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TPS2346 Datasheet OPTICAL NETWORK HOT SWAP POWER MANAGER

Manufacturer: Texas Instruments

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General Description

The TPS2346 Optical Network Hot Swap Power Manager (HSPM) provides highly-integrated supply control of three positive (3.3-V, 5-V, and 5.15-V) and one negative (–5.2-V) supply rails with a minimum number of external components.

A linear current amplifier (LCA) in each of the four device channels provides closed-loop control of load current during insertion and extraction events.

This allows the designer to configure the plug-in card’s maximum inrush slew rate and magnitude according to the requirements of the system supplies.

Overview

TPS2346 OPTICAL NETWORK HOT SWAP POWER MANAGER SLUS529 – MAY.

Key Features

  • D Enables Hot Swap in High Availability Optical Network Systems D Programmable Current Slew Rate D Power Supply Sequencing D Sense Resistors Set Peak Current (IMAX) D Overcurrent Circuit Breaker at 2× IMAX D Precharge Output D Logic Low Power Good Output D Logic Low Enable Input D On-Chip Charge Pump D Low Sleep Mode Current D Undervoltage Lockout (UVLO) D Minimal External Parts Count D 24-pin TSSOP Package.

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