PMIC - Power Management

PMIC - Power Management - Specialized

Image	Part Number	Description / PDF	Quantity	Rfq
	TPS65562RGTT Texas Instruments	IC PHOT FLSH CHRG/IGBT DVR 16QFN	0
	LM2715MTX-ADJ/NOPB Texas Instruments	IC MODULE PANEL TFT DISP 16TSSOP	0
	LM1851MX/NOPB Texas Instruments	IC INTERRUPTER GRND FAULT 8SOIC	0
	LM96550SQ/NOPB Texas Instruments	IC ULTRASOUND TX PULSER 80WQFN	0
	LP5553TLX/NOPB Texas Instruments	IC SYSTEM PWR MANAGMT 36USMD	0
	SM72295E/NOPB Texas Instruments	IC PHOTO FULL BRIDGE DR SOIC-28	0
	TPS65911AA2ZRCR Texas Instruments	TPS65911AA2ZRCR	0
	LM2639M/NOPB Texas Instruments	IC CTRLR MULTIPHASE PWM 24-SOIC	0
	LM10503SQX/NOPB Texas Instruments	IC BUCK PMU TRPL 2A 36WQFN	0
	TPS65552ARGTR Texas Instruments	IC PHOTO FLASH CHARGER 16-QFN	0
	LM3460M5-1.5/NOPB Texas Instruments	IC CONTROLLER PRECISION SOT23-5	0
	LP5551SQX Texas Instruments	IC ENERGY MGMNT SYSTEM 36WQFN	0
	LM2636M/NOPB Texas Instruments	IC REG SYNCH BUCK 5-BIT 20-SOIC	0
	TPS6591109A2ZRC Texas Instruments	IC PWR MGMT MULTI-CH 98BGA	0
	TPS65185SRGZR Texas Instruments	IC PWR MGMT E INK 48VQFN	0
	TPS65930BZCH Texas Instruments	IC PWR MGMT 4 LDO TXRX 139-BGA	0
	TPS61121PWRG4 Texas Instruments	IC BOOST CONV DUAL-OUT 16-TSSOP	0
	TPS658642ZQZT Texas Instruments	IC ADVANCED PWR MGMT UNIT 120BGA	0
	LP3972SQE-I514 Texas Instruments	IC PMU PROGR MULTI 40WQFN	0
	TPS6591104DA2ZRCR Texas Instruments	IC PMU W/DCDC CTRLR 98BGA	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