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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
IPS1021PBF

IPS1021PBF

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO220AB

0
BSP752TNUMA1

BSP752TNUMA1

IR (Infineon Technologies)

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

0
BTS442E2E3062ABUMA1

BTS442E2E3062ABUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO263-5

0
IPS021LTR

IPS021LTR

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:1 SOT223

0
AUIPS1042G

AUIPS1042G

IR (Infineon Technologies)

IC PWR SWITCH N-CHANNEL 1:1 8SO

0
BTS409L1

BTS409L1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO220-5

0
BTS712N1NT

BTS712N1NT

IR (Infineon Technologies)

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

0
BTS428L2NT

BTS428L2NT

IR (Infineon Technologies)

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

0
BTS134DNT

BTS134DNT

IR (Infineon Technologies)

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

0
AUIPS71411GTR

AUIPS71411GTR

IR (Infineon Technologies)

IC PWR SWITCH N-CHANNEL 1:1 8SO

0
BTS409L1 E3062A

BTS409L1 E3062A

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO263-5

0
BTS308 E3062A

BTS308 E3062A

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO220AB

0
AUIPS6041STRL

AUIPS6041STRL

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 D2PAK-5

0
IRSF3010S

IRSF3010S

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 D2PAK

0
BTS5241LNTMA1

BTS5241LNTMA1

IR (Infineon Technologies)

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

0
IR6210STRL

IR6210STRL

IR (Infineon Technologies)

IC PWR DRIVER N-CHAN 1:1 D2PAK

0
AUIPS2051L

AUIPS2051L

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 SOT223

0
BTS730NT

BTS730NT

IR (Infineon Technologies)

IC PWR PWM N-CH 1:1 DSO-20

0
BTS452RXT

BTS452RXT

IR (Infineon Technologies)

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

0
BTS611L1

BTS611L1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO220-7

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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