MIC2981/82BN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Distribution Switch
• Characteristics: High-side, Low-side, 8-channel, Open Drain Output
• Package: DIP-18, SOIC-18
• Essence: Efficient power distribution and control
• Packaging/Quantity: Tube, Reel (2500 pieces)

Specifications

• Supply Voltage: 4.5V to 50V
• Output Current: 500mA per channel
• Input Voltage Range: -0.3V to Vcc + 0.3V
• Operating Temperature: -40°C to +85°C
• Quiescent Current: 2.5mA (max)
• Propagation Delay: 100ns (typical)

Detailed Pin Configuration

The MIC2981/82BN has a total of 18 pins, which are as follows:

1. IN1: Input for Channel 1
2. OUT1: Output for Channel 1
3. GND: Ground
4. IN2: Input for Channel 2
5. OUT2: Output for Channel 2
6. IN3: Input for Channel 3
7. OUT3: Output for Channel 3
8. IN4: Input for Channel 4
9. OUT4: Output for Channel 4
10. IN5: Input for Channel 5
11. OUT5: Output for Channel 5
12. IN6: Input for Channel 6
13. OUT6: Output for Channel 6
14. IN7: Input for Channel 7
15. OUT7: Output for Channel 7
16. IN8: Input for Channel 8
17. OUT8: Output for Channel 8
18. Vcc: Supply Voltage

Functional Features

• High-side and low-side power distribution switch
• Open drain outputs for easy interfacing with other devices
• Independent control of each channel
• Overcurrent protection
• Thermal shutdown protection
• Low quiescent current
• Fast propagation delay for quick response

Advantages and Disadvantages

Advantages: - Efficient power distribution and control - Independent control of each channel allows flexibility in system design - Overcurrent and thermal shutdown protection ensure device safety - Low quiescent current minimizes power consumption - Fast propagation delay enables quick response times

Disadvantages: - Limited output current per channel (500mA) - Restricted input voltage range (-0.3V to Vcc + 0.3V)

Working Principles

The MIC2981/82BN is designed to efficiently distribute and control power in a system. It can be used as a high-side or low-side switch, depending on the application requirements. The device features open drain outputs, which allow easy interfacing with other devices.

Each channel of the MIC2981/82BN can be independently controlled, providing flexibility in system design. The IC incorporates overcurrent protection, which safeguards against excessive current flow. Additionally, it includes thermal shutdown protection to prevent overheating.

The MIC2981/82BN operates with a low quiescent current, minimizing power consumption when not actively switching. Its fast propagation delay ensures quick response times, making it suitable for applications that require rapid power distribution and control.

Detailed Application Field Plans

The MIC2981/82BN finds applications in various fields, including:

1. Industrial automation systems
2. Robotics
3. Automotive electronics
4. Power management systems
5. Home automation
6. Internet of Things (IoT) devices
7. Medical equipment
8. Consumer electronics

Detailed and Complete Alternative Models

1. MIC2981/82-1BN: 8-channel power distribution switch with active-high outputs
2. MIC2981/82-2BN: 8-channel power distribution switch with active-low outputs
3. MIC2981/82CN: 8-channel power distribution switch in a smaller package (SOIC-16)
4. MIC2981/82DN: 8-channel power distribution switch with higher output current (1A per channel)

These alternative models offer similar functionality to the MIC2981/82BN but may have different pin configurations, package options, or additional features.

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