Rohm Semiconductor
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BD9639MWV-E2
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BD9639MWV-E2

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low power consumption - Compact size - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: Miniature Wafer-Level Chip Scale Package (WLCSP)

Essence: BD9639MWV-E2 is a power management IC designed for efficient voltage regulation in various electronic devices.

Packaging/Quantity: The BD9639MWV-E2 is typically sold in reels or trays, with a quantity of 3000 units per reel/tray.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 1.5A
  • Quiescent Current: 30µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BD9639MWV-E2 has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin

Functional Features

  • High Efficiency: The BD9639MWV-E2 utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
  • Overcurrent Protection: The IC incorporates overcurrent protection to safeguard connected devices from excessive current flow.
  • Thermal Shutdown Protection: In case of overheating, the BD9639MWV-E2 automatically shuts down to prevent damage to the IC and surrounding components.
  • Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it suitable for various applications.
  • Low Power Consumption: The BD9639MWV-E2 has low quiescent current, ensuring minimal power consumption during standby or idle modes.

Advantages and Disadvantages

Advantages: - High efficiency voltage regulation - Compact size for space-constrained designs - Wide input voltage range for versatile applications - Overcurrent and thermal shutdown protection for enhanced safety

Disadvantages: - Limited maximum output current (1.5A) - Operating temperature range may not be suitable for extreme environments

Working Principles

The BD9639MWV-E2 is a step-down voltage regulator that converts the input voltage to a lower, regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency. The enable pin (EN) controls the operation of the IC, while the feedback pin (FB) monitors the output voltage and adjusts it accordingly.

Detailed Application Field Plans

The BD9639MWV-E2 is commonly used in the following applications:

  1. Mobile devices (smartphones, tablets, portable media players)
  2. Wearable electronics (smartwatches, fitness trackers)
  3. IoT devices (sensors, smart home devices)
  4. Portable gaming consoles
  5. Battery-powered devices

Detailed and Complete Alternative Models

  1. BD9638MWV-E2: Similar to BD9639MWV-E2 but with a lower maximum output current of 1A.
  2. BD9640MWV-E2: Similar to BD9639MWV-E2 but with a higher maximum output current of 2A.
  3. BD9620MWV-E2: Step-down voltage regulator with similar characteristics but designed for lower power applications.

These alternative models provide options based on specific requirements and power demands of different applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van BD9639MWV-E2 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of BD9639MWV-E2 in technical solutions:

  1. Q: What is BD9639MWV-E2? A: BD9639MWV-E2 is a specific model of voltage regulator IC (integrated circuit) used for power management in various electronic devices.

  2. Q: What are the key features of BD9639MWV-E2? A: Some key features of BD9639MWV-E2 include high efficiency, low dropout voltage, wide input voltage range, and overcurrent/thermal protection.

  3. Q: In which applications can BD9639MWV-E2 be used? A: BD9639MWV-E2 can be used in a wide range of applications such as smartphones, tablets, portable audio devices, digital cameras, and other battery-powered devices.

  4. Q: How does BD9639MWV-E2 help in power management? A: BD9639MWV-E2 regulates the input voltage and provides a stable output voltage, ensuring proper power supply to the connected components while minimizing power loss.

  5. Q: What is the maximum input voltage supported by BD9639MWV-E2? A: The maximum input voltage supported by BD9639MWV-E2 is typically around 6V.

  6. Q: Can BD9639MWV-E2 handle high current loads? A: Yes, BD9639MWV-E2 is designed to handle high current loads up to a certain limit, usually around 1A.

  7. Q: Does BD9639MWV-E2 have any built-in protection features? A: Yes, BD9639MWV-E2 incorporates overcurrent protection and thermal shutdown features to safeguard against excessive current or temperature.

  8. Q: Is BD9639MWV-E2 suitable for low-power applications? A: Yes, BD9639MWV-E2 is suitable for both low-power and high-power applications due to its wide input voltage range and efficient power management capabilities.

  9. Q: Can BD9639MWV-E2 be used in automotive applications? A: Yes, BD9639MWV-E2 is designed to meet automotive-grade requirements and can be used in various automotive applications such as infotainment systems or dashboard electronics.

  10. Q: Are there any specific design considerations when using BD9639MWV-E2? A: It is important to consider factors like input/output capacitor selection, PCB layout, and thermal management to ensure optimal performance and reliability when using BD9639MWV-E2.

Please note that the answers provided here are general and may vary depending on the specific application and requirements.