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reference designSGM41516 | Demoboard SGM41516

SG-Micro SGM41516 | Demoboard SGM41516

High Input Voltage, 3.78A Single-Cell Battery Charger SGM41516D with NVDC Power Path Management

Overview

TopologyHigh Voltage Output
Input voltage3.9-13.5 V
IC revisionV2

Description

The SGM41516/SGM41516D 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
  • 95.5% Charge Efficiency at 1A from 5V Input
  • 92.5% Charge Efficiency at 2A from 9V Input
  • Optimized for 9V/12V Input
  • Selectable PFM Mode for Light Load Efficiency
  • USB On-The-Go (OTG) Support (Boost Mode)
  • Boost Converter with up to 1.2A Output
  • Boost Efficiency of 93.5% at 0.5A and 92.2% 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 Adaptors
  • 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 11mΩ 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
  • ±0.5% Charge Voltage Regulation (8mV/Step) ±5% Charge Current Regulation at 1.5A
  • ±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

  • Smart Phones, EPOS
  • Portable Internet Devices and Accessory

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
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

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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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