Active-Semi International Inc.
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ACT8848QM112-T

ACT8848QM112-T

Product Overview

Category

ACT8848QM112-T belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management purposes.

Characteristics

  • High efficiency
  • Low power consumption
  • Compact size
  • Wide input voltage range
  • Multiple output channels

Package

ACT8848QM112-T is available in a small form factor package, typically a QFN (Quad Flat No-leads) package.

Essence

The essence of ACT8848QM112-T lies in its ability to efficiently regulate and distribute power within electronic devices.

Packaging/Quantity

ACT8848QM112-T is usually packaged in reels or trays, with a typical quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V - 5.5V
  • Output Voltage Range: 0.6V - 3.6V
  • Number of Output Channels: 4
  • Maximum Output Current: 1A per channel
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ACT8848QM112-T has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. VOUT1: Output voltage pin 1
  5. VOUT2: Output voltage pin 2
  6. VOUT3: Output voltage pin 3
  7. VOUT4: Output voltage pin 4
  8. FB1: Feedback pin 1
  9. FB2: Feedback pin 2
  10. FB3: Feedback pin 3
  11. FB4: Feedback pin 4
  12. PGND: Power ground pin
  13. SW1: Switching pin 1
  14. SW2: Switching pin 2
  15. SW3: Switching pin 3
  16. SW4: Switching pin 4
  17. BST: Boost pin
  18. SS: Soft-start pin
  19. PG: Power good pin
  20. VREF: Reference voltage pin

Functional Features

  • High efficiency power conversion
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for smooth power-up
  • Power good indicator
  • Adjustable output voltages

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Compact size allows for integration in space-constrained devices
  • Wide input voltage range provides flexibility in various applications
  • Multiple output channels enable powering different components simultaneously

Disadvantages

  • Limited maximum output current per channel (1A)
  • Operating temperature range may not be suitable for extreme environments

Working Principles

ACT8848QM112-T utilizes a combination of switching regulators, feedback control loops, and protection mechanisms to efficiently regulate and distribute power within electronic devices. The input voltage is converted to the desired output voltage levels using high-frequency switching techniques. Feedback control loops ensure accurate voltage regulation, while protection mechanisms safeguard against overcurrent and thermal issues.

Detailed Application Field Plans

ACT8848QM112-T finds application in a wide range of electronic devices, including but not limited to: - Smartphones - Tablets - Portable gaming consoles - Wearable devices - IoT (Internet of Things) devices

In these applications, ACT8848QM112-T provides efficient power management solutions, ensuring stable and reliable operation of the devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ACT8848QM112-T are: - ACT8846QM112-T - ACT8849QM112-T - ACT8850QM112-T

These models share similar characteristics, specifications, and pin configurations, making them suitable alternatives for various power management applications.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng ACT8848QM112-T trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of ACT8848QM112-T in technical solutions:

  1. Q: What is ACT8848QM112-T? A: ACT8848QM112-T is a power management IC (PMIC) designed for use in various technical solutions.

  2. Q: What are the key features of ACT8848QM112-T? A: Some key features of ACT8848QM112-T include multiple voltage regulators, power sequencing, fault protection, and I2C interface.

  3. Q: What technical solutions can ACT8848QM112-T be used in? A: ACT8848QM112-T can be used in a wide range of applications such as smartphones, tablets, portable devices, IoT devices, and industrial equipment.

  4. Q: How many voltage regulators does ACT8848QM112-T have? A: ACT8848QM112-T has multiple voltage regulators, typically including buck converters, boost converters, and LDOs.

  5. Q: Can ACT8848QM112-T handle power sequencing? A: Yes, ACT8848QM112-T supports power sequencing, allowing for proper startup and shutdown of different power domains.

  6. Q: Does ACT8848QM112-T provide any fault protection? A: Yes, ACT8848QM112-T offers various fault protection features like overvoltage protection, undervoltage lockout, and thermal shutdown.

  7. Q: How can I control ACT8848QM112-T? A: ACT8848QM112-T can be controlled through an I2C interface, enabling communication with a microcontroller or system processor.

  8. Q: What is the input voltage range supported by ACT8848QM112-T? A: ACT8848QM112-T typically supports an input voltage range of 2.7V to 5.5V.

  9. Q: Can ACT8848QM112-T operate in low-power modes? A: Yes, ACT8848QM112-T offers various low-power modes to optimize power consumption in different scenarios.

  10. Q: Is ACT8848QM112-T available in different package options? A: Yes, ACT8848QM112-T is available in various package options, such as QFN and WLCSP, to suit different design requirements.

Please note that the specific details and answers may vary depending on the datasheet and application notes provided by the manufacturer.