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ROHM BD49101AEFSME2 Multi-Channel Power Supply IC

The BD49101AEFS-M is a highly efficient multi-channel power supply IC designed for automotive audio systems and infotainment applications. It integrates two switching regulators, five variable regulators, a high-side switch, and low power standby modes, ensuring stable and efficient power delivery for complex electronic environments. Features include over-voltage, over-current, thermal shutdown protection, adjustable output voltages, and external synchronization, making it suitable for modern vehicle entertainment systems and multiple load conditions within an automotive environment.

Authorized Distributors
Source:DigiKey
Part No:BD49101AEFS-ME2
Stock:2996
Inv Date:06-09-2026
Price: Unit price: $6.34
Buy/RFQ:
Part No:BD49101AEFS-ME2
Stock:0
Inv Date:06-10-2026
Price: Unit price: $3.67
Buy/RFQ:

ROHM BD49101AEFSME2 Multi-Channel Power Supply IC Specifications:

  • Input Voltage Range: 5.5V to 25V
  • Output Voltage Range 1: 0.8V to 24V (REG1), 0.8V to VIN3,4 (REG3, REG4), 0.8V to 10.5V (REG2), 0.8V to 8.5V (REGS), 0.810V to 85V (REG5)
  • DCDC Switching Frequency: 200kHz to 500kHz
  • Oscillator Frequency Setting Resistance: 27kΩ to 82kΩ
  • Over Current Detection: 1.76A (DCDC1), 1.5A (DCDC2), 1A (REG4)
  • Standby Current: 100pA (Typ)
  • Operating Temperature Range: -40°C to +85°C
  • Protection Features: Over Voltage, Over Current, Thermal Shutdown
  • Package: HTSSOP-A44 measuring 18.50mm x 9.50mm x 1.00mm
  • External Synchronization: 200kHz to 500kHz, programmable via RT pin
  • Supports I²C control with registers for mode, voltage, current thresholds, and cable impedance calibration

Buy the ROHM BD49101AEFS– Reliable Multi-Channel Power Supply for Automotive Audio Systems

Purchase the ROHM BD49101AEFS now and ensure stable, efficient power distribution for your vehicle's audio and infotainment systems. Designed for automotive environments, this IC offers multiple regulators, switching power supplies, protection features, and external synchronization for seamless integration. Its high efficiency reduces heat, while over-voltage and over-current protections safeguard your device. Ideal for car audio, multimedia systems, and complex electronic loads, this component guarantees reliable operation and long-lasting durability. Buy online today to upgrade your automotive electronics with confidence and quality.

Get ROHM BD49101AEFS today—built for automotive infotainment systems with high efficiency, protections, and flexible power management.

Frequently Asked Questions

Where can I buy ROHM BD49101AEFSME2?

You can click on the BUY or RFQ button to purchase BD49101AEFSME2 from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part BD49101AEFSME2?

You can download the BD49101AEFSME2 datasheet or visit the ROHM website for support.

Who is the manufacturer of BD49101AEFSME2?

ROHM

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