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Legend-Si LGS5600C product image
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Legend-Si LGS5600CRoHS

Manufacturer
Legend-SiAsian Brands
MPN
LGS5600C
LCSC Part #
C20618074
Packaging
DFN-8(2x2)
Customer #
Key Attributes
Single-cell lithium battery charging and discharging, step-down charging, synchronous step-up
Datasheetpdf iconLegend-Si LGS5600C
In-Stock: 1,800
1,800 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
5+$ 0.1515$ 0.76
50+$ 0.1321$ 6.61
150+$ 0.1238$ 18.57
500+$ 0.1135$ 56.75
3,000+$ 0.1089$ 326.70
6,000+$ 0.1061$ 636.60
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Battery Management
ManufacturerLegend-Si
PackagingDFN-8(2x2)
FeaturesConstant current charging;Constant voltage charging;Trickle charging;Automatic recharge;Charge termination;Programmable charging current;Overcurrent Protection;Short-Circuit Protection;Overvoltage protection;Under-voltage lockout
Operating Temperature-40℃~+125℃
Quiescent Current3uA
0V Battery Charge-
Type of BatteryLithium Battery
Operating Voltage4.5V~5.5V
The Chip TypeCharging IC
Interface-
Balance Current-
Charge Current - Max1A
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

LGS5600C is a multifunctional power management SOC integrating a boost converter, lithium battery charge management, and battery charge status indication. With a quiescent current as low as 3μA, it provides a complete power solution for portable devices. The charging current and voltage are adjustable, supporting various lithium battery specifications, with a maximum charging current of 1A. The charging current can be automatically adjusted based on lithium battery temperature for safe and reliable operation. The discharge output is a fixed 5V voltage with efficiency up to 95%. Standby current is as low as 3μA, supporting long-term lithium battery standby. The chip integrates charge-in-progress and charge-complete indicators, as well as a battery-not-connected indicator. It supports simultaneous charging and discharging; however, in this mode, 5V output short-circuit protection is not supported and the 5V output voltage will drop under load.

Features

AI Translation
  • Integrated multi-level voltage/current adjustable switching buck battery charger
  • 16V input voltage rating
  • Charge current and voltage adjustable via external resistors
  • Supports 4.2V/4.4V Li-ion battery charging
  • Configurable charge current: 400mA, 600mA, 800mA, or 1000mA
  • JEITA-compliant Li-ion charging with intelligent charge voltage and current adjustment based on battery temperature and input voltage
  • Comprehensive charge status indication
  • Integrated synchronous boost converter: 5V/0.8A output, 1MHz switching frequency
  • Standby current as low as 3μA for extended battery standby
  • Boost efficiency up to 95%
  • Full protection suite: UVLO, over-temperature, over-current, over-voltage, short-circuit
  • All power MOSFETs integrated on-chip
  • Hot-swap not supported; battery must be activated by connecting to USB charger once after initial insertion

Applications

AI Translation
  • Portable devices with lithium battery power supply and USB output