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MICROCHIP MCP73842-820I/UN product image
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MICROCHIP MCP73842-820I/UNRoHS

Manufacturer
MICROCHIP
MPN
MCP73842-820I/UN
LCSC Part #
C636417
Packaging
MSOP-10
Customer #
Key Attributes
Single or Dual Cell Lithium-Ion/Lithium-Polymer Charge Management Controllers
Datasheetpdf iconMICROCHIP MCP73842-820I/UN
In-Stock: 10
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QtyUnit PriceTotal Amount
1+$ 3.317$ 3.32
10+$ 3.2388$ 32.39
30+$ 3.1868$ 95.60
100+$ 3.1347$ 313.47
Standard Packaging100/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Battery Chargers
ManufacturerMICROCHIP
PackagingMSOP-10
End-Off Voltage-
Voltage - Supply8.7V~12V
Quiescent Current250nA
Operating Temperature-40℃~+85℃
Number of Cells2
Interface-
FeaturesConstant current charging;Constant voltage charging;Trickle charging;Automatic recharge;Charge termination;Programmable charging current;Battery temperature monitoring;Under-voltage lockout
Battery Temperature DetectionSupport
0V Battery ChargeSupport
Type of BatteryLithium Battery
The Chip TypeCharging IC
Balance Current-
Charge Current - Max551mA
Charging Saturation Voltage8.2V
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Introduction

AI Translation

The MCP7384X family of devices are highly advanced linear charge management controllers for use in space-limited, cost-sensitive applications. The MCP73841 and MCP73842 combine high accuracy, constant-voltage, constant-current regulation, cell preconditioning, cell temperature monitoring, advanced safety timers, automatic charge termination and charge status indication in space-saving, 10-pin MSOP packages. The MCP73841 and MCP73842 provide complete, fully-functional, stand-alone charge management solutions. The MCP73843 and MCP73844 employ all the features of the MCP73841 and MCP73842, with the exception of the cell temperature monitor. The MCP73843 and MCP73844 are offered in 8-pin MSOP packages. The MCP73841 and MCP73843 are designed for applications utilizing single-cell Lithium-Ion or Lithium-Polymer battery packs. Two preset voltage regulation options are available (4.1V and 4.2V) for use with either coke or graphite anodes. The MCP73841 and MCP73843 operate with an input voltage range of 4.5V to 12V. The MCP73842 and MCP73844 are designed for applications utilizing dual series cell Lithium-Ion or Lithium-Polymer battery packs. Two preset voltage regulation options are available (8.2V and 8.4V). The MCP73842 and MCP73844 operate with an input voltage range of 8.7V to 12V. The MCP7384X family of devices are fully specified over the ambient temperature range of -40°C to +85°C.

Features

AI Translation
  • Linear Charge Management Controllers
  • High-Accuracy Preset Voltage Regulation: ±0.5% (max)
  • Four Preset Voltage Regulation Options: 4.1V, 4.2V, 8.2V, 8.4V
  • Programmable Charge Current
  • Programmable Safety Charge Timers
  • Preconditioning of Deeply Depleted Cells
  • Automatic End-of-Charge Control
  • Optional Continuous Cell Temperature Monitoring (MCP73841 and MCP73842)
  • Charge Status Output for Direct LED Drive
  • Automatic Power-Down when Input Power Removed
  • Temperature Range: -40°C to 85°C

Applications

AI Translation
  • Lithium-Ion/Lithium-Polymer Battery Chargers
  • Personal Data Assistants
  • Cellular Telephones
  • Hand-Held Instruments
  • Cradle Chargers
  • Digital Cameras
  • MP3 Players