PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
LM26484SQX/NOPB Texas Instruments	IC PMU REG BUCK/LDO DUAL 24WQFN	0
LM3724EM5-4.63	POWER SUPPLY SUPPORT CIRCUIT, FI	0
HD3SS3220IRNHT Texas Instruments	USB TYPE-C DRP PORT CONTROLLER W	1400
LTC3567EUF#PBF Analog Devices, Inc.	IC USB POWER MANAGER 24-QFN	0
MAX6710GUT+ Analog Devices, Inc.	MAX6710 LOW-VOLTAGE, HIGH-ACCURA	1319
MC32PF1510A4EP NXP Semiconductors	PF1510	0
LTC3109EGN#PBF Analog Devices, Inc.	IC BOOST CONVERTER PMU 20SSOP	90
MVR5510AMMA0ESR2 NXP Semiconductors	IC PMIC VR5510 QM	0
MAX6467US46D3+ Analog Devices, Inc.	MAX6467 MICROPROCESSOR SUPERVISO	6307
UC2901N Texas Instruments	IC ISOLATED FB GENERATOR 14-DIP	59
TPS650531RGER Texas Instruments	IC PMU 5CH CONV/LDO REG 24VQFN	363
STLD1 STMicroelectronics	POWER-LINE COMMUNICATION DUAL LI	0
MAX6854UK26D3+ Analog Devices, Inc.	MAX6854 NANOPOWER MICROPROCESSOR	1638
TPS659162RGZR Texas Instruments	PMU FOR PROCESSOR - DEV	2231
LTC3625IDE#PBF Analog Devices, Inc.	IC SUPERCAP CHARGER 1A 12DFN	13
MAX6725AKAVDD3+ Analog Devices, Inc.	MAX6725 TRIPLE, ULTRA-LOW-VOLTAG	2048
O917A152TRGZRQ1 Texas Instruments	TPS65917-Q1 AUTOMOTIVE 3.15V TO	2460
MC34PF3000A8EP NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MAX16128UAADAA+ Maxim Integrated	IC LOAD DUMP REV V PROT 8UMAX	0
TPS659101A1RSL Texas Instruments	TPS65910 INTEGRATED POWER MANAGE	2231

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