PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
BQ51221YFPT Texas Instruments	IC WIRELESS PWR RCVR 42DSBGA	113
TPS65988DJRSHR Texas Instruments	POWER MANAGEMENT	540
TPS990STPZPRQ1 Texas Instruments	DLP SYSTEM MANAGEMENT AND I	1000
TPS65721RSNR Texas Instruments	IC PMU 2CH CONV/LDO 32QFN	0
TPS65170RHDT Texas Instruments	TPS65170 4-CH LCD BIAS W/ REGULA	12750
TPS6591102A2ZRCR Texas Instruments	TPS65911 INTEGRATED POWER MANAGE	40000
TUSB320HAIRWBR Texas Instruments	IC USB TYPE-C LOGIC/PORT 12X2QFN	0
TPS65141PWP Texas Instruments	TPS65141 4-CH LCD BIAS W/ FULLY	6000
UC2907DWG4 Texas Instruments	IC LOAD SHARE CONTR 16-SOIC	0
UC2901DG4 Texas Instruments	IC ISOLATED FB GENERATOR 14-SOIC	0
SN6505ADBVT Texas Instruments	IC TRANSFORMER DRIVER SOT23-6	547
TPS40120PWG4 Texas Instruments	IC PROG FEEDBK DIVIDER 14-TSSOP	0
TPS650006RTER Texas Instruments	TPS650006 2.25MHZ STEP-DOWN CONV	68772
TPS6591104EA2ZRCR Texas Instruments	TPS65911 INTEGRATED POWER MANAGE	36921
O919A152TRGZRQ1 Texas Instruments	PMU FOR PROCESSOR	0
LP3971SQX-7848/NOPB Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT, AD	0
DRV592VFP Texas Instruments	IC PWM PWR DRVR HI-EFF 32-HLQFP	250
BQ51010BYFPR Texas Instruments	BQ51010B - HIGHLY INTEGRATED WIR	218980
TPS65052RSMR Texas Instruments	POWER SUPPLY CIRCUIT, FIXED	69000
UCC39002D Texas Instruments	UCC39002 ADVANCED 8 PIN LOADSHAR	844

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