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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
BTS716GBXUMA1

BTS716GBXUMA1

IR (Infineon Technologies)

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

1280
BTS4160DGAXUMA1

BTS4160DGAXUMA1

IR (Infineon Technologies)

BTS4160 - PROFET - SMART HIGH SI

4595
ITS4040DEPDXUMA1

ITS4040DEPDXUMA1

IR (Infineon Technologies)

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

3299
ITS716GFUMA1

ITS716GFUMA1

IR (Infineon Technologies)

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

6
BTS500251TADATMA2

BTS500251TADATMA2

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO263-7

532
TLE7234SEXUMA1

TLE7234SEXUMA1

IR (Infineon Technologies)

TLE7234 - SPIDER - SPI DRIVER FO

63739
BTS3256DAUMA1

BTS3256DAUMA1

IR (Infineon Technologies)

BTS3256 - HITFET, AUTOMOTIVE SMA

2375
TLE7234EM

TLE7234EM

IR (Infineon Technologies)

SPI DRIVER

1516
TLE7241EXUMA1

TLE7241EXUMA1

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:2 DSO-20

0
TLE7230GXUMA1

TLE7230GXUMA1

IR (Infineon Technologies)

SPI DRIVER FOR RELAY CONTROL

0
TLE6225GXUMA1

TLE6225GXUMA1

IR (Infineon Technologies)

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

0
BTS5210LAUMA1

BTS5210LAUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 DSO-12

0
ITS4880RCUMA1

ITS4880RCUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 DSO-36

498
BTS50452EKAXUMA1

BTS50452EKAXUMA1

IR (Infineon Technologies)

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

0
IPS511

IPS511

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

11235
BTS70202EPAXUMA1

BTS70202EPAXUMA1

IR (Infineon Technologies)

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

0
ITS42008SBDAUMA1

ITS42008SBDAUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 DSO-36

380
BTS4175SGAXUMA1

BTS4175SGAXUMA1

IR (Infineon Technologies)

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

0
AUIPS2041LTR

AUIPS2041LTR

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 SOT223

0
BTT60502EKAXUMA1

BTT60502EKAXUMA1

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

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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