PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
MAX6375XR31+

MAX6375XR31+

Analog Devices, Inc.

MAX6375 3-PIN, ULTRA-LOW-POWER V

1854

LTC3588EMSE-1#PBF

LTC3588EMSE-1#PBF

Analog Devices, Inc.

IC ENERGY HARVESTING PSU 10MSOP

927

LTC4362IDCB-2#TRPBF

LTC4362IDCB-2#TRPBF

Analog Devices, Inc.

IC OVERVOLT/OVERCUR PROT 8-DFN

0

MAX6712SEXS+

MAX6712SEXS+

Analog Devices, Inc.

MAX6712 4-PIN MICROPROCESSOR RES

1755

MAX6306UK44D2+

MAX6306UK44D2+

Analog Devices, Inc.

MAX6306 5-PIN, MULTIPLE-INPUT, P

9013

LT3484EDCB-2#TRPBF

LT3484EDCB-2#TRPBF

Analog Devices, Inc.

IC PHOTOFLASH CAP CHARGER 6-DFN

0

LTC3553EUD-2#PBF

LTC3553EUD-2#PBF

Analog Devices, Inc.

IC USB POWER MANAGER 20QFN

0

MAX6378XR44+

MAX6378XR44+

Analog Devices, Inc.

MAX6378 3-PIN, ULTRA-LOW-POWER V

702

LTC4365CTS8#TRPBF

LTC4365CTS8#TRPBF

Analog Devices, Inc.

IC OVERVOLTAGE PROT TSOT23-8

0

MAX6777XK+

MAX6777XK+

Analog Devices, Inc.

MAX6777 LOW-POWER, 1PERCENT-ACCU

113

LT8550IUKG#PBF

LT8550IUKG#PBF

Analog Devices, Inc.

MULTIPHASE BUCK CONVERTER EXPAND

45

MAX6424UK46+

MAX6424UK46+

Analog Devices, Inc.

MAX6424 LOW-POWER, SOT MICROPROC

2147

LTC1699EGN-82#PBF

LTC1699EGN-82#PBF

Analog Devices, Inc.

IC PROGRAMMER VOLT SMBUS 16SSOP

0

LTC3588EDD-1#PBF

LTC3588EDD-1#PBF

Analog Devices, Inc.

IC ENERGY HARVESTING PSU 10DFN

92

LTC3331IUH#TRPBF

LTC3331IUH#TRPBF

Analog Devices, Inc.

IC REG BUCK/LDO SYNC 50MA 32QFN

0

LT3468ES5#TRPBF

LT3468ES5#TRPBF

Analog Devices, Inc.

IC PHOTOFLASH CAP CHRGR TSOT23-5

0

MAX6866UK26D3L+

MAX6866UK26D3L+

Analog Devices, Inc.

MAX6866 NANOPOWER MICROPROCESSOR

1254

LTC3577EUFF-1#PBF

LTC3577EUFF-1#PBF

Analog Devices, Inc.

IC PWR MANAGEMENT HANDHELD 44QFN

0

ADP3408ACP-1.8-RL7

ADP3408ACP-1.8-RL7

Analog Devices, Inc.

IC GSM PWR MGMT SYST 32LFCSP

42165

MAX6375UR29+

MAX6375UR29+

Analog Devices, Inc.

MAX6375 3-PIN, ULTRA-LOW-POWER V

750

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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