PMIC - Power Distribution Switches, Load Drivers

Part Number	Description / PDF	Quantity
SLG59M1598VTR Dialog Semiconductor	IC PWR SWITCH N-CHANNEL 1:1 8DFN	84
SLG59H1013V Dialog Semiconductor	A 125C-RATED, 4.8 MM POWER CONT	0
SLG59M1600VTR Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 14STDFN	63
SLG59M1603VTR Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 14STDFN	3000
SLG59M307VTR Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 8TDFN	2325
SLG59M1612V Dialog Semiconductor	IN A SINGLE 3 MM PACKAGE,A 9 A	0
SLG59M1456VTR Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 8TDFN	2393
SLG59M1709VTR Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 16STQFN	1718
SLG59M1657V Dialog Semiconductor	A 3 MM 125C-RATED, 4 A INTEGRA	0
SLG59M610VTR Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 8TDFN	1657
SLG59M1606VTR Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 14STDFN	33000
SLG59H1007V Dialog Semiconductor	A 4.8 MM POWER CONTROL SWITCH W	0
SLG59M1736C Dialog Semiconductor	A 33 MO, 2.2 A PFET IPS WITH CON	3000
SLG59M1742C Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 6WLCSP	0
SLG59M1804V Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 14STDFN	0
SLG59H1019V Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 18STQFN	0
SLG5NTH1011V Dialog Semiconductor	IC PWR SWITCH N-CHAN 1:1 18STQFN	0
SLG5NT1719V Dialog Semiconductor	A FAST TURN-ON TIME 5 M? 4 A ULT	0
SLG59M1641V Dialog Semiconductor	IC PWR SWITCH P-CHANNEL 1:1 8DFN	0
SLG5NT1500V Dialog Semiconductor	ULTRA-SMALL 14.6 MOHM 1.0 A GREE	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

Type	Functional Characteristics	Application Examples
Load Switches	Low R_DS(on), fast turn-on/off, inrush current control	Smartphones, laptops, servers
Distribution Switches	Multi-channel power path management, fault isolation	Automotive systems, industrial PLCs
Smart Load Drivers	Integrated FETs + protection logic, current sensing	Robotics, motor controls, LED lighting
Hot Swap Controllers	Controlled startup, overcurrent/voltage protection	Data 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

Parameter	Description	Importance
R_DS(on)	On-state resistance (1-50 m range)	Directly affects conduction loss
I_MAX	Maximum continuous current (0.5-10A typical)	Determines load capacity
V_SUPPLY	Operating voltage range (2.7-40V typical)	System compatibility factor
t_ON/OFF	Switching transition time (1-100 s)	Affects EMI and power efficiency
Quiescent Current	Standby 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

Manufacturer	Product Series	Key Features
Texas Instruments	TPS229xx family	18m R_DS(on), 6A rating, load current monitoring
STMicroelectronics	VN7000 series	Smart high-side switches, automotive qualified
Infineon	BTS7xx series	Integrated diagnostics, 24V operation
ON Semiconductor	NCP380 series	40V tolerant, fast overcurrent protection

7. Selection Recommendations

Key consideration factors:

Current/voltage requirements with safety margins (>20% over spec)
Thermal performance: Junction-to-ambient thermal resistance
Protection features matching application environment
Control interface compatibility (GPIO, I2C, PWM)
Package size vs. board space constraints

Case Study: For a 12V/3A motor driver in an industrial robot, select a device with:

R_DS(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)