PMIC - Power Supply Controllers, Monitors

Part Number	Description / PDF	Quantity
LTC4151HMS#PBF Analog Devices, Inc.	IC PWR MONITOR MS 80V SD 10MSOP	1512
MAX1965TEEP Analog Devices, Inc.	POWER-SUPPLY CONTROLLER	0
UCD3138064ARGCT Texas Instruments	IC DGTL PWR CTLR 64VQFN	212
ISPPAC-POWR1014A-02TN48I Lattice Semiconductor	IC PWR MANAGER ISP 6-12V 48TQFP	1903
LM2641MTCX-ADJ/NOPB Texas Instruments	DUAL SWITCHING CONTROLLER	15000
CS5101EDWR16G	SWITCHING CONTROLLER	7785
MP6901DS-LF MPS (Monolithic Power Systems)	IC SECONDARY SIDE CTRLR 8SOIC	2
MAX1533AETJ+ Maxim Integrated	IC POWER SUPPLY CONTROLER 32TQFN	7
LM3880QMFE-1AA/NOPB Texas Instruments	IC PWR SUPPLY SEQUENCER SOT23-6	164
UCD3138ARMHR Texas Instruments	MICROPROCESSOR CIRCUIT, CMOS, PQ	2030
LTC2956IMS-2#PBF Analog Devices, Inc.	IC PB ON/OFF CONTROLLER 12MSOP	142
LT8309HS5#TRPBF Analog Devices, Inc.	IC RECTIFIER DRVR SYNC TSOT23-5	0
ISL6504CR Intersil (Renesas Electronics America)	POWER SUPPLY CIRCUIT, FIXED	2200
LTC4151IMS#PBF Analog Devices, Inc.	IC CURRENT MONITOR(12BIT) 10MSOP	0
FAN6100QMPX	SWITCHING CONTROLLER	294270
NCP4306AAAZZZAMN1TBG Sanyo Semiconductor/ON Semiconductor	SECONDARY SIDE SYNCHRONOU	568918000
LTC2992HDE#TRPBF Analog Devices, Inc.	IC PWR MONITOR DUAL WIDE 16DFN	0
UCC24610DR Texas Instruments	IC SECONDARY-SIDE CTRLR 8SOIC	34929
SG6203DZ	SWITCHING CONTROLLER	3327
MP6906GJ-Z MPS (Monolithic Power Systems)	FAST TURN-OFF, INTELLIGENT RECTI	2990

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.