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PMIC - Power Distribution Switches, Load Drivers

Image Part Number Description / PDF Quantity Rfq
TPS4H160AQPWPRQ1

TPS4H160AQPWPRQ1

Texas Instruments

IC PWR SWTCH N-CHAN 1:1 28HTSSOP

0
TPS22913BYZVR

TPS22913BYZVR

Texas Instruments

IC PWR SWITCH P-CHAN 1:1 4DSBGA

12287
TPS2056D

TPS2056D

Texas Instruments

POWER SUPPLY CIRCUIT, FIXED

6003
TPS22943DCKR

TPS22943DCKR

Texas Instruments

IC PWR SWITCH P-CHAN 1:1 SC70-5

6882
TPS2090DR

TPS2090DR

Texas Instruments

TPS2090 0.3A 2.7 TO 5.5V DUAL 2

164110
TPS2202AIDFR

TPS2202AIDFR

Texas Instruments

POWER SUPPLY CIRCUIT, FIXED

4000
TPS22904YFPR

TPS22904YFPR

Texas Instruments

TPS22904 3.6-V, 0.5-A, 68MOHM LO

156292
TPS27082LDDCR

TPS27082LDDCR

Texas Instruments

IC PWR SWTCH P-CHAN 1:1 TSOT23-6

25994
LM3544MX-L/NOPB

LM3544MX-L/NOPB

Texas Instruments

IC PWR SWITCH N-CHAN 1:2 16SOIC

1045
TPS2042BDRG4

TPS2042BDRG4

Texas Instruments

IC PWR SWITCH N-CHAN 1:2 8SOIC

0
TPS1HA08BQPWPRQ1

TPS1HA08BQPWPRQ1

Texas Instruments

POWER MANAGEMENT

1436
TPS2551DBVR

TPS2551DBVR

Texas Instruments

IC PWR SWITCH N-CHAN 1:1 SOT23-6

981
TPS2052AD

TPS2052AD

Texas Instruments

POWER SUPPLY SUPPORT CIRCUIT, FI

13924
DRV120APWR

DRV120APWR

Texas Instruments

IC PWR DRIVER N-CHAN 1:1 14TSSOP

1061
TPS2159IDGN

TPS2159IDGN

Texas Instruments

TPS2159 3.3V LDO + DUAL SWITCH F

5433
TPS2047DR

TPS2047DR

Texas Instruments

POWER SUPPLY SUPPORT CIRCUIT

300
TPS1H100AQPWPRQ1

TPS1H100AQPWPRQ1

Texas Instruments

IC PWR SWTCH N-CHAN 1:1 14HTSSOP

0
TPL7407LAPWR

TPL7407LAPWR

Texas Instruments

IC PWR DRIVER N-CHAN 1:1 16TSSOP

8603
TPS65286RHDT

TPS65286RHDT

Texas Instruments

IC PWR SWITCH N-CHAN 1:1 28VQFN

247
TPS2226DBR

TPS2226DBR

Texas Instruments

TPS2226 1A DUAL-SLOT PC CARD POW

25754

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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