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MAX5943AEEE+T
+BOMIC OR CTRLR N+1 16QSOP
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ManufacturerAnalog Devices Inc./Maxim Integrated
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Mfr. Part #MAX5943AEEE+T
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Datasheet MAX5943AEEE+T DataSheet
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Package QSOP-16
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In Stock6904
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| Type | N+1 ORing Controller |
| FETType | N-Channel |
| Ratio-Input:Output | N:1 |
| InternalSwitch(s) | No |
| DelayTime-OFF | 100 ns |
| Current-Supply | 1.3 mA |
| Voltage-Supply | 7.5V ~ 37V |
| Applications | FireWire® |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-SSOP (0.154, 3.90mm Width) |
Overview
Description
Key features of the MAX5943AEEE+T include detection and classification, which ensure the proper identification and power classification of the device in compliance with IEEE 802.3af standards. The IC also provides integrated power switches, current limiting, and inrush current control to protect connected devices from power surges and ensure stable power supply initiation.
Housed in a thermally efficient QSOP-16 package, the MAX5943AEEE+T is designed for easy integration into compact systems. The device supports thermal protection and undervoltage lockout, adding layers of safety and reliability. By minimizing external components, it simplifies design and reduces overall system cost, making it an ideal choice for developers working on PoE-enabled products.
Equivalent
1. TPS2378 by Texas Instruments
2. LTC4267 by Analog Devices
3. Si3402-B by Silicon Labs
4. RT9801 by Richtek Technology
These alternatives offer similar functionality but be sure to check their specific features and pin compatibility to ensure suitability for your application.
Features
1. Hot-Swap Controller: Manages power-up and power-down sequences to prevent damage.
2. Current Limiting: Provides adjustable current limiting to protect against overloads.
3. Fault Protection: Includes a fault management system that protects against overcurrent, undervoltage, and overvoltage conditions.
4. Power-Good Signal: Offers a power-good signal to indicate when output voltage levels are within specifications.
5. Under-Voltage Lockout (UVLO): Ensures the device is only operational when the supply voltage is above a certain threshold.
6. Automotive and Industrial Applications: Suitable for applications requiring robust power management under varying conditions.
7. Thermal Protection: Includes thermal shutdown to prevent damage from overheating.
8. Surface-Mount Package: Available in a compact, surface-mount package for ease of integration.
These features make the MAX5943AEEE+T ideal for maintaining system stability and reliability in environments where modules need to be hot-swapped.
Pinout
Given its role, the MAX5943AEEE+T manages power delivery and ensures safe and efficient power distribution over Ethernet cables by negotiating the power requirements with Power Sourcing Equipment (PSE). Its integrated features help in maintaining the correct power levels and protecting against faults.