LTC4376HDHD#PBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Voltage Ideal Diode Controller
• Package: HDHD#PBF (High-Density Dual Flat No-Lead Package)
• Essence: Controls the flow of current in a power management system
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on order size

Specifications

• Input Voltage Range: 2.9V to 60V
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 50µA
• Maximum Output Current: 10A
• Reverse Current Protection Threshold: 5mA
• Fault Flag Delay: 1ms

Detailed Pin Configuration

The LTC4376HDHD#PBF has the following pin configuration:

1. GATE1: Gate control for channel 1
2. SOURCE1: Source terminal for channel 1
3. VCC: Supply voltage input
4. GND: Ground reference
5. GATE2: Gate control for channel 2
6. SOURCE2: Source terminal for channel 2
7. FLT: Fault flag output
8. REF: Reference voltage output

Functional Features

• Controls the forward voltage drop across an ideal diode
• Provides reverse current protection
• Enables load sharing between multiple power sources
• Offers fault flag indication for overcurrent or reverse current conditions
• Supports hot-swapping of power sources

Advantages and Disadvantages

Advantages: - Efficient power management solution - Enables seamless switching between power sources - Protects against reverse current flow - Compact package size

Disadvantages: - Limited maximum output current (10A) - Requires external components for complete functionality

Working Principles

The LTC4376HDHD#PBF is a high voltage ideal diode controller that allows for the seamless switching between multiple power sources. It controls the forward voltage drop across an ideal diode, ensuring that the load receives power from the highest voltage source. The device also provides reverse current protection, preventing current flow in the opposite direction.

When multiple power sources are connected, the LTC4376HDHD#PBF enables load sharing by dynamically adjusting the current distribution between the sources. It continuously monitors the input voltages and adjusts the gate control signals to maintain a balanced load sharing.

The fault flag output indicates any overcurrent or reverse current conditions, allowing for timely detection and troubleshooting of potential issues. The device supports hot-swapping of power sources, enabling smooth transitions without interrupting the power supply to the load.

Detailed Application Field Plans

The LTC4376HDHD#PBF finds applications in various fields, including:

1. Power supply redundancy systems
2. Battery backup systems
3. Industrial automation equipment
4. Telecommunications infrastructure
5. Automotive electronics
6. Renewable energy systems

In these applications, the LTC4376HDHD#PBF ensures reliable and efficient power management, protecting the load from reverse current flow and enabling seamless switching between power sources.

Detailed and Complete Alternative Models

1. LTC4370: High Voltage Ideal Diode Controller with Adjustable Current Limit
2. LTC4357: Dual Ideal Diode OR Controller
3. LTC4412: Low Loss PowerPath Controller

These alternative models offer similar functionality to the LTC4376HDHD#PBF and can be considered as alternatives based on specific requirements and design constraints.

Word count: 439 words