UPD166034T1U-E1-AY

Overview

The UPD166034T1U-E1-AY is a second-generation intelligent power device (IPD) featuring an N-channel high-side switch with a built-in charge pump. It operates within a supply voltage range of 4.5 V to 28 V and supports logic interfaces compatible with 3.3 V systems. The component provides one output channel with a maximum on-resistance of 16 mΩ. It functions reliably across an extended temperature range from -40 °C to +150 °C. The device utilizes a TO-252-7 surface-mount package for efficient integration into automotive power distribution architectures.

Feature Summary

• Integrated protection mechanisms including short-circuit, over-current detection shutdown, and absolute over-temperature safeguards.
• Proportional load current sensing capability enabling precise diagnostic feedback and monitoring.
• Built-in charge pump circuit ensuring robust high-side switching performance without external driver requirements.

Applications

• Wireless Electric Vehicle Battery Management Systems
• Solid-state Automotive Power Distribution Modules
• High-side Intelligent Power Device Switching Applications

Procurement Notes

Verify the specific suffix E1-AY against official Renesas documentation to confirm pinout compatibility and RoHS status. Confirm active manufacturing status directly with the supplier as product lifecycles may change. Ensure the TO-252-7 package dimensions align with your PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when designing automotive networks requiring compact solid-state power distribution. The integrated proportional current sensing simplifies diagnostic implementation compared to standard switches. Verify that the 16 mΩ on-resistance meets the thermal management requirements for your specific load current applications.

Part Context

This part belongs to the µPD166034T1U series of second-generation intelligent power devices. These components are engineered for automotive environments, offering scalability through standardized pinouts and various resistance options. The series emphasizes reliability under repeated stress conditions, making it suitable for critical vehicle subsystems.

Replacement Considerations

Consult official Renesas substitution lists for verified alternatives. Cross-referencing with other IPD family members requires careful validation of pin configurations and electrical characteristics to ensure functional equivalence in existing designs.

FAQ

Does the UPD166034T1U-E1-AY include a built-in charge pump?

Yes, the device features a built-in charge pump circuit to facilitate high-side switching operations.

What type of current sensing does this IPD support?

It supports proportional load current sensing, allowing for diagnostic feedback via an amplifier output.