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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
MC08XS6421CEK

MC08XS6421CEK

NXP Semiconductors

HIGH-SIDE SWITCH 12V DUAL 8MOHMS

0
MC22XSD200BEK-NXP

MC22XSD200BEK-NXP

NXP Semiconductors

HIGH-SIDE SWITCH, 36V, DUAL 22MO

42
NX5P3090UKZ

NX5P3090UKZ

NXP Semiconductors

IC PWR SWITCH 1:1 12WLCSP

26270
MC10XS3435BHFKR2

MC10XS3435BHFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 24PQFN

0
MC15XS3400CHFK

MC15XS3400CHFK

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 24PQFN

0
MC33880PEWR2

MC33880PEWR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:8 32SOIC

147
MC10XS4200BFK

MC10XS4200BFK

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 23PQFN

559
MC06XS4200FKR2

MC06XS4200FKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 23PQFN

0
MC10XS6325BEK

MC10XS6325BEK

NXP Semiconductors

IC PWR SWITCH HIGH SIDE 32SOIC

0
NX5P3363UKZ

NX5P3363UKZ

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 16WLCSP

7075
MC20XS4200BAFK

MC20XS4200BAFK

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 23PQFN

0
MC07XS6517BEK

MC07XS6517BEK

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 54HSOP

0
MC33982CHFKR2

MC33982CHFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 16QFN

0
MC40XS6500CEK

MC40XS6500CEK

NXP Semiconductors

HIGH-SIDE SWITCH 12V PENTA 40MOH

0
MC06XS3517AFKR2

MC06XS3517AFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:5 24PQFN

0
MC10XS3412CHFKR2

MC10XS3412CHFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 24PQFN

0
MC10XS3435DHFKR2

MC10XS3435DHFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 24PQFN

0
MC33984CHFKR2

MC33984CHFKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:2 16QFN

0
MC10XS4200FKR2

MC10XS4200FKR2

NXP Semiconductors

IC PWR SWITCH N-CHAN 1:1 23PQFN

0
MC17XS6400BEK

MC17XS6400BEK

NXP Semiconductors

BUFFER/INVERTER BASED MOSFET DRI

0

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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