PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
LTC3567EUF#PBF

LTC3567EUF#PBF

Analog Devices, Inc.

IC USB POWER MANAGER 24-QFN

0

MAX6710GUT+

MAX6710GUT+

Analog Devices, Inc.

MAX6710 LOW-VOLTAGE, HIGH-ACCURA

1319

LTC3109EGN#PBF

LTC3109EGN#PBF

Analog Devices, Inc.

IC BOOST CONVERTER PMU 20SSOP

90

MAX6467US46D3+

MAX6467US46D3+

Analog Devices, Inc.

MAX6467 MICROPROCESSOR SUPERVISO

6307

MAX6854UK26D3+

MAX6854UK26D3+

Analog Devices, Inc.

MAX6854 NANOPOWER MICROPROCESSOR

1638

LTC3625IDE#PBF

LTC3625IDE#PBF

Analog Devices, Inc.

IC SUPERCAP CHARGER 1A 12DFN

13

MAX6725AKAVDD3+

MAX6725AKAVDD3+

Analog Devices, Inc.

MAX6725 TRIPLE, ULTRA-LOW-VOLTAG

2048

MAX6761TAWAD3

MAX6761TAWAD3

Analog Devices, Inc.

MAX6761 LOW-POWER, SINGLE/DUAL-V

1617

LT3468ES5-1#TRMPBF

LT3468ES5-1#TRMPBF

Analog Devices, Inc.

IC PHOTOFLASH CAP CHRGR TSOT23-5

0

ADN8833ACPZ-R2

ADN8833ACPZ-R2

Analog Devices, Inc.

IC THERMO COOLER DRIVER 24LFCSP

91

MAX5043ETN

MAX5043ETN

Analog Devices, Inc.

SWITCH PMIC, MOSFETS & HOT-SWAP

0

LTC4361CDC-1#TRPBF

LTC4361CDC-1#TRPBF

Analog Devices, Inc.

IC CTLR OVP LATCHOFF 8DFN

0

LTC3331IUH#PBF

LTC3331IUH#PBF

Analog Devices, Inc.

IC REG BUCK/LDO SYNC 50MA 32QFN

79

LTC4367IDD#TRPBF

LTC4367IDD#TRPBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

856

MAX6829TWUT+

MAX6829TWUT+

Analog Devices, Inc.

MAX6829 DUAL ULTRA-LOW-VOLTAGE

5148

LTC3108IGN-1#PBF

LTC3108IGN-1#PBF

Analog Devices, Inc.

IC BOOST PROGRAMABLE DUAL 16SSOP

74

MAX6755UKTD0+

MAX6755UKTD0+

Analog Devices, Inc.

MAX6755 LOW-POWER, SINGLE-VOLTAG

1092

MAX6755UKLD3+

MAX6755UKLD3+

Analog Devices, Inc.

MAX6755 LOW-POWER, SINGLE-VOLTAG

2066

MAX6723UTSHD3+

MAX6723UTSHD3+

Analog Devices, Inc.

MAX6723 TRIPLE, ULTRA-LOW-VOLTAG

1847

MAX6315US45D3+

MAX6315US45D3+

Analog Devices, Inc.

MAX6315 OPEN-DRAIN SOT MICROPROC

6537

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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