PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
MC32PF1550A2EP NXP Semiconductors	POWER MANAGEMENT IC: 3 BUCK REGS	0
R5439K318KA-TR	2 TO 4 SERIAL CELL LI-ION OR LI-	10000
MWCT1101CLH NXP Semiconductors	IC DSP SINGLE COIL 5W 5V 64QFP	140
STUSB4700QTR STMicroelectronics	IC PD CTLR USB TYPE-C 24QFN	71
MASTERGAN2 STMicroelectronics	HIGH PWR DENS GAN 600V HALF BRI	210
O917A130TRGZRQ1 Texas Instruments	PMU FOR PROCESSOR	3730
MC13892DJVK NXP Semiconductors	IC PWR MGMT I.MX35/51 139BGA	1560
LT6110ITS8#TRMPBF Analog Devices, Inc.	IC WIRE DROP COMPENSATOR	1453
LTC3350EUHF#TRPBF Analog Devices, Inc.	IC BACKUP CTRLR CHRG/MON 38QFN	947
SI8946BB-IS Silicon Labs	POWER ISOLATION	0
LTC4365CTS8-1#TRMPBF Analog Devices, Inc.	IC OVERVOLTAGE PROT TSOT23-8	0
LTC3108EDE-1#PBF Analog Devices, Inc.	IC VOLTAGE CONVERTER 12-DFN	0
MAX17710GB+T Analog Devices, Inc.	POWER SUPPLY SUPPORT CIRCUIT, PD	4960
LT4430MPS6#TRMPBF Analog Devices, Inc.	IC OPTOCOUPLER GATE DRVR SOT23-6	0
MWCT1011BVLH NXP Semiconductors	DSC 64 LQFP 64K FLASH	0
MC33PF8100CFESR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX8 PRE-PR	0
LTC3557EUF#PBF Analog Devices, Inc.	IC USB POWER MANAGE 28-QFN	90
BQ51013BRHLR Texas Instruments	IC WIRELESS PWR RCVR 20QFN	10335
MCZ33810EKR2 NXP Semiconductors	IC DVR 8-CH ENGINE CTRL 32-SOIC	0
BQ50002RHBR Texas Instruments	IC WIRELESS TRANSMITTER 32VQFN	2382

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