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| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
2,597 pcs
|
2597 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Auxiliary Sense | |
| Current | |
| Current Sense Resistor | |
| Current Sensing Accuracy | |
| FET External ILIM | |
| Input Voltage Max | |
| Input Voltage Min | |
| Internal Switch(s) | |
| MPS Method | |
| Mounting Type | |
| Number of Channels | |
| Operating Temperature | |
| Pair Control | |
| Power | |
| Programmable Port Power Limiting | |
| Programmable Power Limiting Accuracy | |
| Standards | |
| Supplier Device Package | |
| Supplier Package | |
| Type | |
| Voltage |
The Texas Instruments TPS23881ARTQR is an 8-channel Power over Ethernet (PoE) PSE controller designed for IEEE 802.3bt Type 3 and Type 4 applications. This device supports multiple PoE standards, including 802.3at Type 1 (802.3af), 802.3at Type 2, 802.3bt Type 3, and 802.3bt Type 4.
Key electrical features include a maximum input voltage of 57V and a minimum of 44V, with a programmable current sense resistor of 200mΩ. The controller offers programmable port power limiting with an accuracy of ±2.5% and 2% current sensing accuracy. It operates within a temperature range of -40°C to 125°C.
The TPS23881ARTQR is housed in a 56-VQFN (8x8 mm) package and is designed for surface mount applications. It features 8 independent PSE channels and supports selectable 2-pair or 4-pair port power allocations, enabling flexible power delivery for various PoE devices.
| Qty | Low | High |
|---|---|---|
| 1+ | $4.73 | $4.73 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
44 V to 57 V.
56-VFQFN Exposed Pad (56-VQFN 8x8 mm).
-40°C to 125°C.
8 channels.
802.3at Type 1 (802.3af), 802.3at Type 2, 802.3bt Type 3, 802.3bt Type 4.
±2.5%.
Yes, supports 2-pair Alt A and 4-pair.