PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX6722UTSHD3+

MAX6722UTSHD3+

Analog Devices, Inc.

MAX6722 DUAL/TRIPLE, ULTRA-LOW-V

1824

LTC1153CS8#TRPBF

LTC1153CS8#TRPBF

Analog Devices, Inc.

IC ELECTR CIRCUIT BREAKER 8-SOIC

2110

LTC1699EGN-81#PBF

LTC1699EGN-81#PBF

Analog Devices, Inc.

IC PROGRAMMER VOLT SMBUS 16SSOP

0

MAX6314US31D3+

MAX6314US31D3+

Analog Devices, Inc.

MAX6314 68HC11/BIDIRECTIONAL-COM

5199

MAX6721UTTGD3+

MAX6721UTTGD3+

Analog Devices, Inc.

MAX6721 DUAL/TRIPLE, ULTRA-LOW-V

4337

LT3484EDCB-1#TRPBF

LT3484EDCB-1#TRPBF

Analog Devices, Inc.

IC PHOTOFLASH CAP CHARGER 6-DFN

0

MAX6722AUTSYD3+

MAX6722AUTSYD3+

Analog Devices, Inc.

MAX6722 DUAL/TRIPLE, ULTRA-LOW-V

2200

MAX812REUS

MAX812REUS

Analog Devices, Inc.

POWER SUPPLY SUPPORT CIRCUIT, FI

1451

LTC4365HDDB-1#TRMPBF

LTC4365HDDB-1#TRMPBF

Analog Devices, Inc.

IC OVERVOLTAGE PROTECT 8-DFN

1550

LTC3127EDD#PBF

LTC3127EDD#PBF

Analog Devices, Inc.

IC BUCK BOOST SYNC ADJ 10DFN

681

MAX6762TAWED3

MAX6762TAWED3

Analog Devices, Inc.

MAX6762 LOW-POWER, SINGLE/DUAL-V

1390

LTC3555IUFD#PBF

LTC3555IUFD#PBF

Analog Devices, Inc.

IC USB POWER MANAGER 28-QFN

0

MAX6833HXRD0+

MAX6833HXRD0+

Analog Devices, Inc.

MAX6833 ULTRA-LOW-VOLTAGE VOLTAG

802

MAX8890ETCDDD+

MAX8890ETCDDD+

Analog Devices, Inc.

RF-SECTION POWER-MANAGER

9328

LTC3553EUD-2#TRPBF

LTC3553EUD-2#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGER 20QFN

0

MAX3355EEBC

MAX3355EEBC

Analog Devices, Inc.

POWER SUPPLY SUPPORT CIRCUIT, FI

2379

MAX6835FXSD3+

MAX6835FXSD3+

Analog Devices, Inc.

MAX6835 ULTRA-LOW-VOLTAGE VOLTAG

1901

LTC3675EUFF#PBF

LTC3675EUFF#PBF

Analog Devices, Inc.

IC PWR SUPPLY + LED DRVR 44QFN

0

MAX6827RUT+

MAX6827RUT+

Analog Devices, Inc.

MAX6827 DUAL ULTRA-LOW-VOLTAGE

1115

MAX6753KA26+

MAX6753KA26+

Analog Devices, Inc.

MAX6753 UP RESET CKT W/CAPACITOR

3122

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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