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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
BTS141E3045ANTMA1

BTS141E3045ANTMA1

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

23000
BTS141BKSA1

BTS141BKSA1

IR (Infineon Technologies)

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

81
BTS612N1E3128A

BTS612N1E3128A

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

2510
BTT60302ERAXUMA1

BTT60302ERAXUMA1

IR (Infineon Technologies)

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

0
BTS432E2BKSA1

BTS432E2BKSA1

IR (Infineon Technologies)

BTS432 - SMART HIGHSIDE POWER SW

0
AUIPS1021

AUIPS1021

IR (Infineon Technologies)

AUIPS1021 - AUTOMOTIVE INTELLIGE

50750
IS01H8026

IS01H8026

IR (Infineon Technologies)

ISOFACE TRANSFORMER

0
TLE824533SAAUMA1

TLE824533SAAUMA1

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:3 DSO-36

0
DHS1011AUMA1

DHS1011AUMA1

IR (Infineon Technologies)

DSO-12-13

19000
TLE7240SLXUMA4

TLE7240SLXUMA4

IR (Infineon Technologies)

IC DRIVER SPI 8CH LS 24SSOP

0
TLE7236EMXUMA1

TLE7236EMXUMA1

IR (Infineon Technologies)

DRIVER FOR RELAY CONTROL

12500
ITS4880R

ITS4880R

IR (Infineon Technologies)

ITS4880 - PROFET - SMART HIGH SI

0
TLE7237SLXUMA2

TLE7237SLXUMA2

IR (Infineon Technologies)

IC DRIVER SPI RELAY CTRL 24SSOP

0
BTS5461SF

BTS5461SF

IR (Infineon Technologies)

SPOC SPI POWER CONTROLLER

1060
TLE7233GXUMA1

TLE7233GXUMA1

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:4 24SSOP

0
BTS410E2E3043BKSA1

BTS410E2E3043BKSA1

IR (Infineon Technologies)

IC PWR SWITCH HI SIDE TO220-5

0
BTS56033LBAXUMA1

BTS56033LBAXUMA1

IR (Infineon Technologies)

BTS560 - SPOC SPI POWER CONTROL

0
TLE75242EMDXUMA1

TLE75242EMDXUMA1

IR (Infineon Technologies)

TLE75242 - SPIDER - SPI DRIVER F

0
TLE6230GPAUMA1

TLE6230GPAUMA1

IR (Infineon Technologies)

TLE6230 - FLEX: FOR POWERTRAIN A

0
BTS5030-2EKA

BTS5030-2EKA

IR (Infineon Technologies)

BTS5030 - PROFET - SMART HIGH SI

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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