PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
MVR5510AVMA0EP NXP Semiconductors	IC PMIC VR5510 QM	0
R5439K319JB-TR	2 TO 4 SERIAL CELL LI-ION OR LI-	60000
EH4205 Advanced Linear Devices, Inc.	MICROPOWER LOW VOLTAGE BOOSTER	1
MCZ33812EK Freescale Semiconductor, Inc. (NXP Semiconductors)	BUFFER/INVERTER BASED PERIPHERAL	804
LTC1923EGN#TRPBF Analog Devices, Inc.	IC CONTROLLER TEC HI EFF 28SSOP	1907
MAX1799EGP+ Analog Devices, Inc.	SYSTEM POWER SUPPLIES	94
LT2940IMS#TRPBF Analog Devices, Inc.	IC POWER/CURRENT MONITOR 12MSOP	1942
UCS1003-3-BP Roving Networks / Microchip Technology	IC USB PORT POWER CTRLR 20QFN	403
MAX6705ARKA+ Analog Devices, Inc.	MAX6705 LOW-VOLTAGE, MICROPROCES	2016
PT8A3263BWE Zetex Semiconductors (Diodes Inc.)	IC HEATING CONTROLLER 16SOIC	0
TPS65182BRGZT Texas Instruments	IC PWR MGMT E INK 48VQFN	250
ISL6218CRZ-T Intersil (Renesas Electronics America)	IC CTRLR IMPVP-IV SGL-PHS 40-QFN	0
MAX1968EUI+ Maxim Integrated	IC DRVR POWER 28-TSSOP	110300
TPS65980RHFR Texas Instruments	DC/DC SWITCHING REGULATOR	90000
TPS65983BAZBHR Texas Instruments	ACE C0 MM PRODUCTION	2750
LP2996LQ/NOPB Texas Instruments	IC DDR TERMINATION REG 16WQFN	4165
TPS65217CRSLT Texas Instruments	IC PMIC BATT PWR SYST 48VQFN	0
MD1711FG-G-M931 Roving Networks / Microchip Technology	IC ULTRASOUND DRIVER 48LQFP	998
MAX6412UK23+	MAX6412 LOW-POWER, SINGLE-VOLTAG	8985
LM2636M	SWITCHING CONTROLLER	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