NCV887302D1R2G

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NCV887302D1R2G is a non-synchronous buck DC/DC controller which belongs to PMIC (Power Management Integrated Circuit) - Voltage Regulators - DC DC Switching Controllers. Its application field is in high-current and low-voltage power supply conversion, including wireless charging and adapters. The working principle is to generate a controlled amount of electric power to the load within a particular voltage range.

NCV887302D1R2G applies an optimized low-resistance sensing circuit, as well as an accurate external current sense amplifier while regulating the ON time and off time by employing an error amplifier. Proprietary Advanced Gate Drive regulates an output voltage through the integrated buck switching FET. This patented circuit can reduce the EMI (electromagnetic interference) and the AC ripple, achieving low-voltage conversion with high accuracy.

The advantage of this DC/DC controller is that its on-time and off-time are both adjustable. It is able to maintain steady switching frequency and adjustable soft start time, providing design flexibility with low-side current limiting, good output ripple rejection and over-temperature protection. This DC/DC controller is suitable for applications such as adapters and USB type-C chargers, as well as small-sized synchronous buck conversion with regulators.

NCV887302D1R2G has several protection plans for source/pull down/drive pin, output overvoltage, overcurrent, thermal protection and UVLO (Under-Voltage Lock-Out). It also features fast switching, low start-up current, wide input voltage operation, power-saving mode and high efficiency.

To conclude, NCV887302D1R2G is a non-synchronous buck DC/DC controller that can be used for high-current and low-voltage power supply conversion, including wireless charging and adapters. Its working principle is to generate a controlled amount of electric power to the load within a particular voltage range. It is suitable for applications such as adapters, with low-side current limiting, over-temperature protection, and fast switching at high efficiency.

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