Overview
The TPS23753PWRG4, manufactured by Texas Instruments, is a highly integrated Power over Ethernet (PoE) controller designed for use in IEEE 802.3-2005 compliant applications. This PMIC (Power Management Integrated Circuit) is optimized for isolated converter designs, making it ideal for devices such as IP phones, LAN network power supplies, routers, and switches. Its compact 14-TSSOP package and robust features make it a competitive choice for modern PoE implementations.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | PMIC - Hot Swap | - | - |
| Description | IC IEEE 802.3-2005 PoE | - | - |
| Internal Switch | Yes | - | - |
| Current Limit | 450 | mA | - |
| Supply Voltage | 0 to 57 | V | - |
| Operating Temperature | -40 to 125 | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package/Case | 14-TSSOP | - | 4.40mm wide |
| Supplier Device Package | 14-TSSOP | - | - |
| Packaging | Tape & Reel (TR) | - | - |
Key Features
- Optimized for isolated converter designs.
- Supports IEEE 802.3at standard for 13W, Type 1 PD.
- Integrated PoE interface and current-mode DC/DC controller.
- External detection feature pin for disabling internal hot-swap MOSFET.
- Programmable classification via a single resistor.
- Robust 100V, 0.7Ω hot-swap MOSFET.
- Small 14-TSSOP package with system-level ESD protection.
Applications
The TPS23753PWRG4 is widely used in applications such as IP telephony, wireless access points, security cameras, and network switches. Its ability to provide reliable power and data transmission over Ethernet cables makes it a preferred choice for modern networking equipment. Additionally, its compliance with IEEE 802.3at ensures compatibility with a broad range of PoE-enabled devices.
Q & A
1. What is the maximum current limit of the TPS23753PWRG4?
The maximum current limit is 450mA.
2. What voltage range does the TPS23753PWRG4 support?
It supports a voltage range of 0V to 57V.
3. Is the TPS23753PWRG4 compliant with IEEE 802.3at?
Yes, it is compliant with IEEE 802.3at for Type 1 PD.
4. What is the operating temperature range of the TPS23753PWRG4?
The operating temperature range is -40°C to 125°C.
5. Does the TPS23753PWRG4 have an internal switch?
Yes, it includes an internal hot-swap MOSFET.
6. What package does the TPS23753PWRG4 come in?
It comes in a 14-TSSOP package.
7. Can the TPS23753PWRG4 be used in IP phones?
Yes, it is suitable for IP phones and other PoE-enabled devices.
8. Does the TPS23753PWRG4 support external detection?
Yes, it has an external detection feature pin.
9. What is the power rating of the TPS23753PWRG4?
It supports a maximum power rating of 13W.
10. Is the TPS23753PWRG4 suitable for industrial applications?
Yes, its wide operating temperature range and robust design make it suitable for industrial applications.
