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PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
PS8A0015WE

PS8A0015WE

Zetex Semiconductors (Diodes Inc.)

HEATER CONTROLLER SO-8

0
PI5USB30216DXUAEX

PI5USB30216DXUAEX

Zetex Semiconductors (Diodes Inc.)

IC PLUG IN DET TYPE C 12X2QFN

923
PI3USB9281CXWEX

PI3USB9281CXWEX

Zetex Semiconductors (Diodes Inc.)

IC USB 2.0 PORT DETECT 20UQFN

454
PS8A0015WEX

PS8A0015WEX

Zetex Semiconductors (Diodes Inc.)

HEATER CONTROLLER SO-8

0
AP43331NMTR-G1

AP43331NMTR-G1

Zetex Semiconductors (Diodes Inc.)

ACDC DECODER,SO-8,T&R,4K

39558000
PT8A3263BWE

PT8A3263BWE

Zetex Semiconductors (Diodes Inc.)

IC HEATING CONTROLLER 16SOIC

0
PT8A3252WEX

PT8A3252WEX

Zetex Semiconductors (Diodes Inc.)

HEATER CONTROLLER SO-16

0
ZABG6003JA16TC

ZABG6003JA16TC

Zetex Semiconductors (Diodes Inc.)

IC CTRLR BIAS FET U-QFN3030-16

2147483647
AP5727WG-7

AP5727WG-7

Zetex Semiconductors (Diodes Inc.)

IC LCD/OLED BIAS SUPPLY SOT25

2785
ZABG6004JA16TC

ZABG6004JA16TC

Zetex Semiconductors (Diodes Inc.)

IC CTRLR BIAS FET U-QFN3030-16

29053000
AP4370KTR-G1

AP4370KTR-G1

Zetex Semiconductors (Diodes Inc.)

ACDC PSR SWITCHER SOT26

2054
PI5USB30216BXUAE+CWX

PI5USB30216BXUAE+CWX

Zetex Semiconductors (Diodes Inc.)

USB2 SWITCH X2-QFN1616-12

0
AP4373AW5-7-01

AP4373AW5-7-01

Zetex Semiconductors (Diodes Inc.)

IC AC-DC CONTROLLER SOT25

3000
PI5USB31213XEAEX

PI5USB31213XEAEX

Zetex Semiconductors (Diodes Inc.)

IC USB TYPE C 24TQFN

0
PT8A3263BWEX

PT8A3263BWEX

Zetex Semiconductors (Diodes Inc.)

HEATER CONTROLLER SO-16

0
PI5USB30216BXUAEX

PI5USB30216BXUAEX

Zetex Semiconductors (Diodes Inc.)

PLUG IN DETECTOR FOR TYPE C CONN

0
PI5USB30216AXUAEX

PI5USB30216AXUAEX

Zetex Semiconductors (Diodes Inc.)

PLUG IN DETECTOR FOR TYPE C CONN

546
PT8A3263AWEX

PT8A3263AWEX

Zetex Semiconductors (Diodes Inc.)

HEATER CONTROLLER SO-16

0
PT8A3263AWE

PT8A3263AWE

Zetex Semiconductors (Diodes Inc.)

IC HEATING CONTROLLER 16SOIC

0
AP4312QK6TR-G1

AP4312QK6TR-G1

Zetex Semiconductors (Diodes Inc.)

IC VREF SHUNT ADJ SOT26

284357000

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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