Power Management
Power Management ICs – Switching Regulators, Linear Regulators, Voltage Converters, Controllers & Power Modules
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.
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
The MCP73830 and MCP73830L are highly integrated, Li-Ion battery charge management controllers for use in space limited applications.
Two Cell Li-Ion / LiFEPO4
The MCP73213, MCP73223, MCP73842 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
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
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.
Power Check Design Service
- Accelerate and optimize hardware designs by obtaining insightful guidance and implementing best practices
- Get recommendations from our applications experts on your hardware designs that use Microchip power management devices
- Seamlessly upload your design files and track progress
DC-DC Controllers - PWM, COT and Digitally Enhanced Power Analog (DEPA)
Microchip has a rapidly-expanding portfolio of DC-DC controller products serving the mobile device, portable computer, telecommunications and industrial markets. Constant on-time, PWM and Digitally Enhanced Power Analog (DEPA) controllers that represent best-in-class products designed to provide high efficiency in a small form factor.
DC-DC Converters & Voltage Regulators
Linear Low Dropout Regulator LDO
Switching Regulators
Our comprehensive portfolio supports buck, boost, buck-boost and SEPIC designs from 100mA peak output current up to 12A as well as multi-output regulators to support multiple point of load applications such as microprocessors, FPGAs and ASICs.
For higher current applications, please see our selection of Analog and Hybrid PWM Controllers.DC-DC Power Modules - Power Supply ICs
As subsystem designs get more complicated and board space becomes more valuable, many designers are considering using power modules instead of traditional discrete DC-DC Point-of-Load (POL) designs to reduce board size, improve reliability and speed up time to market.
How Can a Power Module Solve Your Design Challenges?
- Save board space and reduce PCB complexity
- Thermal performance delivered in a small package
- Pre-characterized EMI and DC Performance
Ease of Use
- Turnkey solution speeds your time to market
- Integrated controller, inductor and MOSFETs for simplified design
- Optimized pinout for easy layout and assembly
Exceptional Performance
- Up to 93% power conversion efficiency
- Low radiated emissions (EMI)
- Hyper Speed Control architecture enables fast load transient response
- HyperLight Load mode improves light-load efficiency
Small Form Factor
- Small QFN package reduces solution size
- Uses up to 60% less board space versus discrete designs
- Low height profile (down to 0.9 mm)
Robust
- Rugged package design for thermal performance, vibration and humidity resistance
- Fewer external components improve reliability
- Fully specified from -40°C to +125°C
Hot-Swap Controllers
Solutions to:
- Allow safe insertion of boards into live system backplane
- Control inrush currents and output voltage slew rates
- Detect and isolate faults
Power MOSFETs & MOSFET Drivers
Power MOSFETs
- Efficient operation
- High speed operation, with low gate charge to minimize losses
- Logic level input voltage, 1V threshold
- 25V breakdown
- Low On Resistance
- Low gate Charge
Power MOSFET Drivers
Synchronous MOSFET Drivers
PMIC - Power Management ICs
PMIC Power Management Multi-Output ICs from Microchip range from dual-output to highly integrated PMICs focusing on optimizing system power, size and cost. Our PMICs comprise a broad range of features such as fault detection and power sequencing to address applications across different levels of complexity.
- Optimize battery life: Multimode, high-efficiency, low quiescent current regulators
- Create compact designs: Our small PMICs include multiple integrated regulators, interfacing, power sequencing logic and fault detection in a single IC
- Power solutions for microprocessor-based applications
- Click here for an example of the MIC2800 in an industrial-grade 32-bit MPU based System On Module (SOM)
Featured PMIC Products
| Product | Description |
|---|---|
| MIC2800 | 2 MHz 600 mA DC/DC + dual 300 mA linear regulators with LowQ® mode |
| MIC7401 | Configurable PMIC w/ 5-channel buck regulator and boost regulator with HyperLight Load® technology |
| MIC23250 | Dual 4 MHz 400 mA HyperLight Load® synchronous buck regulator |
| MIC2230 | High Efficiency Dual 800 mA/800 mA Buck Regulators |
| MIC2810 | 2MHz 600 mA DC/DC + Dual 300 mA Linear Regulators with Independent Inputs and LowQ Mode |
| MIC23451 | 3 MHz, 2A Triple Synchronous Buck Regulators with HyperLight Load and Power Good Indicators |
DC-DC Power Modules - Power Supply ICs
As subsystem designs get more complicated and board space becomes more valuable, many designers are considering using power modules instead of traditional discrete DC-DC Point-of-Load (POL) designs to reduce board size, improve reliability and speed up time to market.
Microchip’s highly integrated power modules contain a controller, power switches and the necessary passive components—all of which are fully tested and pre-characterized for EMI and DC performance—to offer a complete switching power supply solution. Offered in an ultra-compact, rugged and thermally enhanced package to improve high power density in your designs, these modules simplify your power design process while offering exceptional performance. Utilizing our proprietary Hyper Speed Control® architecture, they are designed to offer fast load transients to minimize output capacitance. Their HyperLight Load® mode provides efficiency improvements for light-load operation.
How Can a Power Module Solve Your Design Challenges?
- Save board space and reduce PCB complexity
- Thermal performance delivered in a small package
- Pre-characterized EMI and DC Performance
Ease of Use
- Turnkey solution speeds your time to market
- Integrated controller, inductor and MOSFETs for simplified design
- Optimized pinout for easy layout and assembly
Exceptional Performance
- Up to 93% power conversion efficiency
- Low radiated emissions (EMI)
- Hyper Speed Control architecture enables fast load transient response
- HyperLight Load mode improves light-load efficiency
Small Form Factor
- Small QFN package reduces solution size
- Uses up to 60% less board space versus discrete designs
- Low height profile (down to 0.9 mm)
Robust
- Rugged package design for thermal performance, vibration and humidity resistance
- Fewer external components improve reliability
- Fully specified from -40°C to +125°C
Power Switches
Microchip offers a comprehensive portfolio of power switches to help provide solutions for power distribution and power savings, circuit protection including short circuit and overcurrent fault events, and charge emulation for USB port power.
Load Switches
- Enables simple solution for power distribution and sequencing.
- Reduces leakage currents to downstream loads or systems.
- Capability of up to 7A continuous current.
Current Limit Switches
- Provides short circuit and overcurrent protection for most applications including USB power.
- Both fixed and adjustable current limits up to 6A
- Select products are UL recognized and EN/IEC 60950-1 (CB) certified
USB 2.0 Port Power Controllers
- Port power switch − 2.9V to 5.5V source voltage range with up to 2.5A current with 55 mΩ On Resistance
- Nine preloaded charger emulation profiles supporting USB-IF BC1.2 charging
- UL recognized and EN/IEC 60950-1 (CB) certified
Voltage Supervisor & References
Voltage Supervisor and Voltage Reference products monitor system voltages to eliminate problems during operation. On power-down, the supervisor monitors the power supply voltage and resets the system if the voltage falls below a predetermined level. On power-up, the supervisor holds the system in reset until the voltage has stabilized.
Voltage (CPU) Supervisors
System and CPU Supervisors and Voltage Detector products monitor system voltages to eliminate problems during operation. On power-down, the supervisor monitors the power supply voltage and resets the system if the voltage falls below a predetermined level. On power-up, the supervisor holds the system in reset until the voltage has stabilized.
Voltage References
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.
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