NCV890204MWR2G

Voltage Regulators - DC DC Switching Regulators Overview

The NCV890204MWR2G is a 2A automotive buck switching regulator with a fixed 2MHz switching frequency. It features programmable spread spectrum modulation to reduce EMI and an adjustable RSTB pin for power sequencing control. The device operates within a wide input voltage range, supports 100% duty cycle operation, and includes comprehensive protection mechanisms such as overcurrent, thermal shutdown, and undervoltage lockout. Packaged in a compact WDFN-6 format, it is designed for high-efficiency DC-DC conversion in demanding automotive environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates programmable spread spectrum modulation to minimize electromagnetic interference emissions across the frequency spectrum.
• Features an adjustable RSTB pin enabling precise output voltage sequencing and controlled power-up/down timing.
• Supports 100% duty cycle operation allowing the output voltage to track the input voltage during low dropout conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment system power distribution
• Telematics control unit (TCU) voltage regulation
• Body control module (BCM) auxiliary power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the suffix MWR2G to ensure correct packaging and tape-and-reel configuration. Confirm that the component meets specific automotive reliability standards required for your application tier. Check for any recent lifecycle status updates or obsolescence notices from onsemi before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when a fixed 2MHz frequency is suitable for minimizing passive component size while managing EMI through spread spectrum capabilities. The adjustable RSTB feature is critical if multiple rails require synchronized startup sequences. Ensure the input voltage range aligns with the vehicle's battery profile and that the 2A load current does not exceed the thermal limits of the chosen PCB layout.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to onsemi’s NCV890xx series of automotive-grade synchronous buck regulators. These devices are engineered specifically for harsh automotive environments, offering high efficiency and robust protection features. The series provides various current ratings and frequencies to suit different power density requirements in modern vehicle electronics architectures.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements must match the 2A current rating, 2MHz frequency, and WDFN-6 package. Verify compatibility of the RSTB functionality and spread spectrum settings. Cross-reference with other NCV890xx variants if current or frequency adjustments are needed, ensuring all automotive qualification standards remain intact.