PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX6761TATWD3

MAX6761TATWD3

Analog Devices, Inc.

MAX6761 LOW-POWER, SINGLE/DUAL-V

1565

LTC4361HDC-2#TRPBF

LTC4361HDC-2#TRPBF

Analog Devices, Inc.

IC OVP/OCP PROTECTION CTLR 8DFN

0

LTC3455EUF-1#PBF

LTC3455EUF-1#PBF

Analog Devices, Inc.

DUAL SWITCHING CONTROLLER, CURRE

4489

MAX6720UTYDD3+

MAX6720UTYDD3+

Analog Devices, Inc.

MAX6720 TRIPLE, ULTRA-LOW-VOLTAG

2473

MAX8890ETCAAA+

MAX8890ETCAAA+

Analog Devices, Inc.

RF-SECTION POWER-MANAGER

1269

MAX1799EUP

MAX1799EUP

Analog Devices, Inc.

CDMA CELLULAR/PCS SYSTEM POWER

12225

MAX6747KA45+

MAX6747KA45+

Analog Devices, Inc.

POWER MANAGEMENT CIRCUIT, ADJUST

226

LTC3577EUFF-4#TRPBF

LTC3577EUFF-4#TRPBF

Analog Devices, Inc.

IC PWR MANAGEMENT HANDHELD 44QFN

0

LT6110HTS8#TRMPBF

LT6110HTS8#TRMPBF

Analog Devices, Inc.

IC WIRE DROP COMPENSATOR

174

MAX6829ZWUT+

MAX6829ZWUT+

Analog Devices, Inc.

MAX6829 DUAL ULTRA-LOW-VOLTAGE

5906

LT3485EDD-2#TRPBF

LT3485EDD-2#TRPBF

Analog Devices, Inc.

IC CHARGER PHOTOFLASH 10-DFN

0

LT3585EDDB-3#TRMPBF

LT3585EDDB-3#TRMPBF

Analog Devices, Inc.

PHOTOFLASH CAPACITOR CHARGERS

0

MAX6358SYUT+

MAX6358SYUT+

Analog Devices, Inc.

MAX6358 DUAL-VOLTAGE MICROPROCES

77

MAX17117ETJ+

MAX17117ETJ+

Analog Devices, Inc.

MAX17117 INTERNAL-SWITCH BOOST R

2289

LTC3554EUD-2#TRPBF

LTC3554EUD-2#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGER 20-QFN

0

LTC3101EUF#PBF

LTC3101EUF#PBF

Analog Devices, Inc.

IC BUCK/BST TRPL ADJ 350MA 24QFN

1020

MAX6437UT+

MAX6437UT+

Analog Devices, Inc.

MAX6437 LOW-POWER, DUAL-LEVEL BA

1586

ADP3610ARU-REEL7

ADP3610ARU-REEL7

Analog Devices, Inc.

320MA VOLTAGE DOUBLER

8312

LTC4367CMS8#PBF

LTC4367CMS8#PBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

524

LTC4365HTS8#TRMPBF

LTC4365HTS8#TRMPBF

Analog Devices, Inc.

IC OVERVOLTAGE PROT TSOT23-8

3039

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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