PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
LTC1923EUH#PBF Analog Devices, Inc.	IC THERMOELEC COOLER CNTRLR32QFN	485
MAX6861UK17+ Analog Devices, Inc.	MAX6861 NANOPOWER MICROPROCESSOR	1578
LTC1699EMS8-82#TRPBF Analog Devices, Inc.	IC PROGRAMMER VOLT SMBUS 8MSOP	0
MAX6736XKTWD7+	MAX6736 LOW-POWER DUAL-VOLTAGE M	1400
MC34VR5100A1EPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
P2110B Powercast	POWERHARVESTER RECEIVER - 915 MH	115
TPS61122PWR Texas Instruments	BATTERY CHARGE CONTROLLER	2000
TPS2148IDGN Texas Instruments	IC 3.3V LDO/DUAL SWITCH 8-MSOP	195
MC33PT2000AFR2 NXP Semiconductors	PROGRAMMABLE SOLENOID CONTROLLER	0
STLUX383A STMicroelectronics	IC DIGITAL CTLR PWM 38TSSOP	1000
HV7355K6-G Roving Networks / Microchip Technology	IC ULTRASOUND DRIVER 56VQFN	0
LTC3625EDE-1#TRPBF Analog Devices, Inc.	IC SUPERCAP CHARGER 1A 12DFN	0
LTC3588EDD-2#PBF Analog Devices, Inc.	IC ENERGY HARVESTING PSU 10DFN	423
MC33PF3000A5ES NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MAX6823MUK+ Analog Devices, Inc.	MAX6823 LOW-VOLTAGE MICROPROCES	0
LTC3589EUJ-2#TRPBF Analog Devices, Inc.	IC POWER MANAGEMENT	2841
TPS65053RGET Texas Instruments	IC POWER MANAGEMENT 5CH 24-VQFN	115
MAX17523ATE+ Maxim Integrated	IC ADJ OVER V/I PROTC 16TQFN	212
MC33FS5502Y3ES NXP Semiconductors	HIGH VOLTAGE PMIC QFN56	520
TPS658310YFFR Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT, FI	4500

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