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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
BTF60702EKVXUMA1

BTF60702EKVXUMA1

IR (Infineon Technologies)

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

0
BTS500551TMB

BTS500551TMB

IR (Infineon Technologies)

AUTOMOTIVE HIGH SIDE SWITCH

48
BTS443PAUMA1

BTS443PAUMA1

IR (Infineon Technologies)

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

1761
BTT62004EMAXUMA1

BTT62004EMAXUMA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 24SSOP

0
BTS500801TMCATMA1

BTS500801TMCATMA1

IR (Infineon Technologies)

BTS50080 - PROFET - SMART HIGH S

4000
BTT60501EKAXUMA1

BTT60501EKAXUMA1

IR (Infineon Technologies)

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

0
BTS5020-1EKA

BTS5020-1EKA

IR (Infineon Technologies)

BTS5020 - PROFET - SMART HIGH SI

0
BTS3800SLHTSA1

BTS3800SLHTSA1

IR (Infineon Technologies)

IC PWR SWITCH N-CHAN 1:1 SCT595

92
ISP772TFUMA1

ISP772TFUMA1

IR (Infineon Technologies)

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

0
AUIPS6021STRL

AUIPS6021STRL

IR (Infineon Technologies)

BUFFER/INVERTER BASED PERIPHERAL

30350
AUIR3313

AUIR3313

IR (Infineon Technologies)

AUIR3313 - PROGRAMMABLE CURRENT

0
BTS3110NHUMA1

BTS3110NHUMA1

IR (Infineon Technologies)

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

5079
BTS500551TMAATMA1

BTS500551TMAATMA1

IR (Infineon Technologies)

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

2890
BTS141E3064NKSA1

BTS141E3064NKSA1

IR (Infineon Technologies)

BUFFER/INVERTER PERIPHL DRIVER

2500
BTS740S2XUMA1

BTS740S2XUMA1

IR (Infineon Technologies)

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

0
TLE6220GPAUMA2

TLE6220GPAUMA2

IR (Infineon Technologies)

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

0
IFX52001EJXUMA1

IFX52001EJXUMA1

IR (Infineon Technologies)

IC PWR DRIVER BIPOLAR 1:1 DSO-8

0
BTS442E2

BTS442E2

IR (Infineon Technologies)

BTS442 - PROFET - SMART HIGH SID

0
BTS711L1XUMA1

BTS711L1XUMA1

IR (Infineon Technologies)

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

12
ITS41K0SMENHUMA1

ITS41K0SMENHUMA1

IR (Infineon Technologies)

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

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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