LTC2960HDC-2

Product Overview

Category

The LTC2960HDC-2 belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power supply monitoring and protection in various electronic devices and systems.

Characteristics

• The LTC2960HDC-2 is a highly accurate power monitor with an integrated comparator.
• It operates over a wide voltage range, making it suitable for diverse applications.
• This IC offers precise measurement of input voltage, output voltage, and load current.
• It provides configurable undervoltage and overvoltage thresholds for power supply protection.
• The LTC2960HDC-2 features a built-in 10-bit ADC for accurate voltage and current measurements.
• It has a low quiescent current, enabling efficient power management.

Package and Quantity

The LTC2960HDC-2 is available in a 12-pin, 3mm x 3mm DFN (Dual Flat No-Lead) package. It is typically sold in reels containing 250 units.

Specifications

• Input Voltage Range: 2.7V to 100V
• Supply Current: 20µA (typical)
• Operating Temperature Range: -40°C to 85°C
• Output Voltage Measurement Accuracy: ±1%
• Load Current Measurement Accuracy: ±1%
• Comparator Threshold Accuracy: ±1%

Pin Configuration

The LTC2960HDC-2 has the following pin configuration:

```

---

| | --| VIN+ VIN- |-- --| VOUT GND |-- --| ILOAD VREF |-- |_______________| ```

• VIN+: Positive input voltage pin
• VIN-: Negative input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• ILOAD: Load current measurement pin
• VREF: Reference voltage output pin

Functional Features

1. Accurate Power Monitoring: The LTC2960HDC-2 provides precise measurements of input voltage, output voltage, and load current, enabling accurate power monitoring in various applications.

2. Power Supply Protection: With configurable undervoltage and overvoltage thresholds, this IC ensures reliable power supply protection by triggering appropriate actions when the voltage exceeds or falls below the set limits.

3. Integrated Comparator: The built-in comparator allows for easy implementation of power supply fault detection and signaling, facilitating timely response to abnormal voltage conditions.

4. Low Quiescent Current: The low quiescent current of the LTC2960HDC-2 minimizes power consumption, making it suitable for battery-powered devices and energy-efficient systems.

Advantages and Disadvantages

Advantages

• High accuracy in voltage and current measurements
• Wide operating voltage range
• Configurable undervoltage and overvoltage thresholds
• Integrated comparator for fault detection
• Low quiescent current for efficient power management

Disadvantages

• Limited package options
• Requires external components for complete power supply protection

Working Principles

The LTC2960HDC-2 operates by continuously monitoring the input and output voltages as well as the load current. It compares these values with the user-configured thresholds to detect any deviations. When a threshold is crossed, the integrated comparator triggers an action, such as generating an interrupt or shutting down the power supply, to protect the system from potential damage.

Application Field Plans

The LTC2960HDC-2 finds applications in various fields, including:

1. Industrial Automation: It can be used in power supply monitoring and protection circuits for industrial control systems, ensuring stable and reliable operation.

2. Telecommunications: The LTC2960HDC-2 is suitable for monitoring power supplies in telecommunications equipment, preventing voltage fluctuations that could disrupt communication.

3. Automotive Electronics: It can be employed in automotive systems to monitor and protect power supplies, enhancing the safety and reliability of critical components.

4. Renewable Energy Systems: This IC can be utilized in solar power systems and wind turbines to monitor and regulate the power supply, optimizing energy conversion efficiency.

Alternative Models

1. LTC2960HDC-1: Similar to LTC2960HDC-2 but with a different package option (8-pin SOIC).
2. LTC2960HDC-3: A higher accuracy version of LTC2960HDC-2 with improved measurement precision.
3. LTC2960HDC-4: An enhanced variant with additional features like temperature monitoring and fault logging.

These alternative models provide similar functionality to the LTC2960HDC-2 while offering specific advantages based on the requirements of the application.

In conclusion, the LTC2960HDC-2 is a highly accurate power monitor IC with integrated