IC manufacturers SG-Micro

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SG-Micro SGM62117 | Demoboard SGM62117 High-Efficiency Buck-Boost Converter

High-Efficiency Buck-Boost Converter

Overview

TopologyBuck-Boost Converter
Input voltage2.2-5.5 V
Output 15.2 V / 2 A
IC revisionA

Description

The SGM62117 is a synchronous 4-switch Buck-Boost converter which is suitable for battery operated applications. The device’s programmable light load PFM mode and low quiescent current (18μA, TYP) offer above 90% efficiency in the 10mA to 2A output current range. The output voltage is programmable via external feedback resistor divider.The SGM62117 can operate in Buck, Boost or a novel 4-cycle Buck-Boost mode when the input voltage is close to or equal to the output voltage. The device implements pre-defined mode transition thresholds to avoid undesired toggling within modes to reduce output voltage ripple.

Features

  • 2.2V to 5.5V Input Voltage Range
  • 1.8V to 5.2V Output Voltage Range (Adjustable)
  • 2A Output Current for VIN ≥ 2.5V and VOUT = 3.3V
  • Above 90% Efficiency for IOUT from 10mA to 2A
  • High Efficiency over the Entire Load Range
  • 18μA (TYP) Quiescent Current
  • Programmable Forced PWM Mode and Pulse Frequency Modulation Mode
  • Real Buck, Boost and Buck-Boost Modes
  • Power Good
  • Internal Soft-Start
  • Start-up into Pre-Biased Outputs
  • Forward and Reverse Current Operation and Current Limit
  • OTP, Input OVP and Output OCP Protections
  • True Shutdown Function with Load Disconnect
  • Available in a Green TDFN-3×2-10L Package

Typical applications

  • Battery Backup
  • System Pre-Regulator, Point-of-Load Regulation Thermoelectric Devices, Voltage, Stabilizer and Converter

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
SamplesAvailability & Sample
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SPECWE-MAPI SMT Power Inductor, 0.47 µH, 12.7 A
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance0.47 µH
Performance Rated Current12.7 A
Saturation Current @ 30%13 A
DC Resistance7 mΩ
Self Resonant Frequency83 MHz
Operating Voltage80 V
MountSMT 
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