PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX6762TALAD3+

MAX6762TALAD3+

Analog Devices, Inc.

MAX6762 LOW-POWER, SINGLE/DUAL-V

192

MAX14544ETA+T

MAX14544ETA+T

Analog Devices, Inc.

POWER MANAGEMENT CIRCUIT, BICMOS

107500

MAX845ESA

MAX845ESA

Analog Devices, Inc.

ISOLATED TRANSFORMER DRIVER

3531

MAX6896PALT+

MAX6896PALT+

Analog Devices, Inc.

MAX6896 ULTRA-SMALL, ADJUSTABLE

2065

MAX6719AUTVHD3+

MAX6719AUTVHD3+

Analog Devices, Inc.

MAX6719 TRIPLE, ULTRA-LOW-VOLTAG

1207

ADN8830ACP-REEL7

ADN8830ACP-REEL7

Analog Devices, Inc.

THERMOELECTRIC COOLER CONTROLLER

43313

LT3485EDD-3#TRPBF

LT3485EDD-3#TRPBF

Analog Devices, Inc.

IC CHARGER PHOTOFLASH 10-DFN

0

LTC4361IDC-1#TRPBF

LTC4361IDC-1#TRPBF

Analog Devices, Inc.

IC CTLR OVP LATCHOFF 8DFN

1230

MAX6701ATKA+

MAX6701ATKA+

Analog Devices, Inc.

MAX6701 LOW-VOLTAGE, MICROPROCES

1746

MAX6315US44D1+

MAX6315US44D1+

Analog Devices, Inc.

MAX6315 OPEN-DRAIN SOT MICROPROC

1847

LTC3555IUFD-3#TRPBF

LTC3555IUFD-3#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGER 28-QFN

0

MAX6412UK30+

MAX6412UK30+

Analog Devices, Inc.

MAX6412 LOW-POWER, SINGLE-VOLTAG

958

MAX6326XR25+

MAX6326XR25+

Analog Devices, Inc.

MAX6326 3-PIN, ULTRA-LOW-POWER S

3224

MAX6327UR26+

MAX6327UR26+

Analog Devices, Inc.

MAX6327 3-PIN, ULTRA-LOW-POWER S

7237

MAX6468XS22D3+

MAX6468XS22D3+

Analog Devices, Inc.

MAX6468 TRIPLE ULTRA-LOW-VOLTAGE

1875

LTC3589HUJ-1#PBF

LTC3589HUJ-1#PBF

Analog Devices, Inc.

IC CONV DC/DC 8-OUTPUT 40QFN

221

MAX8216ESD

MAX8216ESD

Analog Devices, Inc.

POWER SUPPLY SUPPORT CIRCUIT, FI

311

LTC3331EUH#PBF

LTC3331EUH#PBF

Analog Devices, Inc.

IC REG BUCK/LDO SYNC 50MA 32QFN

85

LTC3589EUJ#PBF

LTC3589EUJ#PBF

Analog Devices, Inc.

IC DC/DC CONV 8-OUTPUT 40QFN

52

LTC3586EUFE-3#PBF

LTC3586EUFE-3#PBF

Analog Devices, Inc.

IC USB POWER MANAGER HE 38-QFN

89

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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