PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
LTC3351IUFF#PBF

LTC3351IUFF#PBF

Analog Devices, Inc.

HOT SWAPPABLE HIGH CURRENT SUPER

0

MAX1798EUP

MAX1798EUP

Analog Devices, Inc.

CDMA CELLULAR/PCS SYSTEM POWER

1132

MAX6423US29+

MAX6423US29+

Analog Devices, Inc.

MAX6423 LOW-POWER, SOT MICROPROC

0

MAX6425UK16+

MAX6425UK16+

Analog Devices, Inc.

MAX6425 LOW-POWER, SOT MICROPROC

2013

LTC3108EDE#PBF

LTC3108EDE#PBF

Analog Devices, Inc.

IC CONV BOOST PROG 4.5MA 12DFN

442

LTC4361CTS8-1#TRPBF

LTC4361CTS8-1#TRPBF

Analog Devices, Inc.

IC CTLR OVP LATCHOFF TSOT23-8

0

MAX1799EUP-TG068

MAX1799EUP-TG068

Analog Devices, Inc.

CDMA CELLULAR/PCS SYSTEM POWER

1000

LT3485EDD-0#PBF

LT3485EDD-0#PBF

Analog Devices, Inc.

IC CHARGER PHOTOFLASH 10-DFN

97

MAX6728KASVD3+T

MAX6728KASVD3+T

Analog Devices, Inc.

MAX6728 TRIPLE, ULTRA-LOW-VOLTAG

6875

LTC3588IMSE-2#TRPBF

LTC3588IMSE-2#TRPBF

Analog Devices, Inc.

IC ENERGY HARVESTING PSU 10MSOP

0

MAX5903LCEUT+

MAX5903LCEUT+

Analog Devices, Inc.

MAX5903 +72V TDFN, SIMPLE SWAPPE

3833

MAX4845ELT+

MAX4845ELT+

Analog Devices, Inc.

POWER SUPPLY SUPPORT CIRCUIT, FI

227847

LTC3589HUJ-2#PBF

LTC3589HUJ-2#PBF

Analog Devices, Inc.

IC POWER MANAGEMENT

143

LTC1699EGN-82#TRPBF

LTC1699EGN-82#TRPBF

Analog Devices, Inc.

IC PROGRAMMER VOLT SMBUS 16SSOP

0

MAX5900AAEUT+

MAX5900AAEUT+

Analog Devices, Inc.

MAX5900 -100V TDFN, SIMPLE SWAPP

992

LTC1699EMS8-81#TRPBF

LTC1699EMS8-81#TRPBF

Analog Devices, Inc.

IC PROGRAMMER VOLT SMBUS 8MSOP

0

MAX16037PLA29+

MAX16037PLA29+

Analog Devices, Inc.

MAX16037 LOW-POWER BATTERY-BACKU

489

LTC3586EUFE#TRPBF

LTC3586EUFE#TRPBF

Analog Devices, Inc.

IC MANAGER USB PWR HI-EFF 38QFN

2869

ADP3820AR-4.1

ADP3820AR-4.1

Analog Devices, Inc.

LITHIIUM-ION BATTERY CHARGER

20537

LTC4361HTS8-1#TRMPBF

LTC4361HTS8-1#TRMPBF

Analog Devices, Inc.

IC OVP/OCP PROTECTION CTLR 8TSOT

0

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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