Allicdata Part #: | LTC1645CS#PBF-ND |
Manufacturer Part#: |
LTC1645CS#PBF |
Price: | $ 4.89 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC CTLR HOT SWAP SEQ DUAL 14SOIC |
More Detail: | Hot Swap Controller, Sequencer 2 Channel General P... |
DataSheet: | LTC1645CS#PBF Datasheet/PDF |
Quantity: | 112 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 4.44150 |
25 +: | $ 2.94815 |
100 +: | $ 2.28123 |
Series: | -- |
Packaging: | Tube |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Hot Swap Controller, Sequencer |
Number of Channels: | 2 |
Internal Switch(s): | No |
Applications: | General Purpose |
Features: | UVLO |
Programmable Features: | Auto Retry, Circuit Breaker, Fault Timeout, Latched Fault, Slew Rate |
Voltage - Supply: | 1.2 V ~ 12 V |
Current - Output (Max): | -- |
Operating Temperature: | 0°C ~ 70°C |
Current - Supply: | 1.1mA |
Mounting Type: | Surface Mount |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 14-SOIC |
Feature Pins: | COMP+, COMPOUT, /FAULT, FB, ON, /RESET, TIMER |
Base Part Number: | LTC1645 |
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PMIC, or Power Management Integrated Circuits, are widely used to make highly sophisticated hardware designs possible. They are widely used within a wide range of different application fields, such as lighting, robotics, automotive, power management, and communications. Hot Swap Controllers are a type of PMICs that are used to make energy-efficient electronic products and are especially suited for applications that require frequent power cycling or rapid current/voltage regulation. One example of such a PMIC is the LTC1645CS#PBF, a high-performance Hot Swap Controller.
The LTC1645CS#PBF is specially designed for applications where fast and accurate power supply is required. It features a very low on-resistance of 0.3 ohms, a very low start-up current of 5 mA and low power consumption (3.3V @ 0.05mW) . It is well-suited for applications operating in a very wide temperature range, thanks to its built-in thermal compensation. It also offers a wide range of fault and warning conditions to protect against over-current and over-voltage events.
The main function of Hot Swap Controllers such as the LTC1645CS#PBF is to provide a steady, reliable source of power while protecting the device from the sudden, unpredictable surges and drops in voltage that can damage it. Its main components are: a power switch, a control logic circuit, a current-sensing transistor, and a voltage-clamping circuit. The power switch serves as the main switching element that enables and disables the flow of current. This switch is usually implemented as a MOSFET transistor since these are more reliable and have lower resistance. The control logic circuit serves to monitor the voltage and current, and to generate and control the on/off signals for the power switch.
The current-sensing transistor is an important part of the LTC1645CS#PBF which controls the Vcc pin of the device. This transistor monitors the current across the power switch and outputs a voltage proportional to the current sensed. The voltage-clamping circuit, which is connected to the power switch, helps to protect the device from over-voltage, contributing to its overall reliability. In summary, the LTC1645CS#PBF Hot Swap Controller is a powerful and reliable solution for providing reliable and efficient power to a device, while protecting it from sudden and potentially dangerous voltage spikes.
The specific data is subject to PDF, and the above content is for reference
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