PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX5039EUA

MAX5039EUA

Analog Devices, Inc.

VOLTAGE-TRACKING CONTROLLER

836

LTC1699EGN-80#PBF

LTC1699EGN-80#PBF

Analog Devices, Inc.

IC PROGRAMMER VOLT SMBUS 16SSOP

0

LTC3455EUF#TRPBF

LTC3455EUF#TRPBF

Analog Devices, Inc.

IC CONV DC/DC DUAL USBBATT 24QFN

0

MAX5901AAETT+

MAX5901AAETT+

Analog Devices, Inc.

MAX5901 -100V TDFN, SIMPLE SWAPP

300

MAX9610FEXK+

MAX9610FEXK+

Analog Devices, Inc.

MAX9610 1 MICROAMPS, UDFN/SC70,

1729

LTC4367CMS8-1#PBF

LTC4367CMS8-1#PBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

53

LTC3589EUJ-1#PBF

LTC3589EUJ-1#PBF

Analog Devices, Inc.

IC DC/DC CONV 8-OUTPUT 40QFN

1347

LTC4367HMS8-1#TRPBF

LTC4367HMS8-1#TRPBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

0

LTC4367CMS8#TRPBF

LTC4367CMS8#TRPBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

0

LTC3524EUF#PBF

LTC3524EUF#PBF

Analog Devices, Inc.

IC TFT BIAS SUPPLY ADJ 24-QFN

325

LTC3226EUD#PBF

LTC3226EUD#PBF

Analog Devices, Inc.

IC 2CELL SUPERCAP CHARGE 16QFN

5903

MAX6722UTTGD3+

MAX6722UTTGD3+

Analog Devices, Inc.

MAX6722 DUAL/TRIPLE, ULTRA-LOW-V

2254

MAX6719UTVDD3+

MAX6719UTVDD3+

Analog Devices, Inc.

MAX6719 TRIPLE, ULTRA-LOW-VOLTAG

3700

LT3585EDDB-1#TRPBF

LT3585EDDB-1#TRPBF

Analog Devices, Inc.

IC CHARGER PHOTOFLASH 10-DFN

0

LTC4425IDD#PBF

LTC4425IDD#PBF

Analog Devices, Inc.

IC SUPERCAP CHARGER 12-DFN

0

LTC3556EUFD#PBF

LTC3556EUFD#PBF

Analog Devices, Inc.

IC USB POWER MANAGE 28QFN

218

ADP3408ARU-1.8-RL

ADP3408ARU-1.8-RL

Analog Devices, Inc.

IC GSM PWR MGMT SYST 28TSSOP

2500

MAX6340UK46+

MAX6340UK46+

Analog Devices, Inc.

MAX6340 LOW-POWER, SOT MICROPROC

232

MAX16919DGEE/V+T

MAX16919DGEE/V+T

Analog Devices, Inc.

CURRENT-SENSE AMPLIFIER

2500

MAX6376XR29+

MAX6376XR29+

Analog Devices, Inc.

MAX6376 3-PIN, ULTRA-LOW-POWER V

2724

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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