PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
UPD360-B/6HX Roving Networks / Microchip Technology	USB TYPE-C/PD CONTROLLER WITH I2	161
O3850QDCARQ1 Texas Instruments	AUTOMOTIVE HIGH VOLTAGE POWER MA	0
NCP81022NMNTXG Sanyo Semiconductor/ON Semiconductor	AMD VR CONTROLLER	0
AS3701B-BWLM-01 ams	IC PMU CHARGER WLP	0
STNRGPF01TR STMicroelectronics	PFC DIGITAL CONTROLLER 38TSSOP	0
L99DZ80EP STMicroelectronics	IC DOOR MODULE DRIVER 64TQFP	0
MAX6358TWUT+	MAX6358 DUAL-VOLTAGE MICROPROCES	531
LTC3589HUJ-1#PBF Analog Devices, Inc.	IC CONV DC/DC 8-OUTPUT 40QFN	221
MC33FS6510CAER2 NXP Semiconductors	SYSTEM BASIS CHIP DCDC 1.5A VCO	0
MAX8216ESD Analog Devices, Inc.	POWER SUPPLY SUPPORT CIRCUIT, FI	311
LTC3331EUH#PBF Analog Devices, Inc.	IC REG BUCK/LDO SYNC 50MA 32QFN	85
LTC3589EUJ#PBF Analog Devices, Inc.	IC DC/DC CONV 8-OUTPUT 40QFN	52
LTC3586EUFE-3#PBF Analog Devices, Inc.	IC USB POWER MANAGER HE 38-QFN	89
MAX6376XR22+ Analog Devices, Inc.	MAX6376 3-PIN, ULTRA-LOW-POWER V	5229
MC32PF1550A1EP NXP Semiconductors	POWER MANAGEMENT IC: 3 BUCK REGS	0
MAX16129UAAGA+ Maxim Integrated	IC PROTECTION CIRCUIT UMAX	0
SP708RCN-L	POWER SUPPLY SUPPORT CIRCUIT, FI	4652
LTC4367IMS8-1#TRPBF Analog Devices, Inc.	SUPPLY PROTECTION CONTROLLER	0
UCD9240RGCT Texas Instruments	SWITCHING CONTROLLER, 2000KHZ SW	666
MAX6381XR46D2+	MAX6381 SINGLE LOW-VOLTAGE, LOW-	13522

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