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IC-Hersteller SG-Micro

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ReferenzdesignSGM41542S | Demoboard SGM41542S EVM

SG-Micro SGM41542S | Demoboard SGM41542S EVM

High Input Voltage, 5A Single-Cell Battery Charger with NVDC Power Path Management

Details

TopologieAbwärtswandler
Eingangsspannung3.9-13.5 V
Ausgang 15 A
IC-Revision00

Beschreibung

The SGM41542S is a battery charger and system power path management device with integrated converter and power switches for using with single-cell Li-Ion or Li-polymer batteries. This highly integrated 5A 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.

Eigenschaften

  • High Efficiency, 1.5MHz, Synchronous Buck Charger
  • 94.8% Charge Efficiency at 1A from 5V Input
  • 91.6% 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 3.2A Output
  • Boost Efficiency of 94% at 0.5A and 95% 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 3.3A with 100mA Resolution) 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 15mΩ Switch
  • Battery Discharge Current up to 12A
  • Integrated ADC for System Monitor
  • Resistance Compensation (IRCOMP) from Charger Output to Cell Terminal
  • Narrow Voltage DC (NVDC) Power Path Management
  • Instant-On with No or Highly Depleted Battery
  • deal Diode Operation in Battery Supplement Mode
  • Ship Mode, Wake-Up and Full System Reset Capabilityby 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
  • 1.5μA Ship Mode Low Battery Leakage Current
  • High Accuracy
  • ±0.5% Charge Voltage Regulation (10mV/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

Typische Anwendungen

  • Portable Internet Devices and Accessory
  • Smart Phones, EPOS

Weiterführende Informationen

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Artikel Nr.
Daten­blatt
Simu­lation
Downloads
Status
Produktserie
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
Montageart
MusterVerfügbarkeit & Muster
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74439344010
SPECWE-XHMI SMT Speicherdrossel, 1 µH, 15.75 A

Anstehende PCN

Aufgrund einer anstehenden PCN wird in Kürze eine Änderung am Bauteil durchgeführt. Anbei finden Sie die entsprechende PCN. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter.

Simu­lation
Verfügbarkeit
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Downloads8 Dateien

Status
AktivProduktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.
iProduktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.
ProduktserieWE-XHMI SMT Speicherdrossel
Induktivität1 µH
Performance Nennstrom15.75 A
Sättigungsstrom @ 30%24.95 A
Gleichstromwiderstand5.5 mΩ
Gleichstromwiderstand6.05 mΩ
Eigenresonanzfrequenz59 MHz
MontageartSMT 
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