45A Smart Power Stage (SPS) Modules with Integrated Current and Temperature Monitors

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Overview

The FDMF5176 is ON Semiconductor’s next generation of Smart Power Stage (SPS) solution with fully optimized, ultra−compact, integrated MOSFETs plus driver for high−current, high frequency, and synchronous buck DC−DC converters.
With an integrated approach, the SPS switching power stage is optimized for driver and MOSFET dynamic performance, minimized system inductance, and power MOSFET RDS(ON).
The integration of Power MOSFETs with a driver IC also enables advanced high accuracy module thermal and current monitoring. The FDMF5176 provides an output signal (IMON), which reports the real−time module current. The IMON signal can be used to replace inductor DCR current sense or resistor sense methods. There is also accurate thermal monitoring (TMON) that provides a 0.8 V output at 25°C with an 8 mV / °C slope.

  • Multiphase and Single Phase DC-DC Voltage Regulators
  • Server, Storage Systems, Computing
  • Communications Infrastructure Systems
  • Graphics Cards, Enterprise Switches
  • Server, Storage Systems, Computing
  • Up to 45A Peak Current Handling Capability
  • High-Performance, Universal Footprint, Copper-Clip 4 mm x 5 mm PQFN Package
  • ON Semiconductor's PowerTrench® MOSFETs for Clean Voltage Waveforms and Reduced Ringing
  • 30V / 25V Breakdown Voltage MOSFETs for Higher Long Term Reliability
  • Optimized FET Pair for Highest Efficiency at 10% ~ 15% Duty Cycle
  • Optimized for Switching Frequencies up to 1 MHz
  • Integrated Current Monitor (IMON)
  • Integrated Temperature Monitor (TMON)
  • Catastrophic Fault Detection
  • Thermal Flag (OTP) for Over-Temperature Condition
  • Over-Current Protection Fault(OCP)
  • High-Side Short Detect Fault
  • Under-Voltage Lockout (UVLO) on VCC
  • ON Semiconductor Green Packaging and RoHS Compliant

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FDMF5176

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Active

CAD Model

Pb

A

H

P

PQFN-24

1

260

REEL

3000

N

5

12

3.3V, 5V

45

1

$1.4933

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