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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
TLE7240SLXUMA1

TLE7240SLXUMA1

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

0
BTT62004ESAXUMA1

BTT62004ESAXUMA1

IR (Infineon Technologies)

IC PWR SWTCH N-CHAN 1:1 TSDSO-24

0
BTS50202EKAXUMA2

BTS50202EKAXUMA2

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 DSO-14

0
AUIPS6121R

AUIPS6121R

IR (Infineon Technologies)

CURRENT SENSE HIGH SIDE SWITCH

1147
BTT60302EKAXUMA1

BTT60302EKAXUMA1

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

0
TLE4247EL40

TLE4247EL40

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

19657
TLE6214L

TLE6214L

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

18000
BTS3125EJXUMA1

BTS3125EJXUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TDSO-8

0
BTS436L2GATMA1

BTS436L2GATMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO263-5

1273
BTS72004EPAXUMA1

BTS72004EPAXUMA1

IR (Infineon Technologies)

IC 4CH HIGH SIDE SWITCH

2889
BTS54220LBAAUMA1

BTS54220LBAAUMA1

IR (Infineon Technologies)

SPOC SPI POWER CONTROLLER

43425
BTS5241GNUMA1

BTS5241GNUMA1

IR (Infineon Technologies)

BTS5241G - HIGH SIDE POWER SWITC

44000
BTS50902EKAXUMA1

BTS50902EKAXUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 DSO-14

0
ISO1H812GAUMA1

ISO1H812GAUMA1

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:8 DSO-36

1600
TLE75602ESHXUMA1

TLE75602ESHXUMA1

IR (Infineon Technologies)

IC PWR DRVR N-CHAN 1:8 TSDSO-24

0
BTS432E2E3062ABUMA1

BTS432E2E3062ABUMA1

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

0
BTS5240G

BTS5240G

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

0
BTS134DATMA1

BTS134DATMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO252-3

2500
BTS72002EPAXUMA1

BTS72002EPAXUMA1

IR (Infineon Technologies)

IC PWR SWTCH N-CHAN 1:1 TSDSO-14

0
AUIPS6011STRL

AUIPS6011STRL

IR (Infineon Technologies)

AUIPS6011S - INTELLIGENT POWER H

1560

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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