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TPS2378DDAR
+BOMIC POE CNTRL 1 CHANNEL 8SOPWR
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ManufacturerTexas Instruments
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Mfr. Part #TPS2378DDAR
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Package HSOIC (DDA)-8
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In Stock4582
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Controller (PD) |
| NumberofChannels | 1 |
| Power-Max | 25.5 W |
| InternalSwitch(s) | Yes |
| AuxiliarySense | Yes |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Voltage-Supply | 0V ~ 57V |
| Current-Supply | 285µA |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Overview
Description
Key features of the TPS2378 include detection and classification circuitry, which ensures compatibility with PoE power sourcing equipment (PSE). It also provides a 100V pass FET and supports high-efficiency power conversion when paired with an appropriate DC-DC converter. The controller includes protection features such as thermal shutdown and current limiting to enhance reliability and safety.
The TPS2378DDAR comes in a small outline package, making it suitable for compact designs. Its flexibility and robust performance make it a popular choice for engineers looking to implement PoE in their systems. Overall, the TPS2378DDAR is a versatile solution for enabling Ethernet-powered devices.
Equivalent
1. LTC4267 from Analog Devices
2. MAX5969A from Maxim Integrated
3. Si3402-B from Silicon Labs
4. NCP1095 from ON Semiconductor
These alternatives offer similar functionality for PoE applications but ensure compatibility with your specific design requirements and specifications.
Features
1. Compliance: Supports IEEE 802.3at PoE standards, allowing for both Type 1 (PoE) and Type 2 (PoE+) power levels.
2. High Efficiency: Offers a high-efficiency, integrated DC-DC converter controller supporting various topologies (isolated and non-isolated), optimizing power conversion.
3. Power Management: Features include automatic MPS (Maintain Power Signature), inrush current limiting, and thermal shutdown protection to ensure safe operation.
4. Wide Input Voltage: Operates over a wide input voltage range, accommodating different power sourcing equipment.
5. Programmable Features: Includes programmable classification and current limit settings to tailor the device for specific application needs.
6. Protection: Equipped with over-temperature and over-current protection mechanisms to enhance reliability and safety.
7. Compact Package: Built in a small, thermally efficient package (HVSSOP-16), suitable for compact designs.
8. Applications: Ideal for IP cameras, VoIP phones, wireless access points, and other PoE-based devices.
These features make it a versatile choice for developers looking to implement efficient and reliable PoE solutions.
Pinout
The TPS2378DDAR comes in a 10-pin package. Its primary functions include:
1. PoE Interface: Provides a complete PoE interface to connect with Ethernet cables, allowing the device to receive power through the network.
2. DC-DC Controller: Manages the conversion of input power to a regulated output voltage, supporting a range of power levels.
3. Detection and Classification: Supports detection and classification protocols as per IEEE 802.3af/at standards.
4. Integrated Protection: Offers features such as thermal shutdown, current limiting, and fault protection to enhance device reliability.
For exact pin configuration, please refer to the component's datasheet, which details the pin assignments and their specific functions.