IEEE 802.3af PD Controller With Integrated DC/DC

The TPS23750 integrates the functionality of the TPS2375 with a primary side DC/DC PWM Controller The designer CAN create a front-end solution for PoE-PD applications with minimum external components. The TPS23770 is identical to the TPS23750 with the exception of the undervoltage lockout turn-on voltage, which is compatible with legacy systems.
The PoE front end has all the necessary IEEE 802.3af functions including detection, classification, undervoltage lockout and inrush control. The PoE input Switch is integrated within the TPS23750.
The DC/DC controller section is designed to support flyback, forward, and nonsynchronous low-side Switch buck topologies.
The external switching MOSFET and Current Sense resistor provide flexibility in topology, power level, and current limit. The full-featured DC/DC controller includes programmable soft start, hiccup type fault limiting, 50% maximum duty cycle, programmable constant switching frequency, and a true voltage-output error Amplifier Additional protection features provide for robust designs.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
TPS23750PWPRG4 Texas Instruments IEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85
TPS23750PWPR Texas Instruments IEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85
TPS23750PWP Texas Instruments IEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85
TPS23750PWPG4 Texas Instruments IEEE 802.3af PD Controller with Integrated DC/DC 20-HTSSOP -40 to 85
GA3562- Coilcraft Inc Transformer, for TI TPS23750, SMT, RoHS
C1453- Coilcraft Inc PoE transformer, for TI TPS23750, SMT, RoHS
C1173- Coilcraft Inc PoE transformer, for TI TPS23750, 5.6V, SMT, RoHS
C1174- Coilcraft Inc PoE transformer, for TI TPS23750, 7.5V, SMT, RoHS
TPS23750 's PackagesTPS23750 's pdf datasheet
TPS23750PWP HTSSOP
TPS23750PWPG4 HTSSOP
TPS23750PWPR HTSSOP
TPS23750PWPRG4 HTSSOP




TPS23750 Pinout, Pinouts
TPS23750 pinout,Pin out
This is one package pinout of TPS23750,If you need more pinouts please download TPS23750's pdf datasheet.

TPS23750 Application circuits
TPS23750 circuits
This is one application circuit of TPS23750,If you need more circuits,please download TPS23750's pdf datasheet.


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TPS23750 Pb-Free TPS23750 Cross Reference TPS23750 Schematic TPS23750 Distributor
TPS23750 Application Notes TPS23750 RoHS TPS23750 Circuits TPS23750 footprint