS_DET output function. It is housed in a 12-UFQFN Exposed pad surface mount package, suitable for applications requiring robust transient suppression.

Feature Summary

Integrated overvoltage and surge protection capabilities
Low on-resistance architecture for efficient power handling
Includes BUS_DET output for status monitoring

Applications

USB port protection circuits
Digital and analog communication interfaces
Mobile device input/output protection

Procurement Notes

Verify the specific manufacturer datasheet for the ET9551M to confirm pinout compatibility and absolute maximum ratings before integration. Ensure that the external switch component selected aligns with the IC's control requirements and voltage specifications. Cross-reference the 12-UFQFN Exposed pad footprint dimensions with your PCB layout guidelines to guarantee accurate assembly and thermal performance.

Selection Notes

Select this component when designing systems requiring dedicated overvoltage and surge suppression for low-voltage signal lines. The inclusion of a BUS_DET output allows for real-time fault detection within the protection circuit. Consider the 2.3 to 28V operating range to ensure compatibility with the target system's voltage levels and transient events.

Part Context

ETEK MICROELECTRONICS specializes in high-performance analog integrated circuits, including power management and protection solutions. The ET9551M falls within their portfolio of components designed for digital and analog communications, targeting markets such as mobile devices where reliable transient protection is critical for maintaining signal integrity and hardware safety.