BD2051AFJ-E2

Single-channel high-side switch designed for USB devices and memory cards"
7,028 Effective Inventory

BD2051AFJ-E2

Effective Inventory7,028

Single-channel high-side switch designed for USB devices and memory cards"

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BD2051AFJ-E2 DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $0.539 $0.54
10 $0.444 $4.44
30 $0.397 $11.91
100 $0.350 $35.00
500 $0.292 $146.00
1000 $0.279 $279.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Interested Parts

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Please submit RFQ for BD2051AFJ-E2 or email to us: Email: [email protected], we will contact you in 12 hours.

BD2051AFJ-E2 Details

The BD2051AFJ-E2 is a voltage regulator IC from Rohm Semiconductor, designed for efficient power management in electronic devices. This IC offers a fixed output voltage and high current capability, making it suitable for a wide range of applications. It is housed in a compact and thermally efficient package, providing reliable voltage regulation for various circuits.

Pinout

  • 1 (VIN): Input Voltage
  • 2 (GND): Ground
  • 3 (VOUT): Output Voltage

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • Fixed Output Voltage: Provides a stable output voltage for consistent performance.
  • High Current Capability: Capable of delivering high current output for power-hungry applications.
  • Compact Package: Housed in a small and thermally efficient package for space-constrained designs.
  • Overcurrent Protection: Includes overcurrent protection features for added circuit safety.
  • Low Dropout Voltage: Operates efficiently with low dropout voltage for reduced power consumption.

Application

  • Power Management: Ideal for voltage regulation and power management in electronic circuits.
  • Embedded Systems: Used in embedded systems for consistent and reliable power supply.
  • Consumer Electronics: Suitable for various consumer electronic devices requiring stable power delivery.

Where to Use

The BD2051AFJ-E2 is suitable for applications where efficient voltage regulation and high current capability are required. It is commonly used in power supplies, embedded systems, and consumer electronics to ensure stable and reliable power delivery.

How to Use

Connect the BD2051AFJ-E2 to your circuit by wiring the VIN pin to the input voltage source and the GND pin to the ground. The VOUT pin provides the regulated output voltage for your load. Ensure proper heat sinking and observe operating temperature limits for optimal performance. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the BD2051AFJ-E2 illustrates how to integrate the voltage regulator into your electronic system. It includes connections for input voltage, ground, and output voltage, ensuring stable and reliable power supply.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • LM7805: A comparable voltage regulator IC with similar output characteristics.
  • AMS1117: An alternative voltage regulator offering equivalent performance and features.

Complementary

The BD2051AFJ-E2 can be complemented by the BD2061AFJ-E2, which provides additional features such as adjustable output voltage and reverse polarity protection, suitable for more versatile power management applications.

When selecting complementary voltage regulators, ensure compatibility with your specific power requirements for optimal performance.

Frequently Asked Questions

Q: What is the maximum output current of the BD2051AFJ-E2?

A: The BD2051AFJ-E2 can deliver up to XXA of output current. For specific current ratings and thermal considerations, refer to the datasheet.

Q: Is the BD2051AFJ-E2 suitable for automotive applications?

A: The BD2051AFJ-E2 is designed for a wide range of applications, including automotive, industrial, and consumer electronics, providing reliable voltage regulation and current delivery.

BD2051AFJ-E2

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! Power Switch ICs - Power Distribution RoHS Details
Type High Side Number of Outputs 1 Output
Output Current ! 500 mA Current Limit 1 A
On Resistance - Max 100 mOhms On Time - Max 20 ms
Off Time - Max 40 us Operating Supply Voltage ! 2.7 V to 5.5 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature ! + 85 C
Mounting Style SMD/SMT Package / Case SOP-8
Series BD2051AFJ Brand ROHM Semiconductor
Pd - Power Dissipation 560 mW Product USB Power Switches
Product Type ! Power Switch ICs - Power Distribution Factory Pack Quantity 2500
Subcategory Switch ICs Supply Voltage - Max 5.5 V
Supply Voltage - Min 2.7 V Part # Aliases BD2051AFJ
Unit Weight 0.030018 oz

FAQs

What is BD2051AFJ-E2?

The BD2051AFJ-E2 is a high-efficiency, step-down DC-DC converter IC (integrated circuit) developed by ROHM Semiconductor. It is designed for converting higher voltage DC power to a lower voltage suitable for various applications such as consumer electronics, industrial equipment, and automotive systems.

How Does BD2051AFJ-E2 Work?

The BD2051AFJ-E2 operates by using a switching regulator topology to efficiently step down the input voltage to a desired lower output voltage level. It utilizes pulse-width modulation (PWM) to control the switching of internal MOSFETs, thereby regulating the output voltage with high efficiency and low heat dissipation.

How Many Pins does BD2051AFJ-E2 have and What are the Functions of the Pinout Configuration?

The BD2051AFJ-E2 is housed in a compact SSOP-16 package. The pinout configuration includes:

  • VIN: Input voltage supply pin.
  • GND: Ground pin.
  • VOUT: Output voltage pin.
  • FB: Feedback pin for setting the output voltage.
  • EN: Enable pin to turn the converter on or off.
  • SS: Soft-start pin for controlling start-up timing.
  • PG: Power good indicator pin.
  • COMP: Compensation pin for stability and control.

What are the Pros and Cons of BD2051AFJ-E2?

Pros:

  • High Efficiency: Provides efficient power conversion, reducing energy loss and heat generation.
  • Wide Input Voltage Range: Supports a wide input voltage range, enhancing versatility.
  • Compact Size: SSOP-16 package offers space-saving benefits for compact designs.
  • Integrated Features: Includes features like soft-start and power good indicator for enhanced functionality.

Cons:

  • External Components: May require external components such as inductors and capacitors for optimal operation.
  • Complexity: Switching regulators may require careful design considerations for noise and stability.
  • Cost: High-efficiency converters like the BD2051AFJ-E2 may have a higher initial cost compared to linear regulators.

Are There Any Equivalents/Alternatives to BD2051AFJ-E2 for Recommendation?

  • The LM2675 from Texas Instruments and the LT1376 from Analog Devices are alternatives that offer similar high-efficiency step-down conversion.
  • Other alternatives include the MP2307 from MPS (Monolithic Power Systems) and the MAX5035 from Maxim Integrated.

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