PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX6722UTLTD3+

MAX6722UTLTD3+

Analog Devices, Inc.

MAX6722 DUAL/TRIPLE, ULTRA-LOW-V

1908

MAX6834IXRD3+

MAX6834IXRD3+

Analog Devices, Inc.

MAX6834 ULTRA-LOW-VOLTAGE VOLTAG

18056

LTC2971HY-3#PBF

LTC2971HY-3#PBF

Analog Devices, Inc.

2-CHANNEL HIGH VOLTAGE PMBUS POW

0

MAX6327UR31+

MAX6327UR31+

Analog Devices, Inc.

MAX6327 3-PIN, ULTRA-LOW-POWER S

470

MAX6375XR22+

MAX6375XR22+

Analog Devices, Inc.

MAX6375 3-PIN, ULTRA-LOW-POWER V

425

LTC3108IDE#PBF

LTC3108IDE#PBF

Analog Devices, Inc.

IC CONV BOOST PROG 4.5MA 12DFN

142

LTC4360ISC8-1#TRMPBF

LTC4360ISC8-1#TRMPBF

Analog Devices, Inc.

IC OVERVOLTAGE PROT CONT SC70-8

4488

MAX6381XR46D3+

MAX6381XR46D3+

Analog Devices, Inc.

MAX6381 SINGLE LOW-VOLTAGE, LOW-

173

LTC4367HDD-1#TRPBF

LTC4367HDD-1#TRPBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

0

LTC4362CDCB-1#TRPBF

LTC4362CDCB-1#TRPBF

Analog Devices, Inc.

IC OVERVOLT/OVERCUR PROT 8-DFN

0

LT4430ES6#TRMPBF

LT4430ES6#TRMPBF

Analog Devices, Inc.

IC OPTOCOUPLER GATE DRVR SOT23-6

814

MAX6363LUT26+

MAX6363LUT26+

Analog Devices, Inc.

MAX6363 LOW-POWER MICROPROCESSO

270

MAX6725KAZWD3+

MAX6725KAZWD3+

Analog Devices, Inc.

MAX6725 TRIPLE, ULTRA-LOW-VOLTAG

3508

LTC3108EGN-1#PBF

LTC3108EGN-1#PBF

Analog Devices, Inc.

IC VOLTAGE CONVERTER 16-SSOP

140

MAX6804US26D3+

MAX6804US26D3+

Analog Devices, Inc.

MAX6804 4-PIN, LOW-POWER MICROPR

1281

MAX6314US26D2+

MAX6314US26D2+

Analog Devices, Inc.

MAX6314 68HC11/BIDIRECTIONAL-COM

2906

MAX6719AUTTWD3+

MAX6719AUTTWD3+

Analog Devices, Inc.

MAX6719 TRIPLE, ULTRA-LOW-VOLTAG

608

LTC3586EUFE-3#TRPBF

LTC3586EUFE-3#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGER HE 38-QFN

0

MAX8685CETA+T

MAX8685CETA+T

Analog Devices, Inc.

XENON PHOTOFLASH CHARGER

5000

MAX6455UT26S+

MAX6455UT26S+

Analog Devices, Inc.

MAX6455 MICRO PROCESSOR SUPERVIS

1127

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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