SIPQ32434BDN-T1E3

Overview

The Vishay Siliconix SIPQ32434BDN-T1E3 is a single-channel electronic fuse and load switch designed for power distribution. It operates within a supply voltage range of 2.8V to 23V, with a maximum rated voltage of 28V and an internal overvoltage protection (OVP) threshold of 24V. The device features a typical on-resistance of 33mΩ and supports a programmable current limit setting range from 0.5A to 6A with ±7% accuracy. Key timing parameters include a fast short-circuit protection response, a programmable turn-on slew rate, and a fixed turn-on delay of 190μs. It integrates adjustable undervoltage lockout (UVLO), overtemperature protection, and a power good indicator output.

Feature Summary

• Integrates comprehensive protection against overload, short circuits, voltage surges, and excessive inrush currents to safeguard downstream circuits.
• Features programmable control capabilities including adjustable OVP, UVLO, and turn-on slew rate to simplify design and minimize external components.
• Provides robust reliability through integrated overtemperature protection and high ESD tolerance exceeding 2kV HBM and 750V CDM.
• Delivers precise current limiting with ±7% accuracy and includes a power good status indicator for system monitoring.

Applications

• Industrial automation systems
• Internet of Things (IoT) and smart home devices
• Medical and healthcare equipment
• Network and telecommunications infrastructure
• Data storage solutions and solid-state drives

Procurement Notes

Verify the specific suffix 'BDN' against the official Vishay datasheet to confirm pinout and package configuration, as variations exist within the SIP3243x family. Ensure the component meets AEC-Q100 automotive qualification requirements if intended for automotive applications, noting that standard SIP32434 variants may differ in qualification status. Cross-reference the manufacturer part number with authorized distributors to confirm availability and authenticity before procurement.

Selection Notes

Select this component when a single-channel load switch with integrated eFuse functionality is required for protecting sensitive loads. It is suitable for designs needing precise current limiting between 0.5A and 6A with high accuracy. Consider this part for applications requiring programmable turn-on characteristics and robust overvoltage protection up to 28V. It is ideal for space-constrained designs due to its compact TDFN10 3mm x 3mm package and minimal external component count.

Part Context

The SIPQ32434BDN-T1E3 belongs to the SIP3243x series of power switch ICs manufactured by Vishay Siliconix. This series focuses on power distribution with integrated protection features. The 'SIPQ' prefix typically denotes automotive-grade qualification under AEC-Q100 standards, distinguishing it from commercial grade counterparts like the SIP32434. It serves as a specialized solution for reliable power management in demanding environments.

Replacement Considerations

The SIP32434DR3-T1-E3 is a related commercial-grade variant within the same family. Verify if automotive qualification is strictly required; if not, the commercial version may be considered. Check pin compatibility and electrical specifications carefully, as suffixes indicate different package or qualification types. No other direct substitutes are confirmed in the provided data.