Overview
The TPS2377DR-1 from Texas Instruments is an IEEE 802.3af-compliant powered device (PD) controller, designed to facilitate the development of powered devices that adhere to the Power over Ethernet (PoE) standard. This integrated circuit is part of the TPS2375 family and is specifically tailored for applications requiring legacy undervoltage lockout (UVLO) thresholds. The device is housed in an 8-pin SOIC package and operates over an industrial temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SOIC (D) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Integrated Switch Resistance | 0.58 Ω | - |
| Integrated Switch Voltage Rating | 100 V | - |
| System Level ESD Capability | 15 kV | - |
| Current Limit | 450 mA | - |
| Inrush Current Control | Programmable | - |
| UVLO Thresholds | Legacy | - |
| Power-Good Reporting | Open-Drain | - |
| Overtemperature Protection | Yes | - |
Key Features
- Fully supports IEEE 802.3af specification
- Integrated 0.58-Ω, 100-V, low-side switch
- 15-kV system level ESD capable
- Supports use of low-cost silicon rectifiers
- Programmable inrush current control
- Fixed 450-mA current limit
- Open-drain, power-good reporting
- Overtemperature protection
- Industrial temperature range: -40°C to 85°C
- 8-pin SOIC and TSSOP packages
- Auto-retry after current-limit fault
Applications
- VoIP Phones
- WLAN Access Points
- Security Cameras
- Internet Appliances
- POS Terminals
Q & A
- What is the TPS2377DR-1 used for?
The TPS2377DR-1 is used to develop IEEE 802.3af-compliant powered devices (PDs) for Power over Ethernet (PoE) applications.
- What type of package does the TPS2377DR-1 come in?
The TPS2377DR-1 comes in an 8-pin SOIC package.
- What is the operating temperature range of the TPS2377DR-1?
The operating temperature range is -40°C to 85°C.
- What is the integrated switch resistance of the TPS2377DR-1?
The integrated switch resistance is 0.58 Ω.
- Does the TPS2377DR-1 have overtemperature protection?
Yes, the TPS2377DR-1 has overtemperature protection.
- What is the current limit of the TPS2377DR-1?
The current limit is fixed at 450 mA.
- Is the inrush current control programmable?
Yes, the inrush current control is programmable.
- What type of UVLO thresholds does the TPS2377DR-1 use?
The TPS2377DR-1 uses legacy UVLO thresholds.
- What is the system level ESD capability of the TPS2377DR-1?
The system level ESD capability is 15 kV.
- What are some common applications of the TPS2377DR-1?
Common applications include VoIP phones, WLAN access points, security cameras, internet appliances, and POS terminals.
