PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX6383XR22D3+

MAX6383XR22D3+

Analog Devices, Inc.

MAX6383 SC70, SINGLE LOW-VOLTAGE

3967

MAX6722UTRVD3+

MAX6722UTRVD3+

Analog Devices, Inc.

MAX6722 DUAL/TRIPLE, ULTRA-LOW-V

2052

MAX8890ETCBBB

MAX8890ETCBBB

Analog Devices, Inc.

CELLULAR RF POWER-MANAGEMENT

14240

MAX6725AKASDD3+

MAX6725AKASDD3+

Analog Devices, Inc.

MAX6725 TRIPLE, ULTRA-LOW-VOLTAG

1591

LTC4367HMS8#PBF

LTC4367HMS8#PBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

8628

MAX6777LT+

MAX6777LT+

Analog Devices, Inc.

MAX6777 LOW-POWER, 1PERCENT-ACCU

3905

LTC3225EDDB-1#TRMPBF

LTC3225EDDB-1#TRMPBF

Analog Devices, Inc.

IC SUPERCAP CHARGER 150MA 10-DFN

5324

MAX6722UTVDD3+

MAX6722UTVDD3+

Analog Devices, Inc.

MAX6722 DUAL/TRIPLE, ULTRA-LOW-V

869

MAX4915BELT+T

MAX4915BELT+T

Analog Devices, Inc.

POWER SUPPLY MANAGEMENT CIRCUIT,

19824

MAX6327UR22+

MAX6327UR22+

Analog Devices, Inc.

MAX6327 3-PIN, ULTRA-LOW-POWER S

654

LTC3677EUFF-3#TRPBF

LTC3677EUFF-3#TRPBF

Analog Devices, Inc.

IC LI-ION PWR MGMT 44QFN

0

MAX6383XR29D3+

MAX6383XR29D3+

Analog Devices, Inc.

MAX6383 SC70, SINGLE LOW-VOLTAGE

4443

5962-9326704M2A

5962-9326704M2A

Analog Devices, Inc.

MAX708 MICROPROCESSOR SUPERVISOR

161

LTC3101EUF#TRPBF

LTC3101EUF#TRPBF

Analog Devices, Inc.

IC BUCK/BST TRPL ADJ 350MA 24QFN

0

MAX6362PUT29+

MAX6362PUT29+

Analog Devices, Inc.

MAX6362 LOW-POWER MICROPROCESSO

0

LTC4360CSC8-1#TRMPBF

LTC4360CSC8-1#TRMPBF

Analog Devices, Inc.

IC OVERVOLTAGE PROT CONT SC70-8

0

MAX6838XSD0+

MAX6838XSD0+

Analog Devices, Inc.

MAX6838 ULTRA-LOW-VOLTAGE VOLTAG

14065

LT3751EUFD#PBF

LT3751EUFD#PBF

Analog Devices, Inc.

IC CAPACITOR CHRG 20-QFN

1258

MAX6720UTLTD3+

MAX6720UTLTD3+

Analog Devices, Inc.

MAX6720 TRIPLE, ULTRA-LOW-VOLTAG

1936

MAX6356LSUT+

MAX6356LSUT+

Analog Devices, Inc.

MAX6356 TRIPLE-VOLTAGE MICROPROC

28227

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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