PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
ADP2450ACPZ-1-R7

ADP2450ACPZ-1-R7

Analog Devices, Inc.

INDUSTRIAL CIRCUIT BREAKER PMU

0

MAX6412UK46+

MAX6412UK46+

Analog Devices, Inc.

MAX6412 LOW-POWER, SINGLE-VOLTAG

336

LTC4365ITS8-1#TRPBF

LTC4365ITS8-1#TRPBF

Analog Devices, Inc.

IC OVERVOLTAGE PROT TSOT23-8

0

LT3468ES5-2#TRMPBF

LT3468ES5-2#TRMPBF

Analog Devices, Inc.

IC PHOTOFLASH CAP CHRGR TSOT23-5

0

MAX6381XR25D2+

MAX6381XR25D2+

Analog Devices, Inc.

MAX6381 SINGLE LOW-VOLTAGE, LOW-

3582

LTC4361CTS8-2#TRMPBF

LTC4361CTS8-2#TRMPBF

Analog Devices, Inc.

IC OVERVOLTAGE/CUR PROT TSOT23-8

698

MAX6720AUTSDD3+

MAX6720AUTSDD3+

Analog Devices, Inc.

MAX6720 TRIPLE, ULTRA-LOW-VOLTAG

1978

LT3751IUFD#TRPBF

LT3751IUFD#TRPBF

Analog Devices, Inc.

IC CTRLR CAP CHRGR 4.75V 20-QFN

0

LTC4367IDD-1#PBF

LTC4367IDD-1#PBF

Analog Devices, Inc.

SUPPLY PROTECTION CONTROLLER

492

MAX16929FGUI/V+

MAX16929FGUI/V+

Analog Devices, Inc.

TFT-LCD POWER SUPPLY

7300

LTC4365HTS8#WTRPBF

LTC4365HTS8#WTRPBF

Analog Devices, Inc.

OVERVOLTAGE, UNDERVOLTAGE & REVE

0

MAX6418UK46+

MAX6418UK46+

Analog Devices, Inc.

MAX6418 LOW-POWER, DUAL-VOLTAGE

2247

MAX4865LELT+

MAX4865LELT+

Analog Devices, Inc.

MAX4865 OVERVOLTAGE PROTECTION C

750

LTC3588EMSE-2#TRPBF

LTC3588EMSE-2#TRPBF

Analog Devices, Inc.

IC ENERGY HARVESTING PSU 10MSOP

0

MAX6719UTTZD1+

MAX6719UTTZD1+

Analog Devices, Inc.

MAX6719 TRIPLE, ULTRA-LOW-VOLTAG

2790

MAX6750KA23+

MAX6750KA23+

Analog Devices, Inc.

POWER MANAGEMENT CIRCUIT, ADJUST

833

LT4430MPS6#TRPBF

LT4430MPS6#TRPBF

Analog Devices, Inc.

IC OPTOCOUPLER GATE DRVR SOT23-6

0

MAX15061ATE+

MAX15061ATE+

Analog Devices, Inc.

300 MILLIWATT BOOST CONVERTER

7950

MAX17114ETM+

MAX17114ETM+

Analog Devices, Inc.

SWITCHING REGULATOR

4386

MAX6825TUK+

MAX6825TUK+

Analog Devices, Inc.

MAX6825 LOW-VOLTAGE MICROPROCES

1198

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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