PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX6343LUT+

MAX6343LUT+

Analog Devices, Inc.

MAX6343 6-PIN MICROPROCESSOR RES

1716

MAX1804EUB

MAX1804EUB

Analog Devices, Inc.

FEEDBACK INTEGRATOR

4783

MAX6418UK23+

MAX6418UK23+

Analog Devices, Inc.

MAX6418 LOW-POWER, DUAL-VOLTAGE

856

MAX14576ETA+T

MAX14576ETA+T

Analog Devices, Inc.

SIGNAL CONDITIONER

2500

LT4430IS6#TRMPBF

LT4430IS6#TRMPBF

Analog Devices, Inc.

IC OPTOCOUPLER GATE DRVR SOT23-6

625

MAX6834FXRD0+

MAX6834FXRD0+

Analog Devices, Inc.

MAX6834 ULTRA-LOW-VOLTAGE VOLTAG

1813

MAX6328UR27+

MAX6328UR27+

Analog Devices, Inc.

MAX6328 3-PIN, ULTRA-LOW-POWER S

142

ADN8834ACBZ-R7

ADN8834ACBZ-R7

Analog Devices, Inc.

IC THERMO COOLER DRIVER 25WLCSP

1888

MAX6382XR29D3+

MAX6382XR29D3+

Analog Devices, Inc.

MAX6382 SINGLE LOW-VOLTAGE, LOW-

3891

MAX6801UR46D3+

MAX6801UR46D3+

Analog Devices, Inc.

MAX6801 3-PIN, LOW-POWER MICROPR

1137

LTC3588EDD-1#TRPBF

LTC3588EDD-1#TRPBF

Analog Devices, Inc.

IC ENERGY HARVESTING PSU 10DFN

0

MAX6719UTMRD3+

MAX6719UTMRD3+

Analog Devices, Inc.

MAX6719 TRIPLE, ULTRA-LOW-VOLTAG

1640

LTC3588EMSE-1#TRPBF

LTC3588EMSE-1#TRPBF

Analog Devices, Inc.

IC ENERGY HARVESTING PSU 10MSOP

0

LTC3555IUFD#TRPBF

LTC3555IUFD#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGER 28-QFN

0

MAX6364PUT23+

MAX6364PUT23+

Analog Devices, Inc.

MAX6364 LOW-POWER MICROPROCESSO

1229

LTC3586EUFE-2#TRPBF

LTC3586EUFE-2#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGER HE 38-QFN

0

LTC3576EUFE-1#PBF

LTC3576EUFE-1#PBF

Analog Devices, Inc.

IC POWER MANAGER W/USB OTG 38QFN

36

MAX8890ETCJJJ

MAX8890ETCJJJ

Analog Devices, Inc.

CELLULAR RF POWER-MANAGEMENT

5816

LTC3588IDD-1#TRPBF

LTC3588IDD-1#TRPBF

Analog Devices, Inc.

IC ENERGY HARVESTING PSU 10DFN

0

LTC3588IDD-1#PBF

LTC3588IDD-1#PBF

Analog Devices, Inc.

PIEZOELECTRIC ENERGY HARVESTING

332

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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