LTC2917CMS-B1#PBF

Product Overview

Category

LTC2917CMS-B1#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and power supply sequencing applications.

Characteristics

• Voltage monitoring: LTC2917CMS-B1#PBF provides accurate monitoring of multiple input voltages.
• Power supply sequencing: It ensures proper power-up and power-down sequencing of various components in a system.
• Package: The LTC2917CMS-B1#PBF comes in a small MSOP-10 package, making it suitable for space-constrained designs.
• Essence: This IC offers precise voltage monitoring and sequencing capabilities, enhancing the reliability and performance of electronic systems.
• Packaging/Quantity: The LTC2917CMS-B1#PBF is typically available in reels with a quantity of 2500 units per reel.

Specifications

The LTC2917CMS-B1#PBF has the following specifications:

• Input Voltage Range: 2.7V to 5.5V
• Number of Inputs: 8
• Threshold Accuracy: ±1.5%
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 20µA (typical)
• Output Type: Open-drain
• Fault Detection Timeout: Adjustable from 1ms to 64s

Detailed Pin Configuration

The LTC2917CMS-B1#PBF features a compact MSOP-10 package with the following pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. IN1: Input voltage 1
4. IN2: Input voltage 2
5. IN3: Input voltage 3
6. IN4: Input voltage 4
7. IN5: Input voltage 5
8. IN6: Input voltage 6
9. IN7: Input voltage 7
10. IN8: Input voltage 8

Functional Features

The LTC2917CMS-B1#PBF offers the following functional features:

• Accurate Voltage Monitoring: It provides precise monitoring of input voltages, ensuring system stability and preventing potential damage.
• Power Supply Sequencing: The IC enables controlled power-up and power-down sequencing of multiple components, avoiding voltage conflicts and improving system reliability.
• Adjustable Fault Detection Timeout: The fault detection timeout can be adjusted according to specific application requirements, allowing flexibility in response time.

Advantages and Disadvantages

Advantages

• Precise voltage monitoring for enhanced system reliability.
• Power supply sequencing capability for controlled power-up and power-down.
• Adjustable fault detection timeout for flexible response time.
• Compact package suitable for space-constrained designs.

Disadvantages

• Limited number of input voltage channels (8 inputs).
• Requires external components for complete functionality.

Working Principles

The LTC2917CMS-B1#PBF operates based on a voltage comparator principle. It compares the input voltages with internally set thresholds and generates corresponding output signals. These output signals can be used for voltage monitoring or power supply sequencing purposes.

Detailed Application Field Plans

The LTC2917CMS-B1#PBF finds applications in various electronic systems where voltage monitoring and power supply sequencing are critical. Some specific application fields include:

1. Industrial Control Systems: Ensuring proper power-up sequencing of control modules and preventing voltage conflicts.
2. Telecommunications Equipment: Monitoring voltage levels in power supply circuits and triggering alarms in case of deviations.
3. Automotive Electronics: Sequencing power supply to different vehicle subsystems during startup and shutdown processes.
4. Medical Devices: Monitoring battery voltage levels and initiating appropriate actions when thresholds are reached.
5. Consumer Electronics: Managing power supply sequencing in audio/video equipment, preventing damage to sensitive components.

Detailed and Complete Alternative Models

1. LTC2918CMS-B1#PBF: Similar to LTC2917CMS-B1#PBF but with 16 input voltage channels.
2. MAX16050GTM+: Voltage monitor and sequencer IC with adjustable thresholds and 10 input channels.
3. TPS3890QDBVRQ1: Automotive-grade voltage supervisor with adjustable threshold and power-on reset delay.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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