PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
P9145-I0NAGI8 Renesas Electronics America	IC PMIC PWR MGMT MULTI-CH	0
MC33FS6502LAER2 NXP Semiconductors	SYSTEM BASIS CHIP DCDC 0.8A VCO	0
LTC4361HDC-2#TRMPBF Analog Devices, Inc.	IC OVP/OCP PROTECTION CTLR 8DFN	324
AD5800BCPZ-WP Analog Devices, Inc.	FOCUS/ZOOM LENS DRIVER	2160
LTC1153IN8#PBF Analog Devices, Inc.	IC ELECTRNC CIRCUIT BREAKER 8DIP	0
MC32PF3000A7EP NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
STUSB1600AQTR STMicroelectronics	CONDITIONING & INTERFACES	3023
LT3485EDD-1#TRPBF Analog Devices, Inc.	IC CHARGER PHOTOFLASH 10-DFN	0
STODD03QTR STMicroelectronics	IC BLU-RAY PWR MANAGEMENT 16QFN	0
MCP16501TC-E/RMB Roving Networks / Microchip Technology	PMIC FOR SAMA5DX/SAM9X6 MPUS	4000
MAX6389XS31D1+	MAX6389 SC70, SINGLE LOW-VOLTAGE	3081
MAX6339CUT+	MAX6339 QUAD VOLTAGE MICROPROCES	1440
MAX6359LTUT+ Analog Devices, Inc.	MAX6359 DUAL-VOLTAGE MICROPROCES	0
MCZ33905CS5EKR2,518 NXP Semiconductors	SYSTEM BASIS CHIP, LIN, 2X 5.0V	0
TPS75005RGWT Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT, FI	29688
LP3970SQ-35/NOPB	POWER MANAGEMENT CIRCUIT, PQCC48	424
MAX77863AEWJ+T Maxim Integrated	PMIC FOR MULTI-CORE APPLICATIONS	0
LP2997M	TERMINATOR SUPPORT CIRCUIT, PDSO	647
LM3243TMX/NOPB Texas Instruments	IC ADJ BUCK RF PWR AMP 16DSBGA	2995
MC34PF4210A1ESR2 NXP Semiconductors	PF4210	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