ACT8941AQJ465-T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: QFN (Quad Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Maximum Output Current: 4A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ACT8941AQJ465-T has a total of 24 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. EN: Enable Pin
3. PGND: Power Ground
4. SW: Switching Node
5. LX: Inductor Connection
6. FB: Feedback Pin
7. SS/TR: Soft-Start/Tracking Pin
8. VCC: Internal Regulator Output
9. AGND: Analog Ground
10. VREF: Reference Voltage Output
11. ISET: Current Limit Setting
12. BST: Bootstrap Capacitor Connection
13. PGND: Power Ground
14. PGND: Power Ground
15. PGND: Power Ground
16. PGND: Power Ground
17. PGND: Power Ground
18. PGND: Power Ground
19. PGND: Power Ground
20. PGND: Power Ground
21. PGND: Power Ground
22. PGND: Power Ground
23. PGND: Power Ground
24. PGND: Power Ground

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Low power consumption extends battery life.
• Integrated protection features such as overcurrent and thermal shutdown.
• Soft-start and tracking functionality for smooth power-up and voltage sequencing.

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings. - Wide input voltage range allows for flexibility in power source selection. - Compact package size enables space-saving designs. - Integrated protection features enhance system reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The ACT8941AQJ465-T is a voltage regulator IC that converts the input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output. The integrated control circuitry ensures proper operation and protection against fault conditions.

Detailed Application Field Plans

The ACT8941AQJ465-T is commonly used in various applications, including but not limited to:

1. Portable electronic devices: Provides efficient power management for smartphones, tablets, and portable media players.
2. IoT (Internet of Things) devices: Enables reliable power supply for connected devices in smart homes, industrial automation, and healthcare monitoring systems.
3. Wearable devices: Optimizes power consumption in fitness trackers, smartwatches, and other wearable gadgets.
4. Battery-powered systems: Regulates voltage in battery-operated devices such as wireless sensors, remote controls, and handheld instruments.

Detailed and Complete Alternative Models

1. ACT8942BQJ465-T
2. ACT8943CQJ465-T
3. ACT8944DQJ465-T
4. ACT8945EQJ465-T
5. ACT8946FQJ465-T

These alternative models offer similar functionality and characteristics, providing options for different power requirements and package sizes.

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