ChongMing Group (HK) Int'l Co., Ltd
| Description | IC POE CNTRL 1 CHANNEL 20VQFN |
| Maximum Operating Temperature | + 125 C |
| Minimum Operating Temperature | - 40 C |
| Current Limit | 1.550 A |
| Standard | 802.3bt |
| Type | Powered Device - PD |
| Output Power | 51 W |
| Brand Name | Ti |
| Model Number | TPS2373-3RGWR |
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Product Specification
| Description | IC POE CNTRL 1 CHANNEL 20VQFN | Maximum Operating Temperature | + 125 C |
| Minimum Operating Temperature | - 40 C | Current Limit | 1.550 A |
| Standard | 802.3bt | Type | Powered Device - PD |
| Output Power | 51 W | Brand Name | Ti |
| Model Number | TPS2373-3RGWR | ||
| High Light | ethernet transceiver ic ，fast ethernet switch chip | ||
TPS2373-3RGWR Ethernet Switch IC Power Switch ICs - POE / LAN TPS2373
1 Features
Supports Power Levels for Type-4 ( TPS2373-4) 90-W and Type-3 ( TPS2373-3) 60-W Operation
Robust 100 V Hotswap MOSFET
– TPS2373-4 (typ.): 0.1-Ω, 2.2-A Current Limit
– TPS2373-3 (typ.): 0.3-Ω, 1.85-A Current Limit
Allocated Power Indicator Outputs
Advanced Startup for DC-DC
– Simplifies Downstream DC-DC Design
– Compliant to PSE Inrush
Automatic Maintain Power Signature (MPS)
– Auto-adjust MPS for Type 1-2 or 3-4 PSE
– Supports Ultra-Low Power Standby Modes
Primary Adapter Priority Input
Supports PoE++ PSE
-40°C to 125°C Junction Temperature Range
20-lead VQFN Package
2 Applications
IEEE 802.3bt (Draft) Compliant Devices
4PPOE
Pass-through System
Security Cameras
Multiband access points
Pico-base Stations
Video and VoIP Telephones
Systems using Redundant Power Feeds
3 Description
The TPS2373 contains all of the features needed to implement an IEEE802.3at or IEEE802.3bt (draft) (Type 1-4) powered device (PD). The low internal switch resistance allows the TPS2373-4 and TPS2373-3 to support high power applications up to 90 W and 60 W respectively. Assuming 100-meter CAT5 cable, this translates into 71.3 W and 51 W at PD input.
The TPS2373 operates with enhanced features.
The Advanced Startup function for DC-DC results in a simple, flexible, and minimal system cost solution, while ensuring that IEEE802.3bt (draft) startup requirements are met. It helps to reduce the size of the low voltage bias capacitor considerably. It also allows long DC-DC converter soft-start period and enables the use of a low-voltage PWM controller.
The Automatic MPS function enables applications requiring very low power standby modes. The TPS2373 automatically generates the necessary pulsed current to maintain the PSE power. An external resistor is used to enable this functionality and to program the MPS pulsed current amplitude.
Device Information
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
| TPS2373 | VQFN (20) | 5.00 mm × 5.00 mm |
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
2008
Total Annual:
5000000-7000000
Employee Number:
80~100
Ecer Certification：
Active Member
CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electron... CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electron...
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