PMIC - Current Regulation/Management

Image Part Number Description / PDF Quantity Rfq
MAX4915AEUK/V+T

MAX4915AEUK/V+T

Analog Devices, Inc.

200MA, CURRENT-LIMIT SWITCH WITH

2500

MAX4210BETT

MAX4210BETT

Analog Devices, Inc.

HS POWER/CURRENT MONITOR

1925

LT3092MPST#TRPBF

LT3092MPST#TRPBF

Analog Devices, Inc.

IC PROG CURRENT SOURCE SOT223-3

568

AD8210YRZ-REEL

AD8210YRZ-REEL

Analog Devices, Inc.

IC CURRENT MONITOR 0.5% 8SOIC

0

LT3092IST#TRPBF

LT3092IST#TRPBF

Analog Devices, Inc.

IC PROG CUR SOURCE SOT223

4142

LT3092EST#TRPBF

LT3092EST#TRPBF

Analog Devices, Inc.

IC PROG CURRENT SOURCE SOT223-3

4125

AD8211YRJZ-RL7

AD8211YRJZ-RL7

Analog Devices, Inc.

IC CURRENT MONITOR 0.25% SOT23-5

0

MAX1693HEUB

MAX1693HEUB

Analog Devices, Inc.

USB CURRENT-LIMITED SWITCHES

179

AD8214ARMZ-R7

AD8214ARMZ-R7

Analog Devices, Inc.

IC CURRENT SHUNT COMP OUT 8MSOP

4614

MAX4995BAVB+T

MAX4995BAVB+T

Analog Devices, Inc.

MAX4995 50MILLIAMP TO 600MILLIAM

183

MAX4007EUT

MAX4007EUT

Analog Devices, Inc.

HIGH-SIDE CURRENT MONITOR

3739

MAX4210DEUA

MAX4210DEUA

Analog Devices, Inc.

HIGH-SIDE POWER/CURRENT MONITOR

5503

AD8212YRMZ-R7

AD8212YRMZ-R7

Analog Devices, Inc.

IC CURRENT MONITOR 8MSOP

1060

ADN8810ACPZ

ADN8810ACPZ

Analog Devices, Inc.

IC CURRENT SOURCE 12BIT 24LFCSP

2504

MAX4211FETE

MAX4211FETE

Analog Devices, Inc.

HIGH-SIDE POWER/CURRENT MONITOR

2737

LT3092ETS8#TRMPBF

LT3092ETS8#TRMPBF

Analog Devices, Inc.

IC CURRENT SOURCE 1% TSOT23-8

17108

LT3092IDD#PBF

LT3092IDD#PBF

Analog Devices, Inc.

IC PROG CURRENT SOURCE 8DFN

112

AD8215WYRZ

AD8215WYRZ

Analog Devices, Inc.

IC CURRENT MONITOR 0.15% 8SOIC

5

LT3092EDD#TRPBF

LT3092EDD#TRPBF

Analog Devices, Inc.

IC PROG CURRENT SOURCE 8DFN

10

AD8217BRMZ

AD8217BRMZ

Analog Devices, Inc.

IC CURRENT MONITOR HI SIDE 8MSOP

250

PMIC - Current Regulation/Management

1. Overview

Power Management Integrated Circuits (PMICs) for current regulation and management are specialized semiconductor devices designed to control, monitor, and optimize electrical current flow in electronic systems. These ICs ensure stable power delivery, improve energy efficiency, and protect circuits from overcurrent, thermal, and voltage-related faults. With the rise of portable electronics, electric vehicles, and IoT devices, precise current management has become critical for system reliability and battery longevity.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Linear Regulators (LDOs)Low noise, simple design, dropout voltage constraintsSmartphones, RF modules
Switching RegulatorsHigh efficiency, PWM control, higher complexityLaptops, DC-DC converters
Battery Charge Management ICsSupport Li-ion/Polymer chemistries, thermal regulationElectric vehicles, drones
Current Sense AmplifiersPrecise current monitoring, low-side/high-side detectionIndustrial automation, power meters

3. Structure and Composition

Typical PMICs for current regulation integrate multiple components:

  • Voltage reference circuits for stable reference points
  • Error amplifiers for feedback control
  • Power MOSFETs or BJT switches for current regulation
  • Protection circuits (OCP, OVP, thermal shutdown)
  • Digital interfaces (I2C, PMBus) for programmability

Common packaging includes QFN, BGA, and TSSOP formats with thermal pads for heat dissipation.

4. Key Technical Parameters

ParameterDescriptionImportance
Input Voltage RangeOperating voltage limitsDefines compatibility with power sources
Output Current CapabilityMax sustained current deliveryDictates load capacity
Efficiency (Typical)Power conversion ratioAffects thermal and battery life
Quiescent CurrentStandby power consumptionCritical for low-power devices
Transient ResponseStability during load changesEnsures reliable operation

5. Application Fields

  • Consumer Electronics: Smartphones, wearables, tablets
  • Automotive: Battery management systems, ADAS modules
  • Industrial: PLCs, robotics, test equipment
  • Telecommunications: Base stations, optical transceivers

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsBQ25790Single-cell battery charger with 30V OVP
STMicroelectronicsSTBC08Automotive current sensor with 5% accuracy
Infineon TechnologiesXDPL210Digital PFC+LLC controller for servers

7. Selection Guidelines

  1. Determine input/output voltage/current requirements
  2. Evaluate efficiency needs based on thermal constraints
  3. Select appropriate protection features (OCP/OVP/OTP)
  4. Consider package size and thermal performance
  5. Assess digital control requirements (I2C/PMBus compatibility)

8. Industry Trends

Current PMIC development focuses on:

  • Higher integration (power + monitoring + communication)
  • Wide bandgap semiconductor adoption (GaN/SiC compatibility)
  • AI-driven dynamic voltage/current scaling
  • Automotive-grade reliability for EVs and ADAS systems
  • Sub-100 A quiescent current for always-on IoT devices
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