PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
TPS2150IPWP Texas Instruments	TPS2150 ADJUSTABLE LDO PLUS 3.3V	2084
MAX8664AEEP+ Maxim Integrated	IC CNTRLR DUAL OUT 20-QSOP	15942200
MAX5903LAEUT+ Analog Devices, Inc.	MAX5903 +72V TDFN, SIMPLE SWAPPE	1592
MAX825LEXK+ Analog Devices, Inc.	MAX825 5-PIN MICROPROCESSOR SUPE	1247
ISL6443IR Intersil (Renesas Electronics America)	DUAL SWITCHING CONTROLLER	607
TPS40120PWR Texas Instruments	IC PROG FEEDBK DIVIDER 14-TSSOP	2000
MAX6385XS31D3+ Analog Devices, Inc.	MAX6385 SINGLE LOW-VOLTAGE, LOW-	2157
ISL78419ARZ-T Intersil (Renesas Electronics America)	IC TFT-LCD PS REGULATOR 28QFN	0
MAX17561AUD+ Maxim Integrated	IC OVERVOLTAGE PROTECTOR 14TSSOP	3354800
UCD3040PFCR Texas Instruments	UCD3040 FULLY PROGRAMMABLE DIGIT	16000
BQ500110RGZT Texas Instruments	TRANSMITTER IC, PQCC48	4000
LTC3577EUFF#PBF Analog Devices, Inc.	IC PWR MANAGEMENT HANDHELD 44QFN	278
MAX20070BGTJA/V+ Maxim Integrated	IC TFT-LED PWR SUPPLY TQFN	2880
MAX16922ATPJ/V+ Maxim Integrated	IC DCDC CONV STPDN DL LDO 20TQFN	0
MC33PF3001A6ESR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MAX6427DHUR+ Analog Devices, Inc.	MAX6427 LOW-POWER, SINGLE-LEVEL	1638
MAX6436UT+ Analog Devices, Inc.	MAX6436 LOW-POWER, SINGLE/DUAL-L	96
MC34PF1510A5EPR2 NXP Semiconductors	PF1510	0
MC33PF8200D2ES NXP Semiconductors	IC POWER MANAGEMENT	0
UCD3028RHAR Texas Instruments	UCD3028 FULLY PROGRAMMABLE DIGIT	50000

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