Allicdata Part #: | LTC4358IDE-ND |
Manufacturer Part#: |
LTC4358IDE |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC POWER MANAGEMENT |
More Detail: | OR Controller N+1 ORing Controller N-Channel N:1 1... |
DataSheet: | LTC4358IDE Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Part Status: | Obsolete |
Type: | N+1 ORing Controller |
FET Type: | N-Channel |
Ratio - Input:Output: | N:1 |
Internal Switch(s): | Yes |
Delay Time - ON: | 200µs |
Delay Time - OFF: | 300ns |
Current - Output (Max): | 5A |
Current - Supply: | 600µA |
Voltage - Supply: | 9 V ~ 26.5 V |
Applications: | N+1 Power Supplies, High Availability |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 14-WFDFN Exposed Pad |
Supplier Device Package: | 14-DFN (4x3) |
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The LTC4358 is a high side current-sense circuit with an over-temperature and over-current protection IC, ideal for systems where precise current sensing is required. This device is exceptionally useful in systems where maximum power distribution needs to be maintained, such as power supplies, DC-DC converters and motor drives. The current sense circuit can monitor both current and temperature, which can be used for diagnostics, over-current, or over-temperature protection. The device is composed of two four-channel MOSFET drivers which can be configured for single-ended or differential output.
MOSFET drivers are the key element of modern power distribution systems and the LTC4358 provides an ideal solution. It is an extremely reliable device that can be used in many applications, allowing precise current sensing and controlling. The over-current and over-temperature protection are very useful in protecting the system against short-circuits or over-heating.
The LTC4358 is designed for use in a wide range of systems such as power supplies, DC-DC converters and motor drives. It can operate with voltages as low as 9V and up to 24V. It has adjustable overload settings from -50mV to +200mV, with maximum current of 4A. The device also offers a wide range of current sensing options, from 4A to 40A. It includes an internal thermal shutdown at +150°C.
The LTC4358 is available in two versions – the LTC4358IDE, which is a single-ended version, and the LTC4358IDD, which is a differential version. The single-ended version offers a single-channel output with a typical operating voltage range of 9V to 24V and an overload limit between -50mV and +200mV. The differential version offers a differential output, with a typical operating voltage range of 9V to 24V and an overload limit between -50mV and +200mV. Both versions can be used with up to 4A of current.
The LTC4358IDE is used in a variety of applications, such as automotive, medical, industrial, and consumer. It is an ideal choice for systems where precise current sensing is required. It can be used in power supplies, DC-DC converters, brushless DC motor drivers and stepper motor drivers.
The working principle of LTC4358IDE is based on measuring the voltage across a sense resistor. When the sense resistor is used in series with a current source, the voltage across the resistor is proportional to the current. The LTC4358IDE measures the voltage between its positive and negative inputs and uses the voltage information to determine the current flowing through the sense resistor. It then uses this data to control the gate of the power MOSFET, allowing MOSFETs to be quickly switched on and off as needed to control the current.
The LTC4358IDE also has an Over-Temperature and Over-Current protection feature. The Over-Temperature protection prevents system overheating by shutting down the MOSFETs if the IC temperature reaches its maximum limit. The Over-Current protection prevents excessive current from flowing in the system by limiting the current level to a defined maximum.
In summary, the LTC4358IDE is an ideal device for applications requiring precise current sensing and control. It is a reliable and robust device that can handle up to 24V and 4A of current. It offers Over-Current and Over-Temperature protection, making it well suited for applications such as power supplies, DC-DC converters, and motor drivers.
The specific data is subject to PDF, and the above content is for reference
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