Texas Instruments
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
BQ4802YDWR
Näytä Yksityiskohdat DataSheets

BQ4802YDWR

Product Overview

Category

BQ4802YDWR belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for voltage regulation and power management applications.

Characteristics

  • Voltage regulation capabilities
  • Power management features
  • Compact size
  • High efficiency
  • Low power consumption

Package

BQ4802YDWR is available in a small form factor package, suitable for surface mount technology (SMT) applications.

Essence

The essence of BQ4802YDWR lies in its ability to regulate voltage and efficiently manage power in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a standard quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Maximum Output Current: 500mA
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: WSON-10

Detailed Pin Configuration

Pin Name | Description --- | --- VIN | Input voltage pin GND | Ground pin EN | Enable pin FB | Feedback pin SW | Switching node pin PGND | Power ground pin VOUT | Output voltage pin COMP | Compensation pin SS | Soft-start pin PG | Power good pin

Functional Features

  • Wide input voltage range for compatibility with various power sources
  • Efficient voltage regulation for stable output voltage
  • Overcurrent protection to prevent damage to the circuit
  • Soft-start feature for smooth power-up operation
  • Power good indicator for system status monitoring

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Compact size allows for space-saving designs
  • Wide input voltage range enhances versatility
  • Overcurrent protection ensures circuit safety

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Temperature limitations restrict usage in extreme environments

Working Principles

BQ4802YDWR operates based on a switching regulator topology. It utilizes pulse width modulation (PWM) techniques to regulate the output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the internal switch to maintain the desired voltage level.

Detailed Application Field Plans

BQ4802YDWR finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices

Detailed and Complete Alternative Models

  1. BQ4803YDWR

    • Similar specifications and features as BQ4802YDWR
    • Different package type: QFN-12

  2. BQ4804YDWR

    • Higher maximum output current: 1A
    • Similar specifications and features as BQ4802YDWR
    • Different package type: WSON-10

  3. BQ4805YDWR

    • Lower input voltage range: 2.5V to 5.5V
    • Similar specifications and features as BQ4802YDWR
    • Different package type: SOT-23-6

These alternative models offer similar functionality with slight variations in specifications and package types, providing flexibility for different design requirements.

Word count: 439 words

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät BQ4802YDWR :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of BQ4802YDWR in technical solutions:

  1. Question: What is BQ4802YDWR?
    - Answer: BQ4802YDWR is a specific model of integrated circuit (IC) designed for power management applications.

  2. Question: What are the key features of BQ4802YDWR?
    - Answer: Some key features of BQ4802YDWR include low quiescent current, wide input voltage range, high efficiency, and built-in protection mechanisms.

  3. Question: What are the typical applications of BQ4802YDWR?
    - Answer: BQ4802YDWR is commonly used in battery-powered devices, portable electronics, IoT devices, and other applications requiring efficient power management.

  4. Question: What is the input voltage range supported by BQ4802YDWR?
    - Answer: BQ4802YDWR supports an input voltage range of typically 2.7V to 5.5V.

  5. Question: Can BQ4802YDWR handle multiple output voltages?
    - Answer: Yes, BQ4802YDWR can generate multiple regulated output voltages simultaneously, making it suitable for systems with different power requirements.

  6. Question: Does BQ4802YDWR have any built-in protection features?
    - Answer: Yes, BQ4802YDWR includes built-in protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  7. Question: What is the efficiency of BQ4802YDWR?
    - Answer: BQ4802YDWR has a high efficiency rating, typically above 90%, which helps optimize power consumption and prolong battery life.

  8. Question: Can BQ4802YDWR operate in a wide temperature range?
    - Answer: Yes, BQ4802YDWR is designed to operate reliably in a wide temperature range, typically from -40°C to 85°C.

  9. Question: Is BQ4802YDWR suitable for low-power applications?
    - Answer: Yes, BQ4802YDWR is well-suited for low-power applications due to its low quiescent current and efficient power management capabilities.

  10. Question: Are there any evaluation boards or reference designs available for BQ4802YDWR?
    - Answer: Yes, Texas Instruments provides evaluation boards and reference designs that can help developers quickly prototype and implement BQ4802YDWR in their technical solutions.

Please note that the answers provided here are general and may vary depending on the specific datasheet and documentation of BQ4802YDWR.