PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
BQ51051BRHLT Texas Instruments	IC WIRELESS PWR RCVR 20QFN	109
TPS65140PWPR Texas Instruments	IC LCD SUPPLY TFT QUAD 24HTSSOP	0
BQ500410ARGZR Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT, FI	50000
LP2997MRX/NOPB Texas Instruments	IC DDR-II TERM REG 8SOPWRPAD	14236
TPS65167RHAT Texas Instruments	SWITCHING REGLTR, VOLTAGE-MODE	6500
BQ51052BYFPR Texas Instruments	BQ51052B BQ51052B INTEGRATED WIR	6000
UC2907N Texas Instruments	IC LOAD SHARE CONTROLLER 16DIP	740
BQ51050BRHLR Texas Instruments	IC WIRELESS PWR RCVR 20QFN	48
TPS65150PWPRG4 Texas Instruments	IC TRIPLE-OUT LCD SPPLY 24HTSSOP	0
O917A132TRGZRQ1 Texas Instruments	PMU FOR PROCESSOR	0
TPS25741RSMT Texas Instruments	IC PD CTLR USB TYPE-C 32VQFN	1464
LP3910SQX-AP/NOPB Texas Instruments	IC PWR MGMT W/CHARGER 48WQFN	0
BQ51221YFPR Texas Instruments	IC WIRELESS PWR RCVR 42DSBGA	0
TPS65910A1RSLR Texas Instruments	IC PWR MGMT 8 LDO TXRX 48VQFN	4927
LM10507TME-A/NOPB Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT, AD	5750
5962-88697012A Texas Instruments	UC1903 QUAD SUPPLY AND LINE MONI	3
LP3910SQ-AA/NOPB Texas Instruments	IC PWR MGMT W/CHRGR 48WQFN	0
TPS25740ARGER Texas Instruments	IC PD CTLR USB TYPE-C 24VQFN	0
LM5056APMHX/NOPB Texas Instruments	IC SUPERVISORY/SYS MGMT 28HTSSOP	2866
TPS650002TRTETQ1 Texas Instruments	POWER MANAGEMENT	485

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