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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
BTS70101EPAXUMA1

BTS70101EPAXUMA1

IR (Infineon Technologies)

PROFET

0
ITS4060SSJNXUMA1

ITS4060SSJNXUMA1

IR (Infineon Technologies)

ITS4060 - PROFET - SMART HIGH SI

39437
BTS54040LBEAUMA1

BTS54040LBEAUMA1

IR (Infineon Technologies)

INTERFACE CIRCUIT, PDSO24

0
BTS4300SGAXUMA1

BTS4300SGAXUMA1

IR (Infineon Technologies)

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

0
BSP75NHUMA1

BSP75NHUMA1

IR (Infineon Technologies)

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

179
AUIPS2041RTRL

AUIPS2041RTRL

IR (Infineon Technologies)

INTELLIGENT LOW SIDE SWITCH

7533
AUIPS6031RTRL

AUIPS6031RTRL

IR (Infineon Technologies)

IC PWR SWITCH N-CHANNEL 1:1 DPAK

0
AUIPS1031S

AUIPS1031S

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 D2PAK

0
AUIPS7221R

AUIPS7221R

IR (Infineon Technologies)

AUIPS7221 - PROFET - SMART HIGH

0
BTS70081EPAXUMA1

BTS70081EPAXUMA1

IR (Infineon Technologies)

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

0
BTS5234G

BTS5234G

IR (Infineon Technologies)

HALF-BRIDGE PERIPHERAL DRIVER

2000
BTS500101TADATMA1

BTS500101TADATMA1

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

121
IPS021

IPS021

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

127
BTS441RS

BTS441RS

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

5730
ITS4100SSJNXUMA1

ITS4100SSJNXUMA1

IR (Infineon Technologies)

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

1660
BTS117TCBUMA1

BTS117TCBUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 TO263-3

1269
AUIPS7081RTRL

AUIPS7081RTRL

IR (Infineon Technologies)

IC PWR SWITCH N-CHANNEL 1:1 DPAK

0
TLE7234E

TLE7234E

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

15000
BTS5012SDAAUMA1

BTS5012SDAAUMA1

IR (Infineon Technologies)

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

2209
BTT3018EJXUMA1

BTT3018EJXUMA1

IR (Infineon Technologies)

BTT3018EJXUMA1

2883

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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