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TPS23752PWP +BOM
Product TPS23752PWP is a Power Over Ethernet Controller designed for devices requiring power delivery (PD)
HTSSOP (PWP)-20-
Manufacturer:
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Mfr.Part #:
TPS23752PWP
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Datasheet:
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Vin (min) (V):
9.2
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Vin (max) (V):
57
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PoE current limit (min) (mA):
850
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PoE inrush limit (mA) (typ) (A):
0.14
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EDA/CAD Models:
Availability: 6309 PCS
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TPS23752PWP General Description
The TPS23751 is a 16-pin integrated circuit that combines a Power-over-Ethernet (PoE) powered device (PD) interface and a current-mode DC-DC controller optimized specifically for applications requiring high efficiency over a wide load range.
The PoE interface implements type-2 hardware classification per IEEE 802.3at. It also includes an auxiliary power detect (APD) input and a disable function (DEN). A 0.5-Ω, 100-V pass MOSFET minimizes heat dissipation and maximizes power utilization.
The DC-DC controller features internal soft-start, a bootstrap startup current source, current-mode control with slope compensation, blanking, and current limiting. Efficiency is enhanced at light loads by disabling synchronous rectification and entering variable frequency operation (VFO).
The TPS23752 is a 20-pin extended version of the TPS23751 with the addition of a Sleep Mode feature. Sleep Mode disables the converter to minimize power consumption while still generating the Maintain Power Signature (MPS) required by IEEE802.3at.
Key Features
- IEEE 802.3at Classification With Status Flag
- High Efficiency Solutions Over Wide Load Range
- Powers Up to 25.5 W PDs
- Robust 100 V, 0.5 Ω Hotswap MOSFET
- Synchronous Rectifier Disable Signal
- PowerPAD™ TSSOP Packages
- Complete PoE Interface Plus DC-DC Controller
- Adapter ORing Support
- Programmable Frequency
- TPS23752 Supports Ultra-Low Power Sleep Modes
- –40°C to 125°C Junction Temperature Range
Specifications
Vin (min) (V) | 9.2 | Vin (max) (V) | 57 |
PoE current limit (min) (mA) | 850 | PoE inrush limit (mA) (typ) (A) | 0.14 |
rDS(on) per FET (typ) (mΩ) | 450 | PoE standards supported | 802.3at Type 1 (802.3af), 802.3at Type 2 |
PD power level | 13W, 25W | DC/DC control | PD and DC/DC |
Fault response | Auto Retry | Features | Primary-side adapter priority, Sleep Mode, Thermal shutdown, VFO |
Operating temperature range (°C) | -40 to 85 | Rating | Catalog |
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In Stock: 6,309
Minimum Order: 1
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