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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
TLE8102SGAUMA1

TLE8102SGAUMA1

IR (Infineon Technologies)

TLE8102SG - FLEX, MULTICHANNEL S

1046
BTM7710GPXT

BTM7710GPXT

IR (Infineon Technologies)

BTM7710 - INTEGRATED FULL-BRIDGE

260
AUIPS8121RTRLXSMA1

AUIPS8121RTRLXSMA1

IR (Infineon Technologies)

IR_HSS-LSS-GATEDRIVER

0
BTS436L2GNTMA1

BTS436L2GNTMA1

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

0
TLE824523SAAUMA1

TLE824523SAAUMA1

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:2 DSO-36

0
BTS426L1E3062ANTMA1

BTS426L1E3062ANTMA1

IR (Infineon Technologies)

AUTOMOTIVE HIGH SIDE SWITCH

3260
2ED020I12FA

2ED020I12FA

IR (Infineon Technologies)

2ED020 - GATE DRIVER

0
BTS409L1E3062ANTMA1

BTS409L1E3062ANTMA1

IR (Infineon Technologies)

AUTOMOTIVE HIGH SIDE SWITCH

16804
TLE75004EPDXUMA1

TLE75004EPDXUMA1

IR (Infineon Technologies)

IC PWR DRVR N-CHAN 1:4 TSDSO-14

2875
BTS612N1E3128ANTMA1

BTS612N1E3128ANTMA1

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

12000
BTS611L1E3128ANTMA1

BTS611L1E3128ANTMA1

IR (Infineon Technologies)

2 CH HIGH-SIDE POWER SWITCH

100488
BTS50045-1TAC

BTS50045-1TAC

IR (Infineon Technologies)

AUTOMOTIVE SMART HIGH SIDE SWITC

14000
BTS50060-1EGA

BTS50060-1EGA

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

6918
BTS736L2NTMA1

BTS736L2NTMA1

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

11690
BTS133E3045ANTMA1

BTS133E3045ANTMA1

IR (Infineon Technologies)

AUTOMOTIVE SMART LOW-SIDE SWITCH

127000
AUIPS6011

AUIPS6011

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

1070
TLE7230R

TLE7230R

IR (Infineon Technologies)

TLE7230 - SPIDER - SPI DRIVER FO

0
BTS4880R

BTS4880R

IR (Infineon Technologies)

BTS4880 - PROFET - SMART HIGH SI

0
TLE7238SLXUMA2

TLE7238SLXUMA2

IR (Infineon Technologies)

IC DRIVER SPI RELAY CTRL 24SSOP

0
TLE6232GPAUMA2

TLE6232GPAUMA2

IR (Infineon Technologies)

TLE6232 - FLEX: FOR POWERTRAIN A

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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