PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
O917A154TRGZRQ1 Texas Instruments	PMU FOR PROCESSOR	0
MC34VR5100A2EPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
LTC3331IUH#PBF Analog Devices, Inc.	IC REG BUCK/LDO SYNC 50MA 32QFN	79
LTC4367IDD#TRPBF Analog Devices, Inc.	SUPPLY PROTECTION CONTROLLER	856
ISL6218CVZA-T Intersil (Renesas Electronics America)	IC CTRLR INTEL PENT M 38-TSSOP	0
P91E0A-N2FBVG28 Renesas Electronics America	CABGA 9.00X9.00X0.90 MM, 0.65MM	0
MC32PF8121F2EP NXP Semiconductors	IC POWER MANAGEMENT I.MX8M MINI	0
PCC210 Powercast	POWERHARVESTER BOOST CONVERTER I	2182
MAX6829TWUT+ Analog Devices, Inc.	MAX6829 DUAL ULTRA-LOW-VOLTAGE	5148
LTC3108IGN-1#PBF Analog Devices, Inc.	IC BOOST PROGRAMABLE DUAL 16SSOP	74
LP3971SQ-D510/NOPB	POWER SUPPLY SUPPORT CIRCUIT, AD	0
TLE80802EMXUMA1 IR (Infineon Technologies)	TLE80802 - POWER INTERFACE PRODU	2500
MASTERGAN1 STMicroelectronics	HIGH-DENSITY POWER DRIVER - HIGH	1584
MD1712K6-G Roving Networks / Microchip Technology	IC ULTRASOUND DRIVER 48VQFN	260
MAX6755UKTD0+ Analog Devices, Inc.	MAX6755 LOW-POWER, SINGLE-VOLTAG	1092
MC35FS6503NAER2 NXP Semiconductors	FS6500	0
MC32PF3001A5EP NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MAX6755UKLD3+ Analog Devices, Inc.	MAX6755 LOW-POWER, SINGLE-VOLTAG	2066
KA2807DTF Sanyo Semiconductor/ON Semiconductor	IC GROUND FAULT INTERRUPTER 8SOP	2147483647
ISL6271ACRZ-T Intersil (Renesas Electronics America)	IC PMIC XSCALE REG 20-QFN	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