PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
MAX6316MUK46CY+ Analog Devices, Inc.	MAX6316 5-PIN MICROPROCESSOR SUP	20588
MC34PF1550A1EPR2 NXP Semiconductors	PF1550 - PMIC WITH 1A LI+ LINEAR	5000
ADN2526ACPZ-R2 Analog Devices, Inc.	11.3 GBPS ACTIVE BACK-TERMINATIO	3485
MAX17613BATP+T Maxim Integrated	4.5V TO 60V, 3A CURRENT-LIMITER	0
MAX6422US22+ Analog Devices, Inc.	MAX6422 LOW-POWER, SOT MICROPROC	1445
MAX16948AGTE/V+T Maxim Integrated	IC LDO/SWITCH ADJ DUAL 16TQFN	0
NCS1002DR2G Sanyo Semiconductor/ON Semiconductor	IC CTLR CV/CC SMPS 8-SOIC	4950
MC35FS6500CAE NXP Semiconductors	SYSTEM BASIS CHIP DCDC 0.8A VCO	98
LTC4365HDDB#TRMPBF Analog Devices, Inc.	IC OVERVOLTAGE PROTECT 8-DFN	4324
P1110B Powercast	POWERHARVESTER RECEIVER - 915 MH	74
LTC3577EUFF-3#TRPBF Analog Devices, Inc.	POWER SUPPLY MANAGEMENT CIRCUIT,	4938
MAX809TEXR+ Analog Devices, Inc.	MAX809 3-PIN MICROPROCESSOR RESE	3397
LP5551SQ/NOPB	ANALOG CIRCUIT, 1 FUNC	469
RN5T568C-E4 RICOH Electronic Devices Co., LTD.	POWER MANAGEMENT SYSTEM DEVICE F	0
BD9886F-E2 ROHM Semiconductor	IC INVERTER CTRL DC-AC 28-SOP	0
STUSB4700YQTR STMicroelectronics	STAND-ALONE USB PD CONTROLLER (W	0
MC32PF1550A5EP NXP Semiconductors	PF1550	0
CS3351YD14	ANALOG CIRCUIT, BIPOLAR, PDSO14	5170
TPS65058RGER Texas Instruments	TPS65053 CONFIGURABLE INTEGRATED	39000
MAX6378UR46+ Analog Devices, Inc.	MAX6378 3-PIN, ULTRA-LOW-POWER V	2076

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