PMIC - Power Supply Controllers, Monitors

Part Number	Description / PDF	Quantity
ADP1074ARWZ Analog Devices, Inc.	ISOLATED ACTIVE CLAMP FOR	425
NCP4305AMTTWG	SECONDARY SIDE SYNCHRONOUS RECTI	6000
LTC4255CG#PBF Analog Devices, Inc.	IC NETWORK POWER CTRLR 28SSOP	0
SEN013DG Power Integrations	IC SIGNAL DISCONNECT 3CH 8SOIC	878
LTC4151IS-2#TRPBF Analog Devices, Inc.	IC CURRENT MONITOR(12BIT) 16SOIC	0
LTC3766EUFD#TRPBF Analog Devices, Inc.	IC CONTROLLER SYNCH 28QFN	0
MAX16052AUT+T Maxim Integrated	IC PWR MONITOR/SEQUENCER SOT23-6	9112
TS19340CS14 RLG TSC (Taiwan Semiconductor)	LED DRIVER, SECONDARY SIDE CONTR	4953
TEA1998TS/1X NXP Semiconductors	SWITCHING CONTROLLER	151704
UCC24636DBVR Texas Instruments	IC REG SR CTRLR SYNC SOT23-6	4635
APR3415MTR-G1 Zetex Semiconductors (Diodes Inc.)	MOSFET N-CH 5V 8SO	2624
LT8311EFE#TRPBF Analog Devices, Inc.	IC MOSFET DRIVER SYNC 20-TSSOP	0
ADP1050ACPZ-R7 Analog Devices, Inc.	IC DGTL PWR MGMT 20LFCSP	845
ISL28022FRZ-T Intersil (Renesas Electronics America)	IC PWR MONITOR 16QFN	0
ADP1055ACPZ-R7 Analog Devices, Inc.	IC DGTL PWR MGMT 32LFCSP	927
ISL62391HRTZ Intersil (Renesas Electronics America)	IC PWR SUPPLY CONTROLLER 28TQFN	0
LTC2956IMS-1#TRPBF Analog Devices, Inc.	IC PB ON/OFF CONTROLLER 12MSOP	0
ISPPAC-POWR1220AT8-02TN100I Lattice Semiconductor	IC PWR MANAGER ISP 6-12V 100TQFP	130
LTC2953CDD-1#PBF Analog Devices, Inc.	IC PB ON/OFF CONTROLLER 12DFN	509
NCP4304BMNTWG	SWITCHING CONTROLLER	8000

PMIC - Power Supply Controllers, Monitors

1. Overview

Power Supply Controllers and Monitors (PSCMs) are critical subcategories of Power Management Integrated Circuits (PMICs) that manage voltage regulation, current control, power sequencing, and system monitoring in electronic devices. These components ensure stable power delivery, optimize energy efficiency, and protect against faults such as overvoltage, undervoltage, and overheating. Their importance spans across consumer electronics, industrial systems, automotive electronics, and IoT devices, where precise power management is essential for performance and reliability.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Multi-Channel Controllers	Supports multiple independent or synchronized power rails; integrated MOSFET drivers	Smartphones, FPGA power supplies
Single-Channel Controllers	Optimized for dedicated DC-DC or AC-DC conversion; high precision regulation	Wearable devices, sensor modules
Power Monitors	Measures voltage, current, power, and temperature; I C/SMBus communication	Server power management, battery monitoring
Digital Power Controllers	Programmable via PMBus; real-time adaptive control	Data centers, telecom infrastructure

3. Structure and Components

A typical PSCM integrates analog and digital modules within a compact semiconductor package (e.g., QFN, BGA). Key components include:

Reference Voltage Generator: Provides stable voltage references for regulation.
PWM Controller: Adjusts duty cycles for DC-DC converters.
ADC/DAC Modules: Enable analog-to-digital conversion for feedback loops.
Communication Interface: I C, PMBus, or SPI for system integration.
Fault Detection Circuits: Overcurrent, undervoltage, and thermal shutdown protection.

4. Key Technical Parameters

Parameter	Description
Input Voltage Range	Determines compatibility with power sources (e.g., 2.7V 24V for portable devices).
Output Channels	Number of independent or grouped power rails managed.
Monitoring Accuracy	Typical error margin (e.g., 1% for voltage measurements).
Switching Frequency	Impacts efficiency and component size (e.g., 300kHz 2MHz).
Communication Protocol	Defines interface type (e.g., PMBus for digital power systems).

5. Application Fields

Consumer Electronics: Mobile phones, notebooks, gaming consoles.
Industrial: PLCs, motor drives, automation equipment.
Automotive: Battery Management Systems (BMS), ADAS sensors.
Telecom/Data Centers: Servers, networking switches, 5G base stations.
Medical Devices: Portable diagnostics, imaging equipment.

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Texas Instruments	TPS404x Series	Multi-phase controllers with PMBus interface
STMicroelectronics	L499x Series	High-efficiency synchronous buck controllers
Analog Devices	ADM127x Series	Digital power monitors with fault logging
Infineon Technologies	IRPS5401	Integrated DrMOS solution for servers

7. Selection Guidelines

Key considerations for selecting PSCMs:

Power Requirements: Match input/output voltage/current specifications to system needs.
Integration Level: Choose between standalone controllers and highly integrated PMICs.
Thermal Management: Evaluate package thermal resistance and derating curves.
Communication Needs: Select protocols compatible with host processors (e.g., I C vs. PMBus).
Environmental Conditions: Ensure operating temperature range and reliability meet application demands.
Cost vs. Performance: Balance precision and features against budget constraints.

8. Industry Trends

Emerging trends in PSCM development include:

Higher Integration: Combining controllers, drivers, and monitoring in single chips.
Digitalization: Expansion of PMBus-enabled devices for real-time telemetry.
Wide Bandgap Semiconductors: GaN/SiC compatibility for high-frequency applications.
AI-Driven Optimization: Machine learning algorithms for dynamic power adjustment.
Functional Safety: Enhanced fault diagnostics for ISO 26262/IEC 61508 compliance.