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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
BTS5210G

BTS5210G

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

72780
ISP742RI

ISP742RI

IR (Infineon Technologies)

ISP742 - PROFET - SMART HIGH SID

0
AUIPS7081R

AUIPS7081R

IR (Infineon Technologies)

AUIPS7081 - PROFET - SMART HIGH

0
BTS50162EKAXUMA1

BTS50162EKAXUMA1

IR (Infineon Technologies)

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

0
BTS730XUMA1

BTS730XUMA1

IR (Infineon Technologies)

BTS730 - PROFET - SMART HIGH SID

600
BTT60101EKBXUMA1

BTT60101EKBXUMA1

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

0
TLE75602ESDXUMA1

TLE75602ESDXUMA1

IR (Infineon Technologies)

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

0
AUIPS1011S

AUIPS1011S

IR (Infineon Technologies)

INTELLIGENT POWER SWITCH

7268
AUIPS6041

AUIPS6041

IR (Infineon Technologies)

AUIP6041 - AUTOMOTIVE INTELLIGEN

0
ITS711L1FUMA1

ITS711L1FUMA1

IR (Infineon Technologies)

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

3520
ITS4200SSJDXUMA1

ITS4200SSJDXUMA1

IR (Infineon Technologies)

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

2747
BTS50015-1TMA

BTS50015-1TMA

IR (Infineon Technologies)

BTS50015 - PROFET - SMART HIGH S

0
BTS70061EPPXUMA1

BTS70061EPPXUMA1

IR (Infineon Technologies)

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

5064
AUIPS6031R

AUIPS6031R

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

0
BTS3205NHUSA1

BTS3205NHUSA1

IR (Infineon Technologies)

IC PWR SWTCH N-CHAN 1:1 SOT223-4

3459
ISP752TFUMA1

ISP752TFUMA1

IR (Infineon Technologies)

ISP752 - PROFET - SMART HIGH SID

0
BTS61101SJAXUMA2

BTS61101SJAXUMA2

IR (Infineon Technologies)

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

0
BTS640S2GATMA1

BTS640S2GATMA1

IR (Infineon Technologies)

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

121
TLE7235EMXUMA1

TLE7235EMXUMA1

IR (Infineon Technologies)

SPI DRIVER FOR RELAY CONTROL

22500
BTS70081EPPXUMA1

BTS70081EPPXUMA1

IR (Infineon Technologies)

IC PWR SWTCH N-CHAN 1:1 TSDSO-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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