PMIC - Power Supply Controllers, Monitors

Part Number	Description / PDF	Quantity
ADP1031ACPZ-2 Analog Devices, Inc.	ISO UPMU & DIGI 5.0VOUT2	98
IR3721MTRPBF IR (Infineon Technologies)	IC POWER SUPPLY MONITOR 10-DFN	1712
MAX16065ETM+T Maxim Integrated	IC SYSTEM MANAGER 12CH 48-TQFN	0
ISL6506BCB Intersil (Renesas Electronics America)	POWER SUPPLY CIRCUIT, FIXED	1461
S-77100B02-I8T1U4 ABLIC U.S.A. Inc.	POWER SQUENCHER	0
ISL62392CHRTZ-T Intersil (Renesas Electronics America)	IC PWR SUPPLY CTRLR 28TQFN	0
UCD3138ARMHT Texas Instruments	MICROPROCESSOR CIRCUIT, CMOS, PQ	710
S-8424AADFT-TB-U ABLIC U.S.A. Inc.	IC POWER SUPPLY SWITCHING 8TSSOP	0
LT8310MPFE#TRPBF Analog Devices, Inc.	IC MOSFET DRIVER SYNC 20-TSSOP	0
ISL6504CR-T Intersil (Renesas Electronics America)	POWER SUPPLY CIRCUIT, FIXED	4000
LM3880QMFX-1AD/NOPB Texas Instruments	IC PWR SUPPLY SEQUENCER SOT23-6	0
ADP1052ACPZ-R7 Analog Devices, Inc.	DIGITAL CONTROLLER FOR ISOLATED	2308
LTC2937HUHE#TRPBF Analog Devices, Inc.	IC SEQUENCER/SUPERVISOR 6CH 28QF	0
ISL28022FRZ-T7A Intersil (Renesas Electronics America)	IC PWR MONITOR 16QFN	0
LTC2955CDDB-2#TRMPBF Analog Devices, Inc.	IC CTLR ON/OFF PUSHBUTTON 10-DFN	6870
ISL28023FR60Z-T7A Intersil (Renesas Electronics America)	IC VOLT MONITOR PRECISION	1913
LTC2955CDDB-1#TRPBF Analog Devices, Inc.	IC PB ON/OFF CONTR0LLER 10DFN	0
LT8311HFE#PBF Analog Devices, Inc.	IC MOSFET DRIVER SYNC 20-TSSOP	147
LTC3766HUFD#TRPBF Analog Devices, Inc.	IC CONTROLLER SYNCH 28QFN	0
ADP1051ACPZ-RL Analog Devices, Inc.	IC DGTL PWR MGMT 24LFCSP	0

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.