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Manufacturer Part #

MCP73843-420I/MS

MCP73843 Series 12 V Single Cell Lithium-Ion/Lithium-Polymer Charge Controller

Mfr. Name: Microchip
Standard Pkg:
Product Variant Information section
Date Code: 2008
Product Specification Section
Technical Attributes
Attributes Table
Configuration: Linear
Number of Cells: 1
Supply Voltage: 4.5V to 12V
Operating Temp Range: -40°C to +85°C
Package Style:  MSOP-8
Mounting Method: Surface Mount
Features & Applications

The MCP73843 combines high accuracy constant-voltage (0.5% max), constant-current regulation, cell preconditioning, advanced safety timers, automatic charge termination, and charge status indication in a space saving MSOP-8 package.

The device provides a complete, fully functional, stand-alone charge management solution for applications utilizing single cell Lithium-Ion or Lithium-Polymer battery packs. Two preset voltage regulation options are available, 4.1 V and 4.2 V, for use with either coke or graphite anodes. The MCP73843 operates with an input voltage range of 4.5 V to 12 V and is fully specified over the ambient temperature range of -40°C to +85°C. 

Features:

  • Safety Charge Timers
  • Automatic Charge Termination
  • Automatic Recharge
  • Charge Status Indicator
  • High Accuracy Voltage Regulation: 0.5% (Max)
  • Automatic Preconditioning of Deeply Depleted Cells
  • Shutdown Current: 0.25 µA (Typical)
  • No Inductor Required
  • Programmable Charge Current
  • Automatic Power-Down When Input Power Removed
  • –40°C to +85°C Ambient Operating Temperature range

Applications:

  • Lithium-Ion/Lithium-Polymer Battery Chargers
  • Personal Data Assistants
  • Cellular Telephones
  • Hand-Held Instruments
  • Cradle Chargers
  • Digital Cameras
  • MP3 Players
Pricing Section
Stock:
288
Minimum Order:
1
Multiple Of:
1
On Order:
0
Factory Stock:Factory Stock:
0
Factory Lead Time:
14 Weeks
Total
$1.32
USD
Quantity
Web Price
1
$1.32
25
$1.10
100+
$1.00
Product Variant Information section