UPD166029T1J-E1-AY

Power Distribution Switches, Load Drivers Overview

The UPD166029T1J-E1-AY is a second-generation Intelligent Power Device (IPD) from Renesas Electronics, functioning as an N-channel high-side switch. It features two independent output channels housed in a 12-pin HSSOP package. The device operates within a supply voltage range of 4.5 V to 28 V and supports load dump voltages up to 42 V. Key electrical parameters include a maximum on-state resistance of 70 mOhms at 25°C and 180 mOhms at 150°C. It provides a typical load current of 1.8 A with short-circuit capability of 13 A. Switching times are limited to 200 µs for both turn-on and turn-off. The component is qualified for automotive applications and functions reliably across a temperature range of -40°C to +150°C.

Power Distribution Switches, Load Drivers Feature Summary

• Integrated charge pump enables direct connection to 3.3V compatible logic interfaces without external level shifting.
• Embedded diagnostic feedback provides proportional load current sensing for real-time monitoring.
• Advanced protection mechanisms include short circuit protection, power limitation via delta Tch control, and absolute over-temperature shutdown.
• Active clamp operation manages energy dissipation during inductive load switch-off events.

Power Distribution Switches, Load Drivers Applications

• Automotive lighting systems requiring robust high-side switching
• Industrial motor control circuits utilizing N-channel loads
• General purpose power distribution networks in vehicle ECUs

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix E1-AY against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS status. Ensure the ordering part number matches the required HSSOP-12 package variant. Cross-reference the AEC qualification status if deploying in regulated automotive environments. Confirm that the 3.3V logic interface aligns with the system microcontroller output levels.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when dual-channel high-side switching with integrated diagnostics is required. The 70 mOhm on-resistance suits moderate current applications around 1.8 A. Consider the HSSOP-12 package for space-constrained PCB layouts. Verify thermal management requirements given the 150°C junction temperature limit and 1.85 W power dissipation rating under load conditions.

Power Distribution Switches, Load Drivers Part Context

This device belongs to the UPD166029T1J family of second-generation Intelligent Power Devices. These components are designed to replace discrete MOSFET solutions by integrating control logic and protection circuits. The family offers scalability through various on-resistance and channel combinations, providing design flexibility for different load profiles while maintaining standardized pinouts across similar packages.

Power Distribution Switches, Load Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult Renesas Electronics for official cross-reference recommendations or equivalent IPD series with matching channel counts and voltage ratings.