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TPS2346

Features: · Enables Hot Swap in High Availability Optical Network Systems· Programmable Current Slew Rate· Power Supply Sequencing· Sense Resistors Set Peak Current (IMAX)·Overcurrent Circuit Breaker at 2× IMAX· Precharge Output· Logic Low Power Good Output· Logic Low Enable Input· On-Chip Charge ...

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SeekIC No. : 004526625 Detail

TPS2346: Features: · Enables Hot Swap in High Availability Optical Network Systems· Programmable Current Slew Rate· Power Supply Sequencing· Sense Resistors Set Peak Current (IMAX)·Overcurrent Circuit Breake...

TPS2346 Data Sheet

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Part Number:
TPS2346
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/11

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Product Details

Description



Features:

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


Application

· Hot Swap of ONET Modules
·Supply Power-Up/Power-Down Sequencing


Pinout

Connection Diagram


Specifications

Input voltage range, VIN1, VIN2, VIN3, ENABLE, PG,PRECHG..........................0.3 V to 15 V
VS1, VS2, VS3, CS1, CS2,CS3.........................0.3 V to VIN +0.3 V of corresponding channel
CPUMP, GATE1, GATE2, GATE3  .........................................0.3 V to 25 V
VIN4, VS4, GATE4, CS4 .............................................15 V to 0.3 V
IRAMP ................................................0.3 V to VI(VIN1) +0.3 V
Operating junction temperature range, TJ..................................55°C to 150°C
Storage temperature range, Tstg...................................... 65°C to 150°C
Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds .......................300°C

† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. All voltages are with respect to GND. Currents are positive into, and negative out of the specified terminal.


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 of TPS2346 to configure the plug-in card's maximum inrush slew rate and magnitude according to the requirements of the system supplies.




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