TC962EOE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics: Low-power, high-efficiency
• Package: SOP-8 (Small Outline Package)
• Essence: Voltage converter with integrated power management features
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 1.5V to 16V
• Output Voltage Range: 1.25V to 16V
• Maximum Output Current: 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC962EOE IC has a total of 8 pins arranged as follows:

1. GND (Ground): Connected to the ground reference.
2. VDD (Power Supply): Connected to the positive supply voltage.
3. IN (Input): Receives the input voltage to be converted.
4. OUT (Output): Provides the converted output voltage.
5. SHDN (Shutdown): Controls the device's shutdown mode.
6. FB (Feedback): Connects to an external resistor divider for voltage regulation.
7. OSC (Oscillator): Connects to an external capacitor for frequency control.
8. COMP (Comparator): Output of the internal error amplifier.

Functional Features

• Integrated Power Management: The TC962EOE combines voltage conversion and power management functions into a single IC.
• Low-Power Operation: Consumes only 50µA of quiescent current, making it suitable for battery-powered applications.
• High Efficiency: The voltage conversion process is highly efficient, minimizing power losses.
• Shutdown Mode: The SHDN pin allows the device to enter a low-power shutdown state when not in use.
• Error Amplifier: The internal comparator provides accurate voltage regulation by comparing the feedback voltage with a reference.

Advantages and Disadvantages

Advantages: - Integrated power management features reduce the need for additional components. - Low quiescent current enables energy-efficient operation. - High efficiency minimizes power losses. - Shutdown mode enhances power savings during idle periods.

Disadvantages: - Limited maximum output current of 100mA may not be suitable for high-power applications. - Requires external resistor divider and capacitor for voltage regulation.

Working Principles

The TC962EOE operates as a voltage converter by utilizing an internal oscillator to generate a high-frequency signal. This signal is then fed into a power stage that converts the input voltage to the desired output voltage level. The feedback pin compares the output voltage with a reference, and the error amplifier adjusts the power stage accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The TC962EOE is commonly used in various applications, including:

1. Battery-Powered Devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the low-power operation and high efficiency of the TC962EOE.
2. Industrial Control Systems: The IC finds application in control systems that require voltage conversion and power management capabilities.
3. Automotive Electronics: The TC962EOE can be used in automotive applications, such as infotainment systems and dashboard displays, where efficient power management is crucial.

Detailed and Complete Alternative Models

1. LM2576: A popular alternative with higher output current capability.
2. LT1073: Offers similar functionality with adjustable output voltage.
3. MAX1682: Suitable for automotive applications with integrated protection features.

These alternative models provide similar voltage conversion and power management functionalities, but each has its own unique specifications and features.

In conclusion, the TC962EOE is a versatile voltage converter IC with integrated power management features. Its low-power operation, high efficiency, and compact package make it suitable for a wide range of applications. However, its limited maximum output current and the need for external components may be considered as drawbacks in certain scenarios.