Power Management

Power Management Overview

Power Management

 

Microchip supports your upcoming designs with our comprehensive portfolio and innovative solutions. The low power consumption solutions allow battery-powered systems to operate longer time while digitally enhanced products provide industry leading flexibilities in both development and production.

 

Power Supply Topologies

 

Microchip provides a broad range of power management regulators to suit a wide breadth of applications. Our comprehensive low dropout linear regulator portfolio supports up to 120V and is a simple and low noise solution. Switch-mode power supplies are offered in both integrated-FET and controller solutions, allowing for maximum flexibility, increased efficiency, and low power dissipation.

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Battery Management

Single-Chip Battery Charging and Management for Lithium Ion

The MCP73871 device is a 1A fully integrated linear solution for system load sharing and Li-Ion/Li-Polymer battery charge management with AC-DC wall adapter and USB port power sources selection. It’s also capable of autonomous power source selection between input and battery. The MCP73871 device employs a constant current/constant voltage (CC/CV) charge algorithm with selectable charge termination point. The constant voltage regulation is fixed with four available options: 4.10V, 4.20V, 4.35V and 4.40V.

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.

 

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Charge Pumps

Charge Pump DC/DC Converters

 

Easy to implement, inductorless, high efficiency power conversion solutions for lower current applications.

 

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Hybrid PWM Controllers

Hybrid PWM Controllers

 

Our novel Hybrid PWM Controller family, built on our Digitally-Enhanced Power Analog technology, combines a high-speed analog controller with a fully-functional MCU. This unique combination offers the speed and response of a traditional analog controller, with the flexibility of a digital interface.

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Inductorless Offline Switching Regulators

Inductorless Off-line Switching Regulators

 

Microchip’s HV Inductorless Switching Regulators are designed to provide offline power for low power applications, with minimal component count, including the ability to eliminate the requirement for an inductor or transformer.  These regulators operate with an efficiency higher than a pure Linear Regulator, and with fewer components than a traditional switching regulator.

 

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LDO Regulators

Linear Regulators

 

The newest addition to the Low Dropout (LDO) product offering is the MCP1711, a very accurate CMOS LDO voltage regulator that can deliver up to 150 mA of current while consuming only 0.6 µA of quiescent current (typical). Due to excellent internal phase compensation, the LDO output is stable without the need for capacitors.

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Power MOSFET Drivers

Power MOSFET Drivers

 

MOSFET family using high-speed, low figure of merit (FOM) process technology that offers improved power conversion efficiency in switched mode power supplies.

 

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Power MOSFETs

Power MOSFETs

 

  • Low Figure-of-Merit (FOM) allows high efficiency power conversion with reduced switching and conduction losses
  • Ideal for SMPS systems
  • N-Channel devices in popular 5mmx6mm PDFN package

 

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PWM Controllers

PWM Controllers

 

Fast, efficient analog-based PWM controllers. Most offer integrated MOSFET Drivers, enabling them to directly drive external MOSFETs. These products work alone, in combination with Microchip PIC® MCUs for sequencing and control.

 

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Power Modules

Power Modules

 

  • Integrated controller, FETs, inductor, and compensation circuitry in a single device
  • Fast load transient performance
  • Low radiated emission (EMI) meets CISPR22, Class B
  • Small footprint and low profile

 

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Power Switches
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Switching Regulators

Switching Regulators

 

Microchip offers a wide range of Analog Switching Regulators in both Buck (step-down) and Boost (step-up) topologies, featuring PWM and PFM operating modes, Power Good Outputs, Enable Inputs, True Load Disconnect and Input/Output Bypass. These innovative products offer power system designers the options necessary for designing cost effective, efficient, space saving power conversion solutions

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System Supervisors/Voltage Detectors

Voltage Detectors

 

Low-Cost Precision Supervisors and Detectors with Industry-Standard Functionality and Pin-Outs.  Microchip Supervisor and Detector Products are well suited for portable and consumer electrics applications due to the extremely low operating current, small surface-mount packaging and flexible functionality.

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Voltage Detectors

CPU / System Supervisors

 

Low-cost precision supervisors with industry-standard functionality and pin outs include products such as the MCP131 series of CMOS voltage supervisors. These devices are well suited for portable and consumer electrics applications due to their extremely low 1 µA operating current and small surface-mount packaging.

 

Voltage Detectors

 

Low-Cost Precision Supervisors and Detectors with Industry-Standard Functionality and Pin-Outs.  Microchip Supervisor and Detector Products are well suited for portable and consumer electrics applications due to the extremely low operating current, small surface-mount packaging and flexible functionality.

 

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Voltage References

Voltage Reference

Microchip offers several families of series and shunt voltage references, with options for high-accuracy, low-noise and general purpose use. These devices provide a stable reference for a wide variety of data conversion and signal conditioning applications.

 

Microchip Voltage Reference devices offer:

  • 0.1% initial accuracy families
  • Industry standard families
  • Wide selection of voltage options including adjustable

 

 

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