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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
MC15XS3400CHFKR2

MC15XS3400CHFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 24PQFN

0
NX5P2190UKZ

NX5P2190UKZ

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 9WLCSP

1084
MC10XS3535DHFKR2

MC10XS3535DHFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:6 24PQFN

0
MC15XS3400DHFK

MC15XS3400DHFK

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 24PQFN

531
MC10XS3425EKR2

MC10XS3425EKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 32HSOP

0
MC10XS4200BAFKR2

MC10XS4200BAFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 23PQFN

0
MC10XS6200BEK

MC10XS6200BEK

NXP Semiconductors

IC PWR SWITCH HIGH SIDE 32SOIC

0
MC10XS6325EK

MC10XS6325EK

NXP Semiconductors

HIGH SIDE SWITCH, DUAL 10, SINGL

42
MC10XS6225BEK

MC10XS6225BEK

NXP Semiconductors

IC PWR SWITCH HIGH SIDE 32SOIC

0
MC50XSD200BEK

MC50XSD200BEK

NXP Semiconductors

HIGH-SIDE SWITCH, 12V

42
MC40XS6500CEKR2

MC40XS6500CEKR2

NXP Semiconductors

HIGH-SIDE SWITCH 12V PENTA 40MOH

0
MC06XS4200BFK

MC06XS4200BFK

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 23PQFN

0
MC33882PEP

MC33882PEP

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 32QFN

245
NX5P3001UKZ

NX5P3001UKZ

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 12WLCSP

32
NX20P5090UKAZ

NX20P5090UKAZ

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 15WLCSP

12530
NX5P2190UK012

NX5P2190UK012

NXP Semiconductors

HIGH-SIDE POWER SWITCH

0
NX3P1108UKZ

NX3P1108UKZ

NXP Semiconductors

IC PWR SWITCH P-CHAN 1:1 4WLCSP

5537
MC07XS6517BEKR2

MC07XS6517BEKR2

NXP Semiconductors

HIGH-SIDE SWITCH, 12V, TRIPLE 7M

940
MC35XS3400CHFKR2

MC35XS3400CHFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:4 24PQFN

0
MC10XS6325BEKR2

MC10XS6325BEKR2

NXP Semiconductors

IC PWR SWITCH 32SOIC

1000

PMIC - Power Distribution Switches, Load Drivers

1. Overview

Power Management Integrated Circuits (PMICs) featuring Power Distribution Switches and Load Drivers are critical components in modern electronic systems. These devices manage power routing, load control, and protection functions in applications ranging from portable devices to industrial equipment. Power Distribution Switches handle voltage/current path selection, while Load Drivers provide controlled driving capability for high-current loads. Their integration improves system efficiency, reduces component count, and enhances reliability.

2. Main Types & Functional Classification

TypeFunctional CharacteristicsApplication Examples
Load SwitchesLow RDS(on), fast turn-on/off, inrush current controlSmartphones, laptops, servers
Distribution SwitchesMulti-channel power path management, fault isolationAutomotive systems, industrial PLCs
Smart Load DriversIntegrated FETs + protection logic, current sensingRobotics, motor controls, LED lighting
Hot Swap ControllersControlled startup, overcurrent/voltage protectionData center servers, telecom equipment

3. Structure & Composition

Typical components include:

  • Power MOSFETs (usually NMOS/PMOS) with low on-resistance
  • Gate drivers and control logic circuits
  • Protection modules (OCP, OVP, OTP, UVLO)
  • Current sensing elements (shunt resistors or amplifiers)
  • Thermal management structures (heat spreaders, thermal vias)

Common packaging: QFN, TSSOP, BGA with exposed thermal pads

4. Key Technical Specifications

ParameterDescriptionImportance
RDS(on)On-state resistance (1-50 m range)Directly affects conduction loss
IMAXMaximum continuous current (0.5-10A typical)Determines load capacity
VSUPPLYOperating voltage range (2.7-40V typical)System compatibility factor
tON/OFFSwitching transition time (1-100 s)Affects EMI and power efficiency
Quiescent CurrentStandby power consumption ( A range)Battery life consideration

5. Application Fields

  • Consumer Electronics: Smartphones (display/backlight drivers), notebooks (peripheral power control)
  • Automotive: Electric vehicle power distribution, ADAS sensor power management
  • Industrial: PLCs, motor drives, test equipment
  • Telecom/Datacom: Server power rails, PoE systems, base stations
  • Medical: Portable diagnostic devices, imaging equipment

6. Leading Manufacturers & Products

ManufacturerProduct SeriesKey Features
Texas InstrumentsTPS229xx family18m RDS(on), 6A rating, load current monitoring
STMicroelectronicsVN7000 seriesSmart high-side switches, automotive qualified
InfineonBTS7xx seriesIntegrated diagnostics, 24V operation
ON SemiconductorNCP380 series40V tolerant, fast overcurrent protection

7. Selection Recommendations

Key consideration factors:

  1. Current/voltage requirements with safety margins (>20% over spec)
  2. Thermal performance: Junction-to-ambient thermal resistance
  3. Protection features matching application environment
  4. Control interface compatibility (GPIO, I2C, PWM)
  5. Package size vs. board space constraints

Case Study: For a 12V/3A motor driver in an industrial robot, select a device with:

  • RDS(on) < 30m to limit loss to <0.27W
  • Operating temperature range -40 C to 125 C
  • Integrated current sensing for feedback control

8. Industry Trends

  • Integration of GaN/SiC FETs for higher efficiency (2024-2030)
  • Development of bidirectional switches for energy recovery systems
  • Increasing adoption of digital control interfaces (PMBus compliance)
  • Tighter functional safety compliance (ISO 26262 for automotive)
  • Advanced thermal packaging (double-sided cooling, copper pillar technology)
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