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MCP73838
  • MCP73838
  • MCP73838

MCP73838

In Production

The MCP73838 is a highly integrated full-featured linear Li-ion battery charger with both USB and AC-adapter inputs. Automatic Power Source Selection simplifies the design of battery chargers for applications that are powered from either a USB port or an AC adapter. For USB-powered systems, the MCP73838 specifically adheres to the current limits governed by the USB application. Also includes safety features such as cell temperature monitoring, on-chip thermal regulation and safety timers. Available in 10-pin 3mm x 3mm DFN package or 10-pin MSOP package....

Microchip Technology MCP73838 Product Info

16 April 2026 0

Parameters

Linear Mode

Yes

# of cells

1

Int/Ext FET

Int

Vin Max (V)

6.0

Vin Min (V)

3.75

Voltage Regulation Accuracy (%)

0.5

Temperature Monitor

Yes

Charge Safety Timers

Yes

Max. Thermal Regulation

Yes

Features

  • USB or AC-adapter dual input full-featured Li-ion charger
  • Automatic Power Source Selection
  • Programmable charge current up to 1 A from AC-adapter
  • Integrated USB control with selectable 100mA and 500mA charge rates
  • Automatic charge control with selectable current threshold and safety timer
  • Safety timer enable input

Description

The MCP73838 is a highly integrated full-featured linear Li-ion battery charger with both USB and AC-adapter inputs. Automatic Power Source Selection simplifies the design of battery chargers for applications that are powered from either a USB port or an AC adapter. For USB-powered systems, the MCP73838 specifically adheres to the current limits governed by the USB application. Also includes safety features such as cell temperature monitoring, on-chip thermal regulation and safety timers. Available in 10-pin 3mm x 3mm DFN package or 10-pin MSOP package.

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