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LTC4252CIMS-1#PBF
Product Overview
Category
The LTC4252CIMS-1#PBF belongs to the category of integrated circuits (ICs) used in power management.
Use
This IC is primarily used for hot-swappable, dual-channel power management applications.
Characteristics
- Hot-swap controller with dual channels
- Supports 2.9V to 15V input voltage range
- Provides adjustable current limit and fault timer
- Offers undervoltage lockout protection
- Features thermal shutdown protection
- Utilizes I²C interface for control and monitoring
Package
The LTC4252CIMS-1#PBF comes in a small MSOP-10 package.
Essence
The essence of LTC4252CIMS-1#PBF lies in its ability to facilitate safe and efficient hot-swapping of power sources in dual-channel systems.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 2.9V to 15V
- Operating Temperature Range: -40°C to 85°C
- Fault Timer Range: 0ms to 1024ms
- Current Limit Range: 0A to 3.5A
- I²C Address Range: 0x20 to 0x27
Detailed Pin Configuration
The LTC4252CIMS-1#PBF has the following pin configuration:
- VCC1: Power supply for channel 1
- GND1: Ground for channel 1
- FLT1: Fault output for channel 1
- SDA: I²C data line
- SCL: I²C clock line
- FLT2: Fault output for channel 2
- GND2: Ground for channel 2
- VCC2: Power supply for channel 2
- ILIM2: Current limit setting for channel 2
- ILIM1: Current limit setting for channel 1
Functional Features
- Dual-channel hot-swap controller
- I²C interface for control and monitoring
- Adjustable current limit and fault timer
- Undervoltage lockout protection
- Thermal shutdown protection
Advantages and Disadvantages
Advantages
- Enables safe hot-swapping of power sources
- Provides precise current limit control
- Offers fault detection and reporting
- Allows remote monitoring and control via I²C interface
Disadvantages
- Limited to dual-channel applications
- Requires additional external components for complete functionality
Working Principles
The LTC4252CIMS-1#PBF operates by monitoring the input voltage and current during the hot-swapping process. It uses the I²C interface to communicate with a microcontroller or system controller, allowing for real-time monitoring and control. The adjustable current limit and fault timer settings ensure safe operation by protecting against excessive current and prolonged faults.
Detailed Application Field Plans
The LTC4252CIMS-1#PBF finds application in various fields, including: 1. Server power supplies 2. Networking equipment 3. Industrial automation systems 4. Telecommunications infrastructure 5. Data storage systems
Detailed and Complete Alternative Models
- LTC4252A: Single-channel hot-swap controller
- LTC4252B: Dual-channel hot-swap controller with different pin configuration
- LTC4252D: Dual-channel hot-swap controller with extended temperature range
These alternative models offer similar functionality but may have variations in features, pin configuration, or operating specifications.
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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng LTC4252CIMS-1#PBF sa mga teknikal na solusyon
Sure! Here are 10 common questions and answers related to the application of LTC4252CIMS-1#PBF in technical solutions:
Q1: What is LTC4252CIMS-1#PBF? A1: LTC4252CIMS-1#PBF is a specific model number for a power sourcing equipment (PSE) controller IC manufactured by Linear Technology (now part of Analog Devices). It is used in Power over Ethernet (PoE) applications.
Q2: What is the purpose of LTC4252CIMS-1#PBF? A2: The purpose of LTC4252CIMS-1#PBF is to provide power and control functions for PoE systems. It enables the delivery of power over Ethernet cables to devices such as IP cameras, wireless access points, and VoIP phones.
Q3: What are the key features of LTC4252CIMS-1#PBF? A3: Some key features of LTC4252CIMS-1#PBF include IEEE 802.3af compliance, integrated detection and classification, programmable current limit, thermal shutdown protection, and support for both 10/100Mbps and Gigabit Ethernet.
Q4: How does LTC4252CIMS-1#PBF detect and classify powered devices? A4: LTC4252CIMS-1#PBF uses a proprietary detection algorithm to identify whether a connected device is compatible with PoE. It also performs classification to determine the power requirements of the device.
Q5: Can LTC4252CIMS-1#PBF be used in both 10/100Mbps and Gigabit Ethernet applications? A5: Yes, LTC4252CIMS-1#PBF is designed to support both 10/100Mbps and Gigabit Ethernet. It can be used in various PoE applications regardless of the Ethernet speed.
Q6: What is the maximum current limit that can be programmed with LTC4252CIMS-1#PBF? A6: The maximum current limit that can be programmed with LTC4252CIMS-1#PBF is typically 400mA. However, it may vary depending on the specific implementation and external components used.
Q7: Does LTC4252CIMS-1#PBF provide any protection features? A7: Yes, LTC4252CIMS-1#PBF includes thermal shutdown protection to prevent overheating. It also has built-in fault detection and reporting mechanisms to ensure safe operation of the PoE system.
Q8: Can LTC4252CIMS-1#PBF be used in non-PoE applications? A8: While LTC4252CIMS-1#PBF is primarily designed for PoE applications, it can also be used in non-PoE applications where power sourcing and control functions are required.
Q9: What is the operating voltage range of LTC4252CIMS-1#PBF? A9: The operating voltage range of LTC4252CIMS-1#PBF is typically between 36V and 57V, which is suitable for most PoE systems.
Q10: Is LTC4252CIMS-1#PBF a surface-mount device (SMD)? A10: Yes, LTC4252CIMS-1#PBF is a surface-mount device (SMD) packaged in a small outline integrated circuit (SOIC) package. It is suitable for automated assembly processes.
Please note that these answers are general and may vary based on the specific implementation and requirements of your technical solution.