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ROHM BD9S201NUXCE2 Automotive Buck Converter

The BD9S201NUX-C is a high-performance synchronous buck DC/DC converter designed for automotive applications. Operating from 2.7 V to 5.5 V input, it delivers up to 2A with high efficiency at a switching frequency of 2.2 MHz. Features include adjustable output voltage, soft start, output discharge, power good indicator, and various protections such as UVLO, SCP, OVP, OCP, and thermal shutdown. With a compact VSON008X2020 package measuring 2.0 mm x 2.0 mm x 0.6 mm, it ensures reliable operation in automotive environments with temperature ranges from -40 °C to +125 °C.

Authorized Distributors
Source:Newark
Part No:BD9S201NUX-CE2
Stock:1790
Inv Date:06-09-2026
Price: Unit price: $0.325
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Source:DigiKey
Part No:BD9S201NUX-CE2
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.81497
Buy/RFQ:
Part No:BD9S201NUX-CE2
Stock:14270
Inv Date:06-10-2026
Price: Unit price: $1.66
Buy/RFQ:
Part No:BD9S201NUX-CE2
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

ROHM BD9S201NUXCE2 Automotive Buck Converter Specifications:

  • Input Voltage Range: 2.7 V to 5.5 V
  • Output Current: 2 A (Max)
  • Switching Frequency: 2.2 MHz (Typ)
  • High Side FET ON Resistance: 150 mΩ (Typ)
  • Low Side FET ON Resistance: 95 mΩ (Typ)
  • Operating Temperature: -40 °C to +125 °C
  • Package: VSON008X2020, 2.0 mm x 2.0 mm x 0.6 mm
  • Protection Features: UVLO, SCP, OVP, OCP, TSD
  • Soft Start Duration: Approximately 1 ms
  • Power Good Output: Open drain, requires pull-up resistor
  • Thermal Resistance (Junction to Ambient): 181.90 °C/W (Typ)

Buy the ROHM BD9S201NUX– Reliable Automotive Buck Converter for Industrial Applications

Purchase the ROHM BD9S201NUX-C today for reliable automotive power regulation. This compact synchronous buck converter offers up to 2A current, operates from 2.7 V to 5.5 V, and features protection circuits like UVLO, SCP, and TSD. Its high switching frequency of 2.2 MHz ensures small external components and excellent transient response. Ideal for automotive and industrial applications, it ensures long-lasting performance within an operating temperature range of -40°C to +125°C. Buy online now for high-quality, dependable power solutions.

Get ROHM BD9S201NUX today—designed for automotive durability and high efficiency in compact size.

Frequently Asked Questions

Where can I buy ROHM BD9S201NUXCE2?

You can click on the BUY or RFQ button to purchase BD9S201NUXCE2 from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part BD9S201NUXCE2?

You can download the BD9S201NUXCE2 datasheet or visit the ROHM website for support.

Who is the manufacturer of BD9S201NUXCE2?

ROHM

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