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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
VND7004AYTR

VND7004AYTR

STMicroelectronics

IC PWR SWTCH N-CHAN 1:1 PWRSSO36

0
VND5050AJTR-E

VND5050AJTR-E

STMicroelectronics

IC PWR DRVR N-CHAN 1:1 PWRSSO12

12500
VND5T035AKTR-E

VND5T035AKTR-E

STMicroelectronics

IC PWR DRVR N-CHAN 1:1 PWRSSO24

1955
STMPS2161MTR

STMPS2161MTR

STMicroelectronics

IC PWR SWITCH N-CHANNEL 1:1 8SO

1599
VND3NV0413TR

VND3NV0413TR

STMicroelectronics

IC PWR DRIVER N-CHANNEL 1:1 DPAK

0
VNQ6004SATR-E

VNQ6004SATR-E

STMicroelectronics

IC PWR DRVR N-CHAN 1:1 PWRSSO36

0
L6375STR

L6375STR

STMicroelectronics

IC PWR DRIVER N-CHAN 1:1 8SOIC

5749
VNQ860SPTR-E

VNQ860SPTR-E

STMicroelectronics

IC PWR DRIVER N-CHAN 1:1 PWRSO10

617
TDE1747FPT

TDE1747FPT

STMicroelectronics

IC PWR DRIVER BIPOLAR 1:1 14SO

225432500
L6375S

L6375S

STMicroelectronics

IC PWR SWITCH N-CHAN 1:1 8SOIC

2850
VN5050AJ-E

VN5050AJ-E

STMicroelectronics

IC PWR DRVR N-CHAN 1:1 PWRSSO12

1752
L6377D013TR

L6377D013TR

STMicroelectronics

IC PWR SWITCH N-CHANNEL 1:1 14SO

2164
VNQ5160KTR-E

VNQ5160KTR-E

STMicroelectronics

IC PWR DRVR N-CHAN 1:1 PWRSSO24

3047
VNQ6040STR-E

VNQ6040STR-E

STMicroelectronics

IC PWR DRVR N-CHAN 1:1 PWRSSO36

0
VND5T050AK-E

VND5T050AK-E

STMicroelectronics

IC PWR DRVR N-CHAN 1:1 PWRSSO24

0
VNQ5E160AK-E

VNQ5E160AK-E

STMicroelectronics

IC PWR DRVR N-CHAN 1:1 PWRSSO24

1130
VND5E025AKTR-E

VND5E025AKTR-E

STMicroelectronics

IC PWR SWTCH N-CHAN 1:1 PWRSSO24

431
VN808CM-32-E

VN808CM-32-E

STMicroelectronics

IC PWR DRIVER N-CHAN 1:1 PWRSO36

571
ISO8200B

ISO8200B

STMicroelectronics

IC PWR DRIVER 1:1 PWRSO36

310
TDE1707DFT

TDE1707DFT

STMicroelectronics

IC PWR SWITCH BIPOLAR 1:2 8DFN

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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