PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
LTC3566EUF#TRPBF

LTC3566EUF#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGER 24-QFN

0

MAX6383XR46D2+

MAX6383XR46D2+

Analog Devices, Inc.

MAX6383 SC70, SINGLE LOW-VOLTAGE

1947

MAX4981ETA+T

MAX4981ETA+T

Analog Devices, Inc.

POWER MANAGEMENT CIRCUIT, BICMOS

52500

LTC3554EUD-1#TRPBF

LTC3554EUD-1#TRPBF

Analog Devices, Inc.

IC USB POWER MANAGER 20QFN

0

MAX810MEXR+

MAX810MEXR+

Analog Devices, Inc.

MAX810 3-PIN MICROPROCESSOR RESE

4906

AD9394BCBZ-R7

AD9394BCBZ-R7

Analog Devices, Inc.

5 V CHARGE PUMP HDMI TX COMPANIO

21000

MAX6835VXSD1+

MAX6835VXSD1+

Analog Devices, Inc.

MAX6835 ULTRA-LOW-VOLTAGE VOLTAG

1737

MAX6380UR37+

MAX6380UR37+

Analog Devices, Inc.

MAX6380 3-PIN, ULTRA-LOW-POWER V

316

LTC4361IDC-2#TRMPBF

LTC4361IDC-2#TRMPBF

Analog Devices, Inc.

IC OVERVOLTAGE PROT CONT 8-DFN

2027

MAX6389XS23D3+

MAX6389XS23D3+

Analog Devices, Inc.

MAX6389 SC70, SINGLE LOW-VOLTAGE

2415

MAX6721UTRVD3+

MAX6721UTRVD3+

Analog Devices, Inc.

MAX6721 DUAL/TRIPLE, ULTRA-LOW-V

1846

MAX9610TEXK+

MAX9610TEXK+

Analog Devices, Inc.

MAX9610 1 MICROAMPS, UDFN/SC70,

1010

MAX6832VXRD0+

MAX6832VXRD0+

Analog Devices, Inc.

MAX6832 ULTRA-LOW-VOLTAGE VOLTAG

1725

ADN8833ACPZ-R7

ADN8833ACPZ-R7

Analog Devices, Inc.

IC THERMO COOLER DRIVER 24LFCSP

2871

MAX5058AUI+

MAX5058AUI+

Analog Devices, Inc.

SYNCHRONOUS RECTIFIER DRIVER

2650

MAX6368PKA44+

MAX6368PKA44+

Analog Devices, Inc.

MAX6368 LOW-POWER MICROPROCESSO

2821

LT3420EDD#TRPBF

LT3420EDD#TRPBF

Analog Devices, Inc.

IC PHOTOFLASH CAP CHARGER 10-DFN

0

MAX6756UKWD3+

MAX6756UKWD3+

Analog Devices, Inc.

MAX6756 LOW-POWER, SINGLE-VOLTAG

2219

LT3585EDDB-2#TRPBF

LT3585EDDB-2#TRPBF

Analog Devices, Inc.

IC CHARGER PHOTOFLASH 10-DFN

0

ADM1191-2ARMZ-R7

ADM1191-2ARMZ-R7

Analog Devices, Inc.

IC PWR MONITOR DGTL ALERT 10MSOP

1263

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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