PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
STLD1 STMicroelectronics	POWER-LINE COMMUNICATION DUAL LI	0
MASTERGAN1 STMicroelectronics	HIGH-DENSITY POWER DRIVER - HIGH	1584
STWBC-MC STMicroelectronics	IND.& POWER CONV.	153
STPMIC1EPQR STMicroelectronics	14 OUTPUT RAILS PMIC 4 ADJUSTABL	1000
STUSB4700QTR STMicroelectronics	IC PD CTLR USB TYPE-C 24QFN	71
MASTERGAN2 STMicroelectronics	HIGH PWR DENS GAN 600V HALF BRI	210
L99DZ70XPTR STMicroelectronics	IC DOOR ACTUATOR DRVR POWERSSO36	0
L99DZ70XP STMicroelectronics	IC DOOR ACTUATOR DVR POWERSSO36	0
STWBC-WA STMicroelectronics	IC CONTROLLER BATT CHRG 32VFQFPN	2943
L9524C-TR STMicroelectronics	IC CTRL GLOW PLUG SYSTEM 24-SOIC	0
L9953LXPTR STMicroelectronics	IC DVR DOOR ACTUATOR POWERSSO36	0
STNRGPF01TR STMicroelectronics	PFC DIGITAL CONTROLLER 38TSSOP	0
L99DZ80EP STMicroelectronics	IC DOOR MODULE DRIVER 64TQFP	0
L99DZ200TR STMicroelectronics	IC AUTO DOOR ACTUATOR	0
L9779WD-SPI-TR STMicroelectronics	MULTIFUNCTION IC FOR ENGINE MANA	500
L99DZ100GPTR STMicroelectronics	IC AUTOMOTIVE DOOR MODULE 64LQFP	0
VN5MB02TR-E STMicroelectronics	IC MOTOR BIKE BLINKER DVR 16SOIC	0
STWBC-MCTR STMicroelectronics	IC FLYBACK CTLR TRANSM VFQFPN	0
PM6670STR STMicroelectronics	IC CTLR DDR2/3 MEM PS 24VFQFPN	13758
STUSB4700YQTR STMicroelectronics	STAND-ALONE USB PD CONTROLLER (W	0

PMIC - Power Management - Specialized

1. Overview

Specialized Power Management ICs (PMICs) are application-specific integrated circuits designed to optimize power distribution and management in electronic systems. These devices provide tailored solutions for voltage regulation, battery management, power sequencing, and energy efficiency optimization. Their importance in modern technology lies in enabling compact designs, reducing power consumption, and improving reliability for applications ranging from mobile devices to automotive systems.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Battery PMICs	Integrate battery charging, fuel gauging, and protection circuits	Smartphones, wearable devices
DC-DC Controllers	Regulate voltage conversion with external MOSFETs	High-performance computing (HPC) systems
AC-DC Controllers	Convert AC to DC with power factor correction (PFC)	Server power supplies, industrial equipment
LED Drivers	Provide constant current for LED arrays	Automotive lighting, display backlighting
Multi-Channel PMICs	Support multiple regulated outputs with sequencing	Medical imaging equipment, IoT gateways

3. Structure and Components

Typical physical structure includes:

QFN/BGA packages for compact PCB integration
Internal blocks: Voltage regulators (LDOs, DC-DC converters), ADC/DAC modules, I2C/SPI interfaces
Protection circuits: Overcurrent (OCP), Overvoltage (OVP), Thermal shutdown (OTP)

4. Key Technical Specifications

Parameter	Importance
Input Voltage Range	Determines compatibility with power sources (e.g., 2.7V-24V for battery systems)
Output Current Capability	Defines maximum load support (e.g., 0.5A-10A per channel)
Efficiency (Typical >90%)	Impacts thermal performance and battery life
Quiescent Current	Crucial for low-power standby modes (<10 A typical)
Protection Features	Ensures reliability under fault conditions
Operating Temperature	Industrial (-40 C to +125 C) or automotive (-40 C to +150 C) grades

5. Application Areas

Consumer Electronics: Mobile phones, tablets, AR/VR headsets
Automotive: ADAS systems, electric vehicle (EV) battery management
Industrial: PLC systems, robotics actuators
Healthcare: Portable diagnostic devices, MRI gradient coil drivers
IoT: Edge sensors, smart meters

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Texas Instruments	TPS65912	6-channel PMIC for AMOLED displays
STMicroelectronics	STM32L4 Series PMIC	Ultra-low-power with dynamic voltage scaling
ON Semiconductor	NCP185x	High-current battery charger with JEITA compliance
Analog Devices	LTC297x	Digital power system management (PSM) IC
Infineon	PSoC 6 PMIC	Integrated with microcontroller for IoT applications

7. Selection Guidelines

Define system power rails and sequencing requirements
Match input voltage range with source characteristics (battery, AC adapter, etc.)
Evaluate thermal performance under maximum load
Prioritize protection features for critical applications
Consider digital monitoring capabilities for smart systems

8. Industry Trends

Key trends shaping PMIC development:

Integration of wide-bandgap (SiC/GaN) drivers in power stages
AI-enabled dynamic power optimization for edge computing
48V direct-to-load architectures for data centers
Functional safety compliance (ISO 26262) for automotive systems
Sub-1 A leakage current management for battery-free IoT devices