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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
TLE8104EXT

TLE8104EXT

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 DSO-20

0
AUIPS6041RTRL

AUIPS6041RTRL

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

5424
BTS141TCBUMA1

BTS141TCBUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO263-3

112
BTS117BKSA1

BTS117BKSA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO220-3

332
BTS3205GXUMA1

BTS3205GXUMA1

IR (Infineon Technologies)

BTS3205 - HITFET, AUTOMOTIVE SMA

24743
BTS723GWXUMA1

BTS723GWXUMA1

IR (Infineon Technologies)

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

0
BTF60702ERVXUMA1

BTF60702ERVXUMA1

IR (Infineon Technologies)

IC SWTCH HISIDE SMRT

0
BTT60502ERAXUMA1

BTT60502ERAXUMA1

IR (Infineon Technologies)

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

0
AUIPS1011STRL

AUIPS1011STRL

IR (Infineon Technologies)

AUIPS1011 - HITFET, AUTOMOTIVE S

5600
BTS70802EPAXUMA1

BTS70802EPAXUMA1

IR (Infineon Technologies)

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

0
TLE7243SLXUMA2

TLE7243SLXUMA2

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:2 24SSOP

0
BTS3028SDRATMA1

BTS3028SDRATMA1

IR (Infineon Technologies)

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

2589
BTS500801TEBAUMA1

BTS500801TEBAUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO252-5

261
IPS7071GTRPBF

IPS7071GTRPBF

IR (Infineon Technologies)

PROTECTED HIGH SIDE SWITCH

0
BTS5460SFXUMA1

BTS5460SFXUMA1

IR (Infineon Technologies)

SPOC SPI POWER CONTROLLER

7000
BTS6163DAUMA1

BTS6163DAUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO252-5

8890
BSP752TXUMA1

BSP752TXUMA1

IR (Infineon Technologies)

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

0
TLE7232GS

TLE7232GS

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

2105
BTS500851TMAATMA1

BTS500851TMAATMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO220-7

25713
BTT60501ERAXUMA1

BTT60501ERAXUMA1

IR (Infineon Technologies)

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

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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