Microchip Technology

MCP73837 Li-Ion Battery Charger

Microchip Technology's standalone linear Li-ion/Li-polymer charge management controller simplifies the design of battery chargers

Image of Microchip Technology's MCP73837 Li-ion Battery ChargerMicrochip Technology'sMCP73837 is a highly-integrated full-featured linear Li-ion battery charger with both USB and AC adapter inputs. Its autonomous 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 MCP73837 specifically adheres to the current limits governed by the USB application. The device includes safety features such as cell temperature monitoring, on-chip thermal regulation, and safety timers. It is available in a 10-pin 3 mm x 3 mm DFN package or a 10-pin MSOP package.

Features
  • USB or AC adapter dual-input full-featured Li-ion charger
  • Autonomous power source selection
  • Programmable charge current up to 1 A from AC adapter
  • Integrated USB control with selectable 100 mA and 500 mA charge rates
  • Automatic charge control with selectable current threshold and safety timer
  • Programmable AC adapter charge current: -15 mA to 1000 mA
  • Two-charge status outputs
  • Power good status output
  • Battery cell temperature monitor
  • Undervoltage lockout (UVLO)
  • Low-dropout (LDO) linear regulator mode
  • -40°C to +85°C junction temperature range
Applications
  • Portable media players (PMPs)
  • Ultra-mobile devices (UMD)
  • Digital cameras
  • Bluetooth® headsets
  • Handheld medical devices
  • AC/USB dual-source Li-ion battery charger

MCP73837 Li-ion Battery Charger ICs

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC BATT CHG LI-ION 1CELL 10MSOPMCP73837-NVI/UNIC BATT CHG LI-ION 1CELL 10MSOP133 - Immediate$1.30View Details
IC BATT CHG LI-ION 1CELL 10DFNMCP73837-FCI/MFIC BATT CHG LI-ION 1CELL 10DFN140 - Immediate$1.30View Details
IC BATT CHG LI-ION 1CELL 10DFNMCP73837T-FCI/MFIC BATT CHG LI-ION 1CELL 10DFN11932 - Immediate$1.30View Details
IC BATT CHG LI-ION 1CELL 10MSOPMCP73837-FJI/UNIC BATT CHG LI-ION 1CELL 10MSOP614 - Immediate$1.30View Details
IC BATT CHG LI-ION 1CELL 10MSOPMCP73837-FCI/UNIC BATT CHG LI-ION 1CELL 10MSOP252 - Immediate$1.30View Details
IC BATT CHG LI-ION 1CELL 10MSOPMCP73837T-FCI/UNIC BATT CHG LI-ION 1CELL 10MSOP3014 - Immediate$1.30View Details
IC BATT CHG LI-ION 1CELL 10MSOPMCP73837T-FJI/UNIC BATT CHG LI-ION 1CELL 10MSOP0 - Immediate$0.98View Details
IC BATT CHG LI-ION 1CELL 10MSOPMCP73837T-NVI/UNIC BATT CHG LI-ION 1CELL 10MSOP0 - Immediate$0.98View Details
IC BATT CHG LI-ION 1CELL 10DFNMCP73837-NVI/MFIC BATT CHG LI-ION 1CELL 10DFN0 - Immediate$0.98View Details
IC BATT CHG LI-ION 1CELL 10DFNMCP73837T-NVI/MFIC BATT CHG LI-ION 1CELL 10DFN0 - Immediate$0.98View Details

Evaluation Board

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EVAL BOARD FOR MCP73837 MCP73838MCP7383XEV-DIBCEVAL BOARD FOR MCP73837 MCP738382 - Immediate$54.59View Details
Published: 2021-07-29

Related Product Highlight

Analog Products Microchip offers a large portfolio of cost-effective analog products including power management, signal chain, and interface solutions for a variety of applications. Find a solution that best fits your needs today!