PMIC - Power Supply Controllers, Monitors

Image Part Number Description / PDF Quantity Rfq
NCP4306DAHZZAASNT1G

NCP4306DAHZZAASNT1G

Sanyo Semiconductor/ON Semiconductor

SECONDARY SIDE SYNCHRONOU

54019000

NCP4353BSNT1G

NCP4353BSNT1G

Sanyo Semiconductor/ON Semiconductor

IC SECONDARY CTLR SMPS

294536000

NCP367DPMUEETBG

NCP367DPMUEETBG

Sanyo Semiconductor/ON Semiconductor

IC VOLT PROTECTRION OCP OVP 8DFN

15000

NCP4355CDR2G

NCP4355CDR2G

Sanyo Semiconductor/ON Semiconductor

SECONDARY SIDE SMPS OFF M

0

NCP367DPMUECTBG

NCP367DPMUECTBG

Sanyo Semiconductor/ON Semiconductor

IC VOLT PROTECTRION OCP OVP 8DFN

3006

NCP4304AMNTWG

NCP4304AMNTWG

Sanyo Semiconductor/ON Semiconductor

IC SEC SIDE SYNC RECT DRV 8DFN

12000

NCP4308QDR2G

NCP4308QDR2G

Sanyo Semiconductor/ON Semiconductor

IC SECONDARY SIDE CTRLR 8SOIC

2480

FAN6292CMX

FAN6292CMX

Sanyo Semiconductor/ON Semiconductor

IC SECONDARY SIDE CTRLR

0

NCP4304BDR2G

NCP4304BDR2G

Sanyo Semiconductor/ON Semiconductor

IC SEC SIDE SYNC RECT DRV 8SOIC

220040000

NCP43080ADR2G

NCP43080ADR2G

Sanyo Semiconductor/ON Semiconductor

IC SECONDARY SIDE CTRLR 8SOIC

1893

NCP4305DDR2G

NCP4305DDR2G

Sanyo Semiconductor/ON Semiconductor

IC SEC SIDE SYNC RECT DRV 8SOIC

4075

NCP4308DDR2G

NCP4308DDR2G

Sanyo Semiconductor/ON Semiconductor

IC SECONDARY SIDE CTRLR 8SOIC

246712500

NCP4306AAHZZZADR2G

NCP4306AAHZZZADR2G

Sanyo Semiconductor/ON Semiconductor

SECONDARY SIDE SYNCHRONOU

2500

NCP4306AAAZZZAMN1TBG

NCP4306AAAZZZAMN1TBG

Sanyo Semiconductor/ON Semiconductor

SECONDARY SIDE SYNCHRONOU

568918000

NCP4306AADZZZAMN1TBG

NCP4306AADZZZAMN1TBG

Sanyo Semiconductor/ON Semiconductor

SECONDARY SIDE SYNCHRONOU

25426000

NCP43080DMNTWG

NCP43080DMNTWG

Sanyo Semiconductor/ON Semiconductor

IC SECONDARY SIDE CTRLR 8DFN

3782

NCP349MNTBG

NCP349MNTBG

Sanyo Semiconductor/ON Semiconductor

IC VOLTAGE DETECTOR OVP 6DFN

458

NCP367DPMUELTBG

NCP367DPMUELTBG

Sanyo Semiconductor/ON Semiconductor

IC VOLT PROTECTRION OCP OVP 8DFN

3000

NCP4305DMTTWG

NCP4305DMTTWG

Sanyo Semiconductor/ON Semiconductor

IC SEC SIDE SYNC RECT DRV 8WDFN

5990

NCV361SNT1G

NCV361SNT1G

Sanyo Semiconductor/ON Semiconductor

IC REG OVLO 20V 5TSOP

822

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.
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