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FDMF3172: Smart Power Stage (SPS) Modules with Integrated Current and Temperature Monitors

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Datasheet
Product Overview
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The FDMF3172 is ON Semiconductor’s next generation Smart Power Stage (SPS) solutions with fully optimized, ultra-compact, integrated MOSFETs with advanced driver IC current and temperature sensors, 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, system parasitic reduction, and power MOSFET RDS(ON).
The integration of Power MOSFETs with a driver IC also enables high accuracy module-level current and thermal monitoring. The FDMF3172 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 very accurate thermal monitoring (TMON) that provides a 0.8V output at 25°C with an 8 mV / °C slope.
Features
 
  • Up to 55 A Instantaneous Peak Current Handling Capability
  • High-Performance, Universal Footprint, Copper-Clip 5 mm x 6 mm PQFN Package
  • ON Semiconductor's PowerTrench® MOSFETs for Clean Voltage Waveforms and Reduced Ringing
  • 30 V / 25 V DC 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 Monitoring (IMON)
  • Integrated Temperature Monitor (TMON)
  • Catastrophic Fault Detection Features
  • Thermal Flag (OTP) for Over-Temperature Condition
  • Over-Current Protection FAULT (OCP)
  • High-Side Short Detect FAULT
  • Under-Voltage Lockout (UVLO) on VCC and PVCC
  • ON Semiconductor Green Packaging
  • Pb-Free, Halogen Free/BFR Free and RoHS Compliant
Applications
  • CPU and Memory Voltage Regulators Compliant with Intel's VR13 Purley Systems
  • High-Current Multiphase Voltage Regulators
  • Graphics Processing Unit (GPU) Cards
  • Server, Storage, Telecom
Technical Documentation & Design Resources
White Papers (1) Videos (1)
Package Drawings (1)  
Availability & Samples
Specifications
Intaractive Block Diagram
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
FDMF3172 Active
Pb-free
Halide free
FDMF3172 PQFN-39 483BF 1 260 Tape and Reel 3000 $1.6
Market Leadtime (weeks) : 13 to 16

Product
Description
Pricing ($/Unit)
Compliance
Status
VCIN (V) Typ
VIN (V) Typ
PWM Level
IO (A) Max
fmax (MHz) Max
Package Type
FDMF3172  
 $1.6 
Pb
H
 Active   
5
12
3.3V, 5V
55
1
PQFN-39
Case Outlines
483BF   
Application
Diagram - Block
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