PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
MC34PF8100F3EPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX8 PRE-PR	0
MC32PF3001A3EPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MC33FS6522NAE NXP Semiconductors	SYSTEM BASIS CHIP DCDC 2.2A VCO	0
MC34910BACR2 NXP Semiconductors	IC SYSTEM BASIS CHIP LIN 32-LQFP	0
MC33FS6502LAE NXP Semiconductors	SYSTEM BASIS CHIP DCDC 0.8A VCO	105
MC34704BEPR2 NXP Semiconductors	IC PWR MGMNT DC-DC MULT 56-QFN	1163
MC34PF3000A0EPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MC33FS4502CAER2 NXP Semiconductors	SYSTEM BASIS CHIP LINEAR 0.5A V	0
MC34VR500VAESR2 NXP Semiconductors	REGULATOR BUCK QUAD WITH UP TO 4	0
MC32PF3001A7EP NXP Semiconductors	IC PWR MGMT I.MX7 6LDO QFN 48	0
MC34PF8100EREPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX8 PRE-PR	0
MC34PF1510A7EP NXP Semiconductors	PF1510	0
UJA1131HW/FD/5V/0Y NXP Semiconductors	BUCK/BOOST HS-CAN/DUAL LIN SYSTE	0
MC33FS6501NAE NXP Semiconductors	SYSTEM BASIS CHIP DCDC 0.8A VCO	0
MC33PF8200DFESR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX8 PRE-PR	0
MC32PF3000A5EP NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MC33PF8100EQES NXP Semiconductors	IC POWER MANAGEMENT I.MX8QM	0
MC34PF8100EREP NXP Semiconductors	IC POWER MANAGEMENT I.MX8QM	0
MC32PF1550A4EP NXP Semiconductors	PMIC WITH 1A LI+ LINEAR BATTERY	0
MC35FS6513CAER2 NXP Semiconductors	SBC, DCDC 1.5A VCORE FS1B CAN,15	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