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SGMICRO SGM4056-6.8YTDE8G product image
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SGMICRO SGM4056-6.8YTDE8GRoHS

Manufacturer
SGMICROAsian Brands
MPN
SGM4056-6.8YTDE8G
LCSC Part #
C83521
Packaging
TDFN-8L(2x2)
Customer #
Key Attributes
High Input Voltage Charger
Datasheetpdf iconSGMICRO SGM4056-6.8YTDE8G
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QtyUnit Price(Reference Only)Total Amount
1+$ 0.5975$ 0.60
10+$ 0.4466$ 4.47
30+$ 0.3817$ 11.45
100+$ 0.3003$ 30.03
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Battery Management
ManufacturerSGMICRO
PackagingTDFN-8L(2x2)
FeaturesConstant current charging;Constant voltage charging;Trickle charging;Charge termination;Programmable charging current;Overvoltage protection
Operating Temperature-40℃~+85℃
Quiescent Current1uA
0V Battery Charge-
Type of BatteryLithium Battery
Operating Voltage4.55V~26.5V
The Chip TypeCharging IC
Interface-
Balance Current-
Charge Current - Max900mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

The SGM4056 is a cost-effective, fully integrated high input voltage single-cell Li-Ion battery charger. The charger uses a CC/CV charge profile required by Li-Ion battery. The charger accepts an input voltage up to 26.5V but is disabled when the input voltage exceeds the OVP threshold, typically 6.8V (SGM4056 - 6.8) or 10.5V (SGM4056 - 10.5), to prevent excessive power dissipation. The 26.5V rating eliminates the overvoltage protection circuit required in a low input voltage charger. The charge current and the end-of-charge (EOC) current are programmable with external resistors. When the battery voltage is lower than typically 2.55V, the charger preconditions the battery with typically 18% of the programmed charge current. When the charge current reduces to the programmable EOC current level during the CV charge phase, an EOC indication is provided by the CHG pin, which is an open-drain output. An internal thermal foldback function protects the charger from any thermal failure. Two indication pins (PPR and CHG) allow simple interface to a microprocessor or LEDs. When no adapter is attached or when disabled, the charger draws less than 1μA leakage current from the battery. The SGM4056 is available in Green TDFN - 3×3 - 8L, TDFN - 2×3 - 8L, TDFN - 2×2 - 8L and SOIC - 8 (Exposed Pad) packages and is rated over the -40°C to +85°C temperature range.

Features

AI Translation
  • Complete Charger for Single-Cell Li-Ion or Polymer Batteries
  • Integrated Pass Element and Current Sensor
  • No External Blocking Diode Required
  • Low Component Count and Cost
  • Programmable Charge Current
  • Programmable End-of-Charge Current
  • Charge Current Thermal Foldback for Thermal Protection
  • 2.55V Trickle Charge Threshold
  • 6.8V Input Over-Voltage Protection for SGM4056 - 6.8
  • 10.5V Input Over-Voltage Protection for SGM4056 - 10.5
  • 26.5V Maximum Voltage for the Power Input
  • Power Presence and Charge Indications
  • Less than 1μA Leakage Current off the Battery When No Input Power Attached or Charger Disabled
  • Available in Green TDFN - 3×3 - 8L, TDFN - 2×3 - 8L, TDFN - 2×2 - 8L and SOIC - 8 (Exposed Pad) Package

Applications

AI Translation
  • Mobile Phones
  • Blue-Tooth Devices
  • PDAs
  • MP3 Players
  • Stand-Alone Chargers
  • Other Handheld Devices