TPS23753 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS23753
Manufacturer

TI
ChipWorker Part#

CW248675571
RoHS

Lead free / RoHS Compliant
Description

The TPS23753 is a combined Power over Ethernet (PoE) powered device (PD) interface and current-mode DC-DC controller optimized specifically for isolated converter designs
Documentation

Datasheet

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TPS23753 Specifications

Attribute	Attribute Value

Part Number	TPS23753
Manufacturer	TI
ChipWorker Part#	CW248675571
Documentation	Datasheet
Mounting Style	Surface Mount
Case/Package	TSSOP-14
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The TPS23753 is a combined Power over Ethernet (PoE) powered device (PD) interface and current-mode dc/dc controller optimized specifically for isolated converter designs. The PoE implementation supports the IEEE 802.3at standard as a 13 W, type 1 PD. The requirements for an IEEE 802.3at type 1 device are a superset of IEEE 802.3-2008 (originally 802.3af) requirements.
The TPS23753 supports a number of input-voltage ORing options including highest voltage, external adapter preference, and PoE preference.
The PoE interface features an external detection signature pin that can also be used to disable the internal hotswap MOSFET. This allows the PoE function to be turned off. Classification can be programmed to any of the defined types with a single resistor.
The dc/dc controller features a bootstrap startup mechanism with an internal, switched current source. This provides the advantages of cycling overload fault protection without the constant power loss of a pull up resistor.
The programmable oscillator may be synchronized to a higher-frequency external timing reference.
Optimized for Isolated Converters
Complete PoE Interface
Adapter ORing Support
12 V Adapter Support
Programmable Frequency with Synch.
Robust 100 V, 0.7 Hotswap MOSFET
Small TSSOP 14 Package
15 kV / 8 kV System Level ESD Capable
–40°C to 125°C Junction Temperature Range
Design Procedure Application Note - SLVA305
Adapter ORing Application Note - SLVA306
APPLICATIONS
IEEE 802.3at Compliant Powered Devices
VoIP Telephones
Access Points
Security Cameras

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