Cirrus Logic Inc.
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WM8321GEFL/V

WM8321GEFL/V

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management IC
  • Characteristics: High efficiency, compact size, versatile functionality
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Power management and control for electronic devices
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: Programmable from 0.6V to 3.3V
  • Number of Outputs: 4
  • Maximum Output Current: 500mA per channel
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The WM8321GEFL/V has a total of 32 pins. The pin configuration is as follows:

  1. VBAT
  2. VCHG
  3. VBUS
  4. VIO
  5. VRTC
  6. VRF
  7. VRF1
  8. VRF2
  9. VRF3
  10. VRF4
  11. VRF5
  12. VRF6
  13. VRF7
  14. VRF8
  15. VRF9
  16. VRF10
  17. VRF11
  18. VRF12
  19. VRF13
  20. VRF14
  21. VRF15
  22. VRF16
  23. VRF17
  24. VRF18
  25. VRF19
  26. VRF20
  27. VRF21
  28. VRF22
  29. VRF23
  30. VRF24
  31. VRF25
  32. GND

Functional Features

  • Power supply management for various electronic devices
  • Multiple output channels with programmable voltage levels
  • Overcurrent and overvoltage protection
  • Low power consumption in standby mode
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages

  • High efficiency power management
  • Compact size for space-constrained applications
  • Versatile functionality for different device requirements
  • Reliable overcurrent and overvoltage protection

Disadvantages

  • Limited maximum output current per channel (500mA)

Working Principles

The WM8321GEFL/V is designed to efficiently manage power supply for electronic devices. It regulates input voltage and provides multiple output channels with programmable voltage levels. The IC incorporates various protection mechanisms, such as overcurrent and overvoltage protection, ensuring safe operation of the connected devices. It also features low power consumption in standby mode, contributing to energy efficiency.

Detailed Application Field Plans

The WM8321GEFL/V finds application in a wide range of electronic devices, including but not limited to:

  1. Smartphones and tablets
  2. Portable gaming consoles
  3. Wearable devices
  4. IoT (Internet of Things) devices
  5. Industrial control systems
  6. Medical equipment

Detailed and Complete Alternative Models

  1. WM8321GEFL/V: The model described in this entry.
  2. WM8322GEFL/V: Similar power management IC with additional features.
  3. WM8323GEFL/V: Compact version with reduced pin count and lower power handling capability.
  4. WM8324GEFL/V: High-power variant with increased maximum output current per channel.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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10个与WM8321GEFL/V在技术解决方案中的应用相关的常见问题及解答

  1. What is the input voltage range for WM8321GEFL/V?
    - The input voltage range for WM8321GEFL/V is 4.5V to 17V.

  2. Can WM8321GEFL/V be used in automotive applications?
    - Yes, WM8321GEFL/V is suitable for automotive applications.

  3. What is the typical efficiency of WM8321GEFL/V?
    - The typical efficiency of WM8321GEFL/V is 90%.

  4. Does WM8321GEFL/V have overcurrent protection?
    - Yes, WM8321GEFL/V features overcurrent protection.

  5. What is the maximum output current of WM8321GEFL/V?
    - The maximum output current of WM8321GEFL/V is 3A.

  6. Is WM8321GEFL/V compatible with low ESR ceramic capacitors?
    - Yes, WM8321GEFL/V is compatible with low ESR ceramic capacitors.

  7. Can WM8321GEFL/V operate in a wide temperature range?
    - Yes, WM8321GEFL/V can operate in a wide temperature range from -40°C to 125°C.

  8. Does WM8321GEFL/V support adjustable output voltage?
    - Yes, WM8321GEFL/V supports adjustable output voltage.

  9. What is the standby current consumption of WM8321GEFL/V?
    - The standby current consumption of WM8321GEFL/V is typically 10µA.

  10. Is WM8321GEFL/V RoHS compliant?
    - Yes, WM8321GEFL/V is RoHS compliant.