Allicdata Part #: | MAX5978ETJ+-ND |
Manufacturer Part#: |
MAX5978ETJ+ |
Price: | $ 8.83 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC CTLR HOT-SWAP 32TQFN |
More Detail: | Hot Swap Controller, Monitor 1 Channel General Pur... |
DataSheet: | MAX5978ETJ+ Datasheet/PDF |
Quantity: | 2319 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | $ 8.02620 |
10 +: | $ 7.62489 |
25 +: | $ 5.55660 |
50 +: | $ 5.27877 |
100 +: | $ 3.72960 |
250 +: | $ 3.67086 |
Programmable Features: | Circuit Breaker, OVP, Slew Rate, UVLO |
Base Part Number: | MAX5978 |
Feature Pins: | /ALERT, BIAS, DREG, /FAULT, HWEN, IRNG, LED1, LED2, LED3, LED4, MON, ON, PG, POL, PROT, REG |
Supplier Device Package: | 32-TQFN-EP (5x5) |
Package / Case: | 32-WFQFN Exposed Pad |
Mounting Type: | Surface Mount |
Current - Supply: | 2.5mA |
Operating Temperature: | -40°C ~ 85°C |
Current - Output (Max): | -- |
Voltage - Supply: | 2.7 V ~ 16 V |
Series: | VariableSpeed/BiLevel™ |
Features: | I²C, Latched Fault |
Applications: | General Purpose |
Internal Switch(s): | No |
Number of Channels: | 1 |
Type: | Hot Swap Controller, Monitor |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tube |
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Power management integrated Circuit (PMIC) or controllers are employed in electronic systems ranging from small electronic devices to complex electronic equipment. Hot Swap Controllers falls under the category of PMICs and is used to control the power delivery to an attached load. The MAX5978ETJ+ is an I2C interfaced Hot Swap Controller that provides automatic load current monitoring, fault detection, and power sequencing for hot-pluggable loads. It allows the controlled power connection and disconnection of power supplies from an available power bus.
The MAX5978ETJ+ is an ideal solution for Hot Swap Applications wherever power supply sequencing, power fault detection, steady fault protection, and hot-pluggable load power connection management for 6V DC to 60V DC load power supplies is needed. It integrates an analog or digital current-sensing circuit and a precision reference with a 14-bit ADC. It also features push-button control logic enable and disable control lines.
MAX5978ETJ+ is available in multiple packages such as 4x4 TQFN, 4x3 DFN, and 5-Lead SOT23 packages. It has an operating temperature range of -40 °C to +125 °C. Its features like integrated power supply fault protection and sequencing, offer superior performance while minimizing circuit complexity and system cost.
Application Field
The MAX5978ETJ+ is widely employed in variety of industrial and consumer applications, such as industrial and medical robotic and automation systems, IoT powered data centers, network-attached power supplies, AC-DC, board-mounted power supplies, server and storage systems and many more.
Working Principle
The MAX5978ETJ+ operates with a differential current-sense circuit that is connected between the power sources and the load. When power is applied, the controller will unlock the gates of MOSFETs that connects to the load and will ramp up the current to the peak power-on current limit. Its differential sensing feature allows the controller to monitor both positive and negative current. Once the power-up is completed, the reference current control loop of the device adjusts the MOSFETs gate-drive voltage to precisely regulate the current draw.
The signals are filtered with high-frequency RC networks and routed to the I2C/CMOS/LVTTL compatible logic outputs. Thus it achieves power sequencing, Automatic power-on current limit, and input voltage and current protection. The precise current regulation is combined with temperature compensation and UVLO that allows precise current regulation during power-up, power-down, and short-term inrush loads.
The precise current regulation can be used to monitor the current and in respect to the reference current level, the device can enter a fault condition that can be used to identify any operate/hardware failures. The user can program the device with the I2C interface.
Conclusion
The MAX5978ETJ+ is a Hot Swap Controller IC with built-in protection on the output and finest control features. It enables the connection and disconnection of power supplies from an available power bus with least limitations. Power management is the most critical concern in the electronic circuits and systems, thus the MAX5978ETJ+ Hot Swap Controllers offer a great platform to achieve high-reliability power management conditions.
The specific data is subject to PDF, and the above content is for reference
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