TPS23753AEVM-235
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Texas Instruments TPS23753AEVM-235

Manufacturer No:
TPS23753AEVM-235
Manufacturer:
Texas Instruments
Package:
Box
Description:
EVAL MODULE FOR TPS23753A
Delivery:
Payment:
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Product Introduction

Overview

The TPS23753A, produced by Texas Instruments, is a combined Power over Ethernet (PoE) powered device (PD) interface and current-mode DC-DC controller. It is optimized specifically for isolated converter designs and supports the IEEE 802.3at standard as a 13-W, type 1 PD. This device integrates a complete PoE interface with enhanced ESD ride-through capability, making it suitable for a variety of applications requiring reliable and efficient power delivery.

Key Specifications

Parameter Value
Package 14-Pin TSSOP
Input Voltage Range 0-57 V
Switching Frequency 223-273 kHz
Output Voltages 5 V / 2 A, 12 V / 0.9 A, 3.3 V / 3 A
Junction Temperature Range –40°C to 125°C
ESD Capability 15-kV and 8-kV system level ESD capable
Hotswap MOSFET Robust 100-V, 0.7-Ω

Key Features

  • Enhanced ESD ride-through capability for uninterrupted device operation during ESD events.
  • Optimized for isolated converters with a complete PoE interface supporting IEEE 802.3at standard.
  • Adapter ORing support with options for highest voltage, external adapter preference, and PoE preference.
  • 12-V adapter support and programmable frequency with synchronization to a higher-frequency external timing reference.
  • Bootstrap start-up mechanism with an internal, switched current source for cycling overload fault protection.
  • External detection signature pin to disable the internal hotswap MOSFET and program classification with a single resistor.

Applications

  • Power over Ethernet (PoE) devices such as IP phones, wireless access points, and security cameras.
  • Industrial gateways and IoT devices requiring reliable and efficient power delivery.
  • Class 3 PoE applications where high efficiency and isolation are required.
  • Low-cost flyback converter designs for various power requirements.

Q & A

  1. What is the primary function of the TPS23753A?

    The TPS23753A is a combined Power over Ethernet (PoE) powered device (PD) interface and current-mode DC-DC controller.

  2. Which PoE standard does the TPS23753A support?

    The TPS23753A supports the IEEE 802.3at standard as a 13-W, type 1 PD.

  3. What is the input voltage range of the TPS23753A?

    The input voltage range is 0-57 V.

  4. What are the output voltage options for the TPS23753A?

    The output voltages can be 5 V / 2 A, 12 V / 0.9 A, and 3.3 V / 3 A.

  5. What is the junction temperature range of the TPS23753A?

    The junction temperature range is –40°C to 125°C.

  6. Does the TPS23753A have ESD protection?

    Yes, it is 15-kV and 8-kV system level ESD capable.

  7. What is the hotswap MOSFET specification?

    The hotswap MOSFET is robust 100-V, 0.7-Ω.

  8. Can the oscillator frequency be synchronized with an external timing reference?

    Yes, the programmable oscillator can be synchronized to a higher-frequency external timing reference.

  9. How does the TPS23753A handle overload fault protection?

    The DC-DC controller features a bootstrap start-up mechanism with an internal, switched current source for cycling overload fault protection.

  10. Can the PoE function be turned off?

    Yes, the PoE function can be turned off using the external detection signature pin to disable the internal hotswap MOSFET.

Product Attributes

Type:Power Management
Function:Power over Ethernet (PoE)
Embedded:- 
Utilized IC / Part:TPS23753A
Primary Attributes:- 
Supplied Contents:Board(s)
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