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MCP73811

Single Cell, Li-Ion/Li-Polymer Charge Management Controller

Status: In Production

Features:

  • +/1% Voltage regulation accuracy
  • 4.2V Regulated voltage output
  • On-chip thermal regulation
  • Logic-selectable charge current (85mA or 450mA)
  • Only two external ceramic capacitors required to implement complete charging solution
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

Tiny 500mA charge management controller in SOT23. Includes pass transistor, integrated current sensing and reverse-discharge protection.

Additional Features
    • +/1% Voltage regulation accuracy
    • 4.2V Regulated voltage output
    • On-chip thermal regulation
    • Logic-selectable charge current (85mA or 450mA)
    • Only two external ceramic capacitors required to implement complete charging solution
Parametrics
Name
Value
Linear Mode
Yes
# of Cells
1
Int/Ext FET
Int
Vcc Range (V)
3.75 to 6
Voltage Regulation Accuracy (%)
1
Max Thermal Regulation
Yes

Documents

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Data Sheet

09/06/2007
654KB

Product Line Card

Development Environment

  • Demo & Evaluation Boards
  • Application Examples
Demo & Evaluation Boards
MCP7381X Low Cost Battery Charger Eval Bd
MCP7381X Low Cost Battery Charger Eval Bd ( MCP7381XEV )

The MCP7381X Li-Ion Battery Charger Evaluation Board demonstrates the features and abilities for Microchip’s MCP7381X Li-Ion Battery Charger Evaluation Board Simple, Miniature Single-Cell, Fully Integrated Li-Ion / Li-Polymer Charge Management Controllers. The MCP73811/2 are stand-alone highly integrated linear Li-Ion battery chargers that employ a constant current/constant voltage (CCCV)...

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MCP73811T-440I/OT
0.016000
0.049000
5
SOT-23
-
Matte Tin
e3
MCP73811T-420I/OT
0.016000
0.049000
5
SOT-23
-
Matte Tin
e3
MCP73811T-435I/OT
0.016000
0.049000
5
SOT-23
-
Matte Tin
e3
MCP73811T-450I/OT
0.016000
0.049000
5
SOT-23
-
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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