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Battery Charge Management & Controllers

Microchip addresses the key requirements for Battery Charging applications such as:

  • Safe charging
  • Maximize fuel capacity
  • Minimize charge time
  • Small form factor

A good battery charger maximizes battery capacity, extends battery life and monitors the charging process. Depending on Battery Chemistry, Microchip offers a broad array of Battery Management Solutions which feature small package sizes, high-efficiency, low standby power, accuracy and versatility solutions to solve these portable power conversion challenges.

To further reduce design size, cost and complexity, the Li-Ion Charge Management Controllers provide a reliable, low-cost and high accuracy voltage regulation solution with few external components.

Single Cell Li-Ion
Single Cell Li-Ion Charge Controller Block Diagram
The MCP73830 and MCP73830L are highly integrated, Li-Ion battery charge management controllers for use in space limited applications.
Two Cell Li-Ion / LiFEPO 4
Two Cell Li-Ion / LiFEPO4 Charge Controller Block Diagram
The MCP73213MCP73223MCP73842 and MCP73844 are dual cell, highly integrated Li-Ion battery charge management controllers for use in space-limited and cost-sensitive applications.
Switching Solution for Programmable Charger
Switching Solution for Programmable Charge Controller Block Diagram
The MCP19111 is a mid-voltage (4.5-32V) analog-based PWM controller family with an integrated 8-bit PIC® Microcontroller.
Intelligent Battery Charger for NiMH/Li-Ion
Intelligent Battery Charger for NiMH/Li-Ion Block Diagram
The MCP1631, MCP1631V offer both current or voltage mode respectively as well as the high voltage versions MCP1631HV, MCP1631VHV for high-speed microcontroller based pulse width modulation ideal for programmable switch mode battery charging for multiple chemistries such as Li-Ion, NiMH, NiCd & Pb-Acid and other intelligent power system needs.

Mixed-Signal PIC® Microcontroller Based Solutions


The PIC16F785 Flash Microcontroller offers all of the advantages of the well-recognized mid-range x14 architecture with standardized features including a wide operating voltage of 2.0-5.5 Volts, on-board EEPROM Data Memory and nanoWatt Technology. Analog peripherals include up to 12 channels of 10-bit A/D, two operation amplifiers, two high-speed analog comparators and a Bandgap Voltage Reference. Digital peripherals include a standard Capture/Compare/PWM (CCP) module, a two-phase PWM with asynchronous feedback, a 16-bit timer and two 8-bit timers.