BA178M10T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limit - Overcurrent protection - Reverse polarity protection

Package: TO-220

Essence: The BA178M10T is a voltage regulator IC that provides a stable and regulated output voltage. It is commonly used in electronic circuits to ensure a constant voltage supply to various components.

Packaging/Quantity: The BA178M10T is typically packaged in a TO-220 package, which is a widely used through-hole package for power devices. It is available in reels or tubes, with varying quantities depending on the manufacturer.

Specifications

• Input Voltage Range: 12V - 35V
• Output Voltage: 10V
• Output Current: Up to 1A
• Dropout Voltage: 2V (max)
• Quiescent Current: 5mA (typ)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The BA178M10T has three pins:

1. Input Pin (VIN): This pin is connected to the input voltage source.
2. Ground Pin (GND): This pin is connected to the ground reference of the circuit.
3. Output Pin (VOUT): This pin provides the regulated output voltage.

Functional Features

• Low Dropout Voltage: The BA178M10T has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 1A, the BA178M10T can provide sufficient power to drive various electronic components.
• Thermal Shutdown Protection: The IC incorporates a thermal shutdown feature that protects it from overheating by shutting down the output when the temperature exceeds a certain threshold.
• Short Circuit Current Limit: In case of a short circuit, the BA178M10T limits the output current to protect itself and the connected components.
• Overcurrent Protection: The IC also provides overcurrent protection, preventing excessive current flow through the circuit.
• Reverse Polarity Protection: The BA178M10T is designed to withstand reverse polarity connection, ensuring its safety and preventing damage.

Advantages and Disadvantages

Advantages: - Stable and regulated output voltage - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit and overcurrent protection - Reverse polarity protection

Disadvantages: - Limited output current (up to 1A) - Requires external capacitors for stability

Working Principles

The BA178M10T is based on a linear voltage regulator architecture. It utilizes a pass transistor to regulate the output voltage. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a constant output voltage. The internal circuitry monitors various parameters such as temperature, current, and voltage to ensure stable operation and protect against faults.

Detailed Application Field Plans

The BA178M10T can be used in various applications where a stable and regulated voltage supply is required. Some common application fields include:

1. Power Supply Units (PSUs): The IC can be used in PSUs to provide a regulated voltage to power electronic devices.
2. Automotive Electronics: It finds applications in automotive systems such as engine control units, infotainment systems, and lighting circuits.
3. Industrial Control Systems: The BA178M10T can be used in industrial control systems to regulate voltages for sensors, actuators, and other components.
4. Consumer Electronics: It is suitable for use in consumer electronics like audio amplifiers, televisions, and home appliances.

Detailed and Complete Alternative Models

1. LM317: A popular voltage regulator IC with adjustable output voltage.
2. L7805: A fixed 5V voltage regulator IC commonly used in electronic circuits.
3. LT1084: A high-current, low-dropout voltage regulator IC with adjustable output voltage.
4. LM1117: A low dropout voltage regulator IC available in various fixed output voltages.

These alternative models offer similar functionality to the BA178M10T and can be used as substitutes depending on specific requirements.

Word count: 529 words