PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX16036LLB31+

MAX16036LLB31+

Analog Devices, Inc.

MAX16036 LOW-POWER BATTERY-BACKU

2060

LTC1923EGN#PBF

LTC1923EGN#PBF

Analog Devices, Inc.

IC CONTROLLER TEC HI EFF 28SSOP

455

LTC4360CSC8-2#TRPBF

LTC4360CSC8-2#TRPBF

Analog Devices, Inc.

IC CTLR OVP 80V REV OVP SC-70-8

0

LTC4367HDD#TRPBF

LTC4367HDD#TRPBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

0

LT8550IUKG#TRPBF

LT8550IUKG#TRPBF

Analog Devices, Inc.

MULTIPHASE BUCK CONVERTER EXPAND

0

LT3420EDD-1#TRPBF

LT3420EDD-1#TRPBF

Analog Devices, Inc.

IC PHOTOFLASH CAP CHARGER 10-DFN

0

MAX6823ZUK+

MAX6823ZUK+

Analog Devices, Inc.

MAX6823 LOW-VOLTAGE MICROPROCES

467

MAX1727EUG

MAX1727EUG

Analog Devices, Inc.

MAX1727 GSM CELLULAR/PCN HANDSET

3490

MAX8622ETB+T

MAX8622ETB+T

Analog Devices, Inc.

XENON PHOTOFLASH CHARGER

17410

MAX6898AAZT+

MAX6898AAZT+

Analog Devices, Inc.

MAX6898 ULTRA-SMALL, ADJUSTABLE

2109

MAX6376XR26+

MAX6376XR26+

Analog Devices, Inc.

MAX6376 3-PIN, ULTRA-LOW-POWER V

5960

LTC4125IUFD#TRPBF

LTC4125IUFD#TRPBF

Analog Devices, Inc.

5W AUTORESONANT WIRELESS POWER T

0

LTC3557EUF#TRPBF

LTC3557EUF#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGE 28-QFN

0

ADN8831ACPZ-REEL7

ADN8831ACPZ-REEL7

Analog Devices, Inc.

IC THERMO COOLER CTRLR 32LFCSP

4275

LT4430HS6#TRMPBF

LT4430HS6#TRMPBF

Analog Devices, Inc.

IC OPTOCOUPLER GATE DRVR SOT23-6

0

MAX1823HEUB+

MAX1823HEUB+

Analog Devices, Inc.

DUAL USB SWITCH

1942

LTC3589IUJ-2#PBF

LTC3589IUJ-2#PBF

Analog Devices, Inc.

IC POWER MANAGEMENT

728

ADP2450ACPZ-4-R7

ADP2450ACPZ-4-R7

Analog Devices, Inc.

INDUSTRIAL CIRCUIT BREAKER PMU

0

LT3484EDCB-0#TRMPBF

LT3484EDCB-0#TRMPBF

Analog Devices, Inc.

IC PHOTOFLASH CAP CHARGER 6-DFN

342

MAX6837FXSD0+

MAX6837FXSD0+

Analog Devices, Inc.

MAX6837 ULTRA-LOW-VOLTAGE VOLTAG

907

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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