MCP73812

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

Features
  • +/1% Voltage regulation accuracy
  • 4.2V Regulated voltage output
  • On-chip thermal regulation
  • Resistor-programmable charge current (up to 500ma)
Parameter
Parameter Name Value Value
Linear Mode Yes Yes
# of Cells 1 1
Int/Ext FET Int Int
Vcc Range (V) 3.75 to 6 3.75 to 6
Voltage Regulation Accuracy (%) 1 1
Max Thermal Regulation Yes Yes
Documents
MCP73811/2 Data SheetData Sheets09/06/2007654KB
AN1088 - Selecting the Right Battery System for Cost-Sensitive Portable Applications While Maintaining Excellent QualityAppNote04/03/2007547KB
AN947 - Power Management in Portable Applications: Charging Lithium-Ion/Lithium-Polymer BatteriesAppNote07/22/2004244KB
Analog & Interface Product Selector GuideProduct Line Card03/21/20164116KB
MCP7381X Low-Cost Li-Ion Battery Charger Evaluation Board User's GuideUser Guides07/22/2009317KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP73812T-420I/OT5SOT-23-40C to +85CT/R0.540.450.410.400.39
MCP73812T-435I/OT5SOT-23-40C to +85CT/R0.730.540.450.400.39
RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP73812T-440I/OT0.0160000.0490005SOT-23-Matte Tine3
MCP73812T-450I/OT0.0160000.0490005SOT-23-Matte Tine3
MCP73812T-435I/OT0.0160000.0490005SOT-23-Matte Tine3
MCP73812T-420I/OT0.0160000.0490005SOT-23-Matte Tine3
MCP73811/2 Data Sheet MCP73812
AN1088 MCP73812
AN947 MCP73831EV
Analog & Interface Product Selector Guide ENC624J600
MCP7381X Low-Cost Li-Ion Battery Charger Evaluation Board User's Guide MCP73812