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reference designSGM64200 | Demoboard SGM4200

SG-Micro SGM64200 | Demoboard SGM4200

Dual-Output or Two-Phase Synchronous Buck Controller

Overview

TopologyBuck Converter
Input voltage3-20 V
IC revisionA

Description

The SGM64200 integrates two synchronous Buck controllers which can be configured as two independent single-phase outputs or one dual-phase output. Two devices can also be linked up as a master-slave through an external pin to provide four single-phase outputs or two dual-phase outputs. The switching phases of linked devices are adjustable to achieve four phases interleaving. The device accepts an input range from 3V to 20V with a precise reference voltage of 0.6V.

Features

  • Two Single-Phase or One Dual-Phase Outputs
  • SYNC Pin with One Cycle Clock Recovery
  • PHASE Pin with 0°/180° or 90°/270° Operation
  • Two Devices in Master-Slave Mode
  • Wide Input Supply from 3V to 20V
  • Precise Reference of 600mV: ±0.75%
  • Adjustable Output from 0.6V to 5.4V
  • Adjustable Frequency from 100kHz to 1MHz
  • Voltage Mode PWM with Input Feedforward
  • Dual N-MOSFET Drivers with Integrated Bootstrap Switch
  • Accurate Inductor DCR or Resistor Current Sense
  • Individual Power Good Open-Drain Pin
  • Individual Enable Pin & Programmable Soft-Start Time Capable of Pre-Bias Startup
  • Accurate Current Sharing in Dual-Phase
  • Remote Output Sense Amplifier in Dual-Phase
  • Individual Over-Current Limit Set
  • Cycle-by-Cycle Over-Current Limit with Hiccup
  • Input Supply Under-Voltage Lock-Out Pin
  • Individual Output Over-Voltage/Under-Voltage Protection
  • Thermal Shutdown Protection
  • Available in a Green TQFN-5×5-32AL Package

Typical applications

  • Servers, Telecom Base Station, Switcher and Router Networking

More information

Products

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Data­sheet
Simu­lation
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
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744314110
SPECWE-HCI SMT Flat Wire High Current Inductor, 1.1 µH, 19.6 A
Simu­lation
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Downloads9 files

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance1.1 µH
Performance Rated Current19.6 A
Saturation Current @ 10%6 A
Saturation Current @ 30%13 A
DC Resistance3.15 mΩ
Self Resonant Frequency135 MHz
MaterialSuperflux 
Packaging Unit1000 
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