PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
TLE4254EJA IR (Infineon Technologies)	TLE4254 - LINEAR VOLTAGE REGULAT	808
LTC3675EUFF#PBF Analog Devices, Inc.	IC PWR SUPPLY + LED DRVR 44QFN	0
MAX6827RUT+ Analog Devices, Inc.	MAX6827 DUAL ULTRA-LOW-VOLTAGE	1115
FAN7319MX	LIQUID CRYSTAL DRIVER, 4-SEGMENT	209000
FAN7316M	LIQUID CRYSTAL DRIVER, 4-SEGMENT	2140
O917A14DTRGZTQ1 Texas Instruments	AUTOMOTIVE 3.15V TO 5.25V, 5 BUC	2750
MAX6753KA26+ Analog Devices, Inc.	MAX6753 UP RESET CKT W/CAPACITOR	3122
TPS75003MRHLREP Texas Instruments	IC PWR MGMT TRIPLE-SUPPLY 20-QFN	0
TLC7733IPE4 Texas Instruments	TLC77 VOLTAGE SUPERVISOR WITH PR	0
UCD9240PFCG4 Texas Instruments	IC DGTL PWM SYSTEM CTRLR 80-TQFP	0
MIC94067YML	DUAL HIGH SIDE POWER SWITCHES	16821
TPS658623ZQZT Texas Instruments	TPS658623 ADVANCED POWER MANAGEM	9994
BD9890FV-E2 ROHM Semiconductor	IC INVERTER CTRL DC-AC 28-SSOP	0
MPF7100BVBA0ES NXP Semiconductors	PF7100 PMIC OTP	0
BQ51013BRHLT Texas Instruments	IC WIRELESS PWR RCVR 20QFN	46
5962-9750901Q2A Texas Instruments	TLC7733M SINGLE SVS FOR 3.3V SYS	15
UCC2976PW	FLUORESCENT LIGHT CONTROLLER	9039
UJA1132HW/FD/3V/0Y NXP Semiconductors	BUCK/BOOST HS-CAN/DUAL LIN SYSTE	1500
MAX6762TALAD3+ Analog Devices, Inc.	MAX6762 LOW-POWER, SINGLE/DUAL-V	192
TS61002-QFNR Semtech	FULL BRIDGE HIGH VOLTAGE FET DRI	3156

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