Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

TPS23881B1RTQR is an 8-channel power sourcing equipment (PSE) controller engineered to insert power onto Ethernet cables in accordance with the IEEE 802.3bt standard.

Feature

IEEE 802.3bt PSE solution for PoE 2 Type 3 or Type 4 Power over Ethernet applications

Eight independent PSE channels

Resistor selectable Autonomous operation

No external MCU required

Compatible with TI’s FirmPSE system firmware

SRAM Programmable memory

Programmable power limiting accuracy ±2.5%

200mΩ current sense resistor

Legacy PD capacitance measurement

Selectable 2-pair or 4-pair port power allocations

15.4W, 30W, 45W, 60W, 75W or 90W

Single and dual signature PD compatibility

Dedicated 14-bit integrating current ADC per port

Noise immune MPS for DC disconnect

2% current sensing accuracy

1- or 3-bit fast port shutdown input

Auto-class discovery and power measurement

Inrush and operational foldback protection

Flexible processor controlled operating modes

Auto, semi auto and manual / diagnostic

Per port voltage monitoring and telemetry

–40°C to +125°C temperature operation

Ultra Low Alpha (ULA) packaging

Applications

Video recorder (NVR, DVR, and so forth)

Small business switch

Campus and branch switches

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.