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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
BTS3050TFATMA1

BTS3050TFATMA1

IR (Infineon Technologies)

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

4993
AUIPS72211R

AUIPS72211R

IR (Infineon Technologies)

AUIPS72211 - PROFET - SMART HIGH

0
TLE7231GXUMA1

TLE7231GXUMA1

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:4 DSO-14

0
BTS6480SFXUMA1

BTS6480SFXUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 3:4 DSO-36

0
BTT60101ERBXUMA1

BTT60101ERBXUMA1

IR (Infineon Technologies)

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

0
BTT60101EKAXUMA1

BTT60101EKAXUMA1

IR (Infineon Technologies)

SMART HIGH-SIDE POWER SWITCH

0
AUIPS7081S

AUIPS7081S

IR (Infineon Technologies)

AUIPS7081 - PROFET - SMART HIGH

3149
AUIPS6021

AUIPS6021

IR (Infineon Technologies)

AUIP6021 - AUTOMOTIVE INTELLIGEN

0
BTM7741G

BTM7741G

IR (Infineon Technologies)

BTM7741 - INTEGRATED FULL-BRIDGE

266
BTS141NKSA1

BTS141NKSA1

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

25690
AUIR3316S-INF

AUIR3316S-INF

IR (Infineon Technologies)

LATCH BASED PERIPHERAL DRIVER, 1

650
BTS611L1E3128ABUMA1

BTS611L1E3128ABUMA1

IR (Infineon Technologies)

BTS611L1 - PROFET - SMART HIGH S

0
BTF3080EJXUMA1

BTF3080EJXUMA1

IR (Infineon Technologies)

BTF3080 - HITFET

6997
BTS452RAKSA1

BTS452RAKSA1

IR (Infineon Technologies)

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

0
ITS5215LCUMA1

ITS5215LCUMA1

IR (Infineon Technologies)

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

0
BTS3104SDRATMA1

BTS3104SDRATMA1

IR (Infineon Technologies)

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

2500
BTS50080-1TMC

BTS50080-1TMC

IR (Infineon Technologies)

BTS50080 - PROFET - SMART HIGH S

500
BTS70122EPAXUMA1

BTS70122EPAXUMA1

IR (Infineon Technologies)

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

0
BSP742TXUMA1

BSP742TXUMA1

IR (Infineon Technologies)

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

0
BTS710404ESAXUMA1

BTS710404ESAXUMA1

IR (Infineon Technologies)

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

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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