NCV887701D1R2G

Overview

The NCV887701D1R2G is an automotive-grade, non-synchronous boost switching controller from the NCV8877 series. It operates within a wide input voltage range of 2 V to 40 V and supports up to 45 V load dump conditions. The device utilizes peak current mode control with internal slope compensation for stable operation. Key electrical parameters include a maximum duty cycle of 83%, a fixed switching frequency of 170 kHz, and a supply voltage range of 2 V to 40 V. It is housed in an 8-SOIC package and certified to AEC-Q100 standards.

Feature Summary

• Automotive start-stop boost controller designed to maintain regulated voltage during battery sag events
• Peak current mode control architecture with integrated slope compensation
• Low quiescent current sleep mode with automatic enable below wake-up threshold
• Integrated protection mechanisms including cycle-by-cycle current limit and thermal shutdown

Applications

• Applications requiring regulated voltage through cranking and start-stop operation
• Supplying minimum output voltage during vehicle start-stop battery voltage sags
• Automotive power management systems needing wide input voltage tolerance

Procurement Notes

Verify the specific suffix D1R2G against the official datasheet to confirm pinout and packaging configuration. Ensure the design accounts for the 83% maximum duty cycle limitation inherent to this variant. Confirm AEC-Q100 qualification requirements match the target automotive application specifications before finalizing procurement.

Selection Notes

Select this component when a non-synchronous boost topology is required for automotive start-stop applications. It is suitable for designs needing peak current mode control with external frequency adjustment capabilities. Consider the 170 kHz fixed frequency and 83% duty cycle limits when designing the inductor and feedback network for the target output voltage.

Part Context

This part belongs to the NCV8877 family of non-synchronous boost controllers manufactured by onsemi. The family is specifically engineered for automotive environments, offering robust performance under varying battery conditions. The NCV887701 variant provides a fixed switching frequency, distinguishing it from other models in the series that may offer adjustable frequency options.

Replacement Considerations

NCV887711D1R2G is a similar non-synchronous boost controller within the same family. Verify compatibility regarding switching frequency and duty cycle limitations before substitution.