PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
MAX6327UR31+ Analog Devices, Inc.	MAX6327 3-PIN, ULTRA-LOW-POWER S	470
MC32PF4210A2ESR2 NXP Semiconductors	PF4210	0
MAX6375XR22+ Analog Devices, Inc.	MAX6375 3-PIN, ULTRA-LOW-POWER V	425
ISL6617CRZ Intersil (Renesas Electronics America)	IC PWM DOUBLER MONITOR 10DFN	0
MC33FS6520CAER2 NXP Semiconductors	SYSTEM BASIS CHIP DCDC 2.2A VCO	0
BD9215AFV-E2 ROHM Semiconductor	IC INVERTER DC/AC SSOP-B28	1862
MVR5510AMMA0ES NXP Semiconductors	IC PMIC VR5510 QM	0
MAX4940CTN+ Maxim Integrated	IC DGTL PULSER HI-VOLT 56-TQFN	351
LP2995MRX	TERMINATOR SUPPORT CIRCUIT PDSO8	42500
TPS65180RGZT Texas Instruments	POWER SUPPLY CIRCUIT, ADJ	5250
STPMIC1APQR STMicroelectronics	14 OUTPUT RAILS PMIC 4 ADJUSTABL	1
NCS37012MNTWG	INTERRUPT CONTROLLER, CMOS	5750
LM5056APMHE/NOPB Texas Instruments	IC SUPERVISORY/SYS MGMT 28HTSSOP	188
LTC3108IDE#PBF Analog Devices, Inc.	IC CONV BOOST PROG 4.5MA 12DFN	142
MAX6362PUT31+	MAX6362 LOW-POWER MICROPROCESSO	666
MIC2821-4GJLYML-TR Roving Networks / Microchip Technology	IC PWR MGMT DGTL TRPL LDO 16-MLF	0
MC35FS6513CAE NXP Semiconductors	SBC, DCDC 1.5A VCORE FS1B CAN,15	0
MAX822LUS+	MAX822 4-PIN MICROPROCESSOR VOLT	225
LTC4360ISC8-1#TRMPBF Analog Devices, Inc.	IC OVERVOLTAGE PROT CONT SC70-8	4488
MVR5510AMMA6ES NXP Semiconductors	IC PMIC VR5510 QM	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