Allicdata Part #: | SC4250HISTRT-ND |
Manufacturer Part#: |
SC4250HISTRT |
Price: | $ 0.80 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Semtech Corporation |
Short Description: | IC CTLR HOT SWAP NEG VOLT 8SOIC |
More Detail: | Hot Swap Controller 1 Channel -48V 8-SO |
DataSheet: | SC4250HISTRT Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
2500 +: | $ 0.72293 |
Features: | Auto Retry, Fault Timeout |
Feature Pins: | DRAIN, OV, PWRGD, UV |
Supplier Device Package: | 8-SO |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Mounting Type: | Surface Mount |
Current - Supply: | 3mA |
Operating Temperature: | -40°C ~ 125°C |
Current - Output (Max): | -- |
Voltage - Supply: | 10 V ~ 80 V |
Programmable Features: | OVP, Slew Rate, UVLO |
Series: | -- |
Applications: | -48V |
Internal Switch(s): | No |
Number of Channels: | 1 |
Type: | Hot Swap Controller |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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PMIC - Hot Swap Controllers
The SC4250HISTRT is a hot swap controller that belongs to the range of power management integrated circuits (PMICs) by Semtech. It offers 3.6A continuous load current rating and a wide input voltage range of 0.9V to 28V which makes the controller suitable for various applications. It is designed for protection, inrush current limiting and fault detection of off-line modules inserted into a host system.
Application Field
The SC4250HISTRT is an ideal PMIC solution for a wide variety of applications such as power supplies, battery chargers, automotive, automotive networks, server and cloud computing, industrial, end equipment, and more. In particular, this controller is used in applications such as medical portable electronics, automotive systems and portable electronic systems. It features an adjustable load current limit and an adjustable inrush current to the load.
Working Principle
The SC4250HISTRT hot swap controller operates off a single-voltage supply and provides protection to regulated power supplies and hot swappable loads. The controller is designed to work with a power supply or load supply that is capable of providing regulated voltage. The input voltage is monitored and upon detector of an over-voltage condition, the controller shuts down the output, protecting both the power supply and the load. The controller is also capable of detecting an over-current condition and, upon detection, shuts down the output. The controller can also detect an under-voltage condition and, upon detection, shuts down the output.
The controller has a low-side power MOSFET, which is controlled by the hot swap controller. The load is protected against over-voltage, over-current and under-voltage conditions. The over-voltage and over-current conditions are detected using an internal comparator. The under-voltage condition is detected using an internal low-level detect circuit. The output of the controller is connected directly to the load and when an over-voltage, over-current or under-voltage is detected, the controller shuts down the load.
The SC4250HISTRT hot swap controller also features an adjustable load current limit and an adjustable inrush current limit. The current limit can be adjusted up to 3.6A and the inrush current limit can be adjusted up to 200A. The controller also has a programmable fault response time and a programmable Fault Door Delay. The Fault Door Delay can be set to up to 10sec and programmed in 0.64ms increments.
Features and Benefits
The SC4250HISTRT hot swap controller offers several features and benefits for applications such as medical portable electronics, automotive systems and portable electronic systems:
- Wide input voltage range (0.9V to 28V)
- Continuous load current rating up to 3.6A
- Adjustable load current limit and adjustable inrush current limit
- Programmable fault response time
- Programmable Fault Door Delay up to 10sec in 0.64ms increments
- Protection against over-voltage, over-current and under-voltage conditions
- Low-side power MOSFET to control the load current
The SC4250HISTRT hot swap controller is a cost-effective PMIC solution for applications such as medical portable electronics, automotive systems and portable electronic systems, making it an excellent choice for designers who need an efficient and reliable PMIC solution.
The specific data is subject to PDF, and the above content is for reference
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