Rohm Semiconductor
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BD7690FJ-E2
צפה בפרטים DataSheets

BD7690FJ-E2

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: SOP-8
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 1.5A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BD7690FJ-E2 IC has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. COMP: Compensation pin
  6. SS: Soft-start pin
  7. VOUT: Output voltage pin
  8. PGND: Power ground pin

Functional Features

  • Wide input voltage range for versatile applications
  • High efficiency conversion for reduced power loss
  • Overcurrent protection for enhanced safety
  • Soft-start function to prevent inrush current
  • Adjustable output voltage for flexibility

Advantages and Disadvantages

Advantages: - Compact size allows for space-saving designs - Low power consumption for energy-efficient operation - Wide input voltage range enables compatibility with various power sources

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The BD7690FJ-E2 is a voltage regulator IC that converts an input voltage within the specified range into a stable output voltage. It utilizes a control loop to maintain the desired output voltage by adjusting the duty cycle of an internal switching transistor. The feedback pin (FB) monitors the output voltage and provides a signal to the control circuitry, which adjusts the switching frequency accordingly. This control mechanism ensures a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The BD7690FJ-E2 is commonly used in various applications, including:

  1. Consumer Electronics: Power management for smartphones, tablets, and portable devices.
  2. Automotive: Voltage regulation for automotive electronics, such as infotainment systems and lighting controls.
  3. Industrial Equipment: Power supply for industrial automation, motor control, and instrumentation.
  4. Telecommunications: Voltage regulation for networking equipment, routers, and switches.

Detailed and Complete Alternative Models

  1. BD7689FJ-E2: Similar specifications with a lower maximum output current of 1A.
  2. BD7691FJ-E2: Similar specifications with a higher maximum output current of 2A.
  3. BD7688FJ-E2: Similar specifications with a smaller package size (SOP-6).

These alternative models provide options based on specific requirements and constraints.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של BD7690FJ-E2 בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of BD7690FJ-E2 in technical solutions:

  1. Q: What is BD7690FJ-E2? A: BD7690FJ-E2 is a specific model of motor driver IC designed for automotive applications.

  2. Q: What is the maximum voltage rating of BD7690FJ-E2? A: The maximum voltage rating of BD7690FJ-E2 is typically around 40V.

  3. Q: Can BD7690FJ-E2 drive both brushed and brushless motors? A: No, BD7690FJ-E2 is specifically designed for driving brushed DC motors.

  4. Q: What is the maximum current that BD7690FJ-E2 can handle? A: BD7690FJ-E2 can handle a maximum continuous current of around 3A.

  5. Q: Does BD7690FJ-E2 support bidirectional motor control? A: Yes, BD7690FJ-E2 supports bidirectional motor control, allowing both forward and reverse motion.

  6. Q: Is BD7690FJ-E2 suitable for automotive applications? A: Yes, BD7690FJ-E2 is designed specifically for automotive applications and meets the necessary requirements.

  7. Q: Does BD7690FJ-E2 have built-in protection features? A: Yes, BD7690FJ-E2 includes various protection features like overcurrent protection, thermal shutdown, and under-voltage lockout.

  8. Q: Can BD7690FJ-E2 be controlled using PWM signals? A: Yes, BD7690FJ-E2 can be controlled using PWM (Pulse Width Modulation) signals for speed control.

  9. Q: What is the operating temperature range of BD7690FJ-E2? A: The operating temperature range of BD7690FJ-E2 is typically between -40°C to 125°C.

  10. Q: Are there any evaluation boards or reference designs available for BD7690FJ-E2? A: Yes, there are evaluation boards and reference designs available for BD7690FJ-E2 that can help in the development process.

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