PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
ICL7665AIPA

ICL7665AIPA

Analog Devices, Inc.

ICL7665 MICROPROCESSOR VOLTAGE M

35

LTC3226IUD#PBF

LTC3226IUD#PBF

Analog Devices, Inc.

IC 2CELL SUPERCAP CHARGE 16QFN

826

MAX6898PALT+

MAX6898PALT+

Analog Devices, Inc.

MAX6898 ULTRA-SMALL, ADJUSTABLE

369

LTC3350IUHF#PBF

LTC3350IUHF#PBF

Analog Devices, Inc.

IC BACKUP CTRLR CHRG/MON 38QFN

3795

MAX6337US16D3+

MAX6337US16D3+

Analog Devices, Inc.

MAX6337 4-PIN, ULTRA-LOW-VOLTAGE

8262

LTC4365CDDB-1#TRPBF

LTC4365CDDB-1#TRPBF

Analog Devices, Inc.

IC OVERVOLTAGE PROTECT 8-DFN

0

LTC3588IMSE-2#PBF

LTC3588IMSE-2#PBF

Analog Devices, Inc.

IC ENERGY HARVESTING PSU 10MSOP

194

MAX6719AUTSYD3+

MAX6719AUTSYD3+

Analog Devices, Inc.

MAX6719 TRIPLE, ULTRA-LOW-VOLTAG

0

MAX6364PUT26+

MAX6364PUT26+

Analog Devices, Inc.

MAX6364 LOW-POWER MICROPROCESSO

877

MAX6802UR46D3+

MAX6802UR46D3+

Analog Devices, Inc.

MAX6802 3-PIN, LOW-POWER MICROPR

6504

MAX7705CPA+

MAX7705CPA+

Analog Devices, Inc.

MAX7705 MICROPROCESSOR POWER-SUP

1240

MAX6760TALTD3

MAX6760TALTD3

Analog Devices, Inc.

MAX6760 LOW-POWER, DUAL-VOLTAGE

1923

ADP5020ACPZ-R7

ADP5020ACPZ-R7

Analog Devices, Inc.

POWER MANAGEMENT UNIT FOR IMAGIN

0

MAX17008GTI+

MAX17008GTI+

Analog Devices, Inc.

QPWM GRAPHICS CORE CONTROLLER

2700

LTC3554EUD-3#PBF

LTC3554EUD-3#PBF

Analog Devices, Inc.

IC USB POWER MANAGER 20-QFN

111

MAX6384XS22D3+

MAX6384XS22D3+

Analog Devices, Inc.

MAX6384 SINGLE LOW-VOLTAGE, LOW-

1536

MAX8890ETCGGG

MAX8890ETCGGG

Analog Devices, Inc.

CELLULAR RF POWER-MANAGEMENT

7487

MAX6719UTYDD3+

MAX6719UTYDD3+

Analog Devices, Inc.

MAX6719 TRIPLE, ULTRA-LOW-VOLTAG

349

LTC4367CMS8-1#TRPBF

LTC4367CMS8-1#TRPBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

0

MAX6327UR23+

MAX6327UR23+

Analog Devices, Inc.

MAX6327 3-PIN, ULTRA-LOW-POWER S

164

PMIC - Power Management - Specialized

1. Overview

Specialized Power Management ICs (PMICs) are application-specific integrated circuits designed to optimize power distribution and management in electronic systems. These devices provide tailored solutions for voltage regulation, battery management, power sequencing, and energy efficiency optimization. Their importance in modern technology lies in enabling compact designs, reducing power consumption, and improving reliability for applications ranging from mobile devices to automotive systems.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Battery PMICsIntegrate battery charging, fuel gauging, and protection circuitsSmartphones, wearable devices
DC-DC ControllersRegulate voltage conversion with external MOSFETsHigh-performance computing (HPC) systems
AC-DC ControllersConvert AC to DC with power factor correction (PFC)Server power supplies, industrial equipment
LED DriversProvide constant current for LED arraysAutomotive lighting, display backlighting
Multi-Channel PMICsSupport multiple regulated outputs with sequencingMedical imaging equipment, IoT gateways

3. Structure and Components

Typical physical structure includes:

  • QFN/BGA packages for compact PCB integration
  • Internal blocks: Voltage regulators (LDOs, DC-DC converters), ADC/DAC modules, I2C/SPI interfaces
  • Protection circuits: Overcurrent (OCP), Overvoltage (OVP), Thermal shutdown (OTP)

4. Key Technical Specifications

ParameterImportance
Input Voltage RangeDetermines compatibility with power sources (e.g., 2.7V-24V for battery systems)
Output Current CapabilityDefines maximum load support (e.g., 0.5A-10A per channel)
Efficiency (Typical >90%)Impacts thermal performance and battery life
Quiescent CurrentCrucial for low-power standby modes (<10 A typical)
Protection FeaturesEnsures reliability under fault conditions
Operating TemperatureIndustrial (-40 C to +125 C) or automotive (-40 C to +150 C) grades

5. Application Areas

  • Consumer Electronics: Mobile phones, tablets, AR/VR headsets
  • Automotive: ADAS systems, electric vehicle (EV) battery management
  • Industrial: PLC systems, robotics actuators
  • Healthcare: Portable diagnostic devices, MRI gradient coil drivers
  • IoT: Edge sensors, smart meters

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsTPS659126-channel PMIC for AMOLED displays
STMicroelectronicsSTM32L4 Series PMICUltra-low-power with dynamic voltage scaling
ON SemiconductorNCP185xHigh-current battery charger with JEITA compliance
Analog DevicesLTC297xDigital power system management (PSM) IC
InfineonPSoC 6 PMICIntegrated with microcontroller for IoT applications

7. Selection Guidelines

  1. Define system power rails and sequencing requirements
  2. Match input voltage range with source characteristics (battery, AC adapter, etc.)
  3. Evaluate thermal performance under maximum load
  4. Prioritize protection features for critical applications
  5. Consider digital monitoring capabilities for smart systems

8. Industry Trends

Key trends shaping PMIC development:

  • Integration of wide-bandgap (SiC/GaN) drivers in power stages
  • AI-enabled dynamic power optimization for edge computing
  • 48V direct-to-load architectures for data centers
  • Functional safety compliance (ISO 26262) for automotive systems
  • Sub-1 A leakage current management for battery-free IoT devices
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