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reference designSGM41542 | Demoboard SGM41542EVM

SG-Micro SGM41542 | Demoboard SGM41542EVM

High Input Voltage, 3.78A Single-Cell Battery Charger with NVDC Power Path Management Input Voltage Range: 3.9V to 13.5V Battery Voltage Range: 3.856V to 4.624V (Default 4.208V) Charge Current Range: 0A to 3.78A (Default 2040mA

Overview

TopologyBuck Converter
Input voltage3.9-13.5 V
Output 12 A
IC revision00

Description

The SGM41541/SGM41542 are battery chargers and system power path management devices with integrated converter and power switches for using with single-cell Li-Ion or Li-polymer batteries. This highly integrated 3.78A device is capable of fast charging and supports a wide input voltage range suitable for smart phones, tablets and portable systems. I2C programming makes it a very flexible powering and charger design solution.

Features

  • High Efficiency, 1.5MHz, Synchronous Buck Charger
  • 95% Charge Efficiency at 1A from 5V Input
  • 91.4% Charge Efficiency at 2A from 9V Input
  • Optimized for USB Voltage Input (5V)
  • Selectable PFM Mode for Light Load Efficiency
  • USB On-The-Go (OTG) Support (Boost Mode)
  • Boost Converter with up to 2A Output
  • Boost Efficiency of 93.5% at 0.5A and 94.3% at 1A
  • Accurate Hiccup Mode Over-Current Protection
  • Soft-Start Capable with up to 500μF Capacitive Load
  • Output Short Circuit Protection
  • Selectable PFM Mode for Light Load Operations
  • Single Input for USB or High Voltage Adapters
  • 3.9V to 13.5V Operating Input Voltage Range
  • 22V Absolute Maximum Input Voltage Rating
  • Programmable Input Current Limit and Dynamic Power Management (IINDPM, 100mA to 3.1A with 100mA Resolution & 3.8A) to Support USB 2.0 and USB 3.0 Standards and High Voltage Adaptors
  • Maximum Power Tracking by Programmable Input Voltage Limit (VINDPM) with Selectable Offset
  • VINDPM Tracking of Battery Voltage
  • Auto Detect USB BC1.2, SDP, CDP, DCP and Non-Standard Adaptors
  • High Battery Discharge Efficiency with 19mΩ Switch
  • Narrow Voltage DC (NVDC) Power Path Management
  • Instant-On with No or Highly Depleted Battery
  • Ideal Diode Operation in Battery Supplement Mode
  • Ship Mode, Wake-Up and Full System Reset Capability by Battery FET Control
  • Flexible Autonomous and I2C Operation Modes for Optimal System Performance
  • Fully Integrated Switches, Current Sense and Compensation
  • External Direct Charging Path Enable Output
  • 9μA Ship Mode Low Battery Leakage Current
  • High Accuracy
  • ±0.6% Charge Voltage Regulation (8mV/Step)
  • ±5% Charge Current Regulation at 2A
  • ±10% Input Current Regulation at 0.9A
  • Safety
  • Battery Temperature Sensing (Charge/Boost Modes)
  • Thermal Regulation and Thermal Shutdown
  • Input Under-Voltage Lockout (UVLO)
  • Input Over-Voltage (ACOV) Protection

Typical applications

  • Portable Internet Devices and Accessory
  • Smart Phones, EPOS

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
Mount
Interface Type
Type
Variant
Gender
Pins
PCB Thickness(mm)
IR(A)
Working Voltage(V (AC))
Packaging
SamplesAvailability & Sample
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74439344010
SPECWE-XHMI SMT Power Inductor, 1 µH, 15.75 A
Simu­lation
Availability
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Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance1 µH
Performance Rated Current15.75 A
Saturation Current @ 30%24.95 A
DC Resistance5.5 mΩ
DC Resistance6.05 mΩ
Self Resonant Frequency59 MHz
MountSMT 
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–
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Pins2 
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Rated Current12 A
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62910416121
SPECWR-USB Standard Connectors, –, –
Simu­lation–
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-USB Standard Connectors
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MountSMT 
Interface TypeType B 
TypeHorizontal 
Variantwith Pads & Pegs 
GenderReceptacle 
Pins4 
PCB Thickness1.6 mm
Rated Current1.5 A
Working Voltage30 V (AC)
PackagingTape and Reel 
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