PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
TPS6591102AA2ZRCR Texas Instruments	TPS65911 INTEGRATED POWER MANAGE	122500
VN5MB02TR-E STMicroelectronics	IC MOTOR BIKE BLINKER DVR 16SOIC	0
LT2940IMS#PBF Analog Devices, Inc.	IC CURRENT/POWER MONITOR 12MSOP	1337
MAX16129UAAGA+T Maxim Integrated	VOLTAGE PROTECTION CIRCUITS	7500
MC32PF3000A6EPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MC33PT2001MAER2 NXP Semiconductors	SOLENOID CONTROLLER 6 64LQFP	0
MC34PF3000A6EPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
MD1711K6-G Roving Networks / Microchip Technology	IC ULTRASOUND DRIVER 48VQFN	0
LPTM21-1AFTG237I Lattice Semiconductor	IC PLATFORM MANAGER 237FTBGA	61
MC34VR500V7ESR2 NXP Semiconductors	REGULATOR BUCK QUAD WITH UP TO	0
MC34PF1510A4EPR2 NXP Semiconductors	PF1510	5000
MAX1798AEUP Analog Devices, Inc.	CDMA CELLULAR/PCS SYSTEM POWER	1532
NCP5080MUTXG	BATTERY CHARGE CONTROLLER	55475
MC34PF4210A3ES NXP Semiconductors	PF4210	0
RC5060MT	ANALOG CIRCUIT, 1 FUNC, PDSO20	20000
RP605Z183B-E2-F RICOH Electronic Devices Co., LTD.	300MA ULTRA-LOW POWER BUCK BOOST	100
MIC809TUY	MICROPROCESSOR RESET CIRCUIT	9451
MAX17613BATP+ Maxim Integrated	IC CURRENT LIMIT OV, UV, RP 20TQ	199
MAX6365HKA29+	MAX6365 LOW-POWER MICROPROCESSO	5563
UCC29002DGKR Texas Instruments	IC LOAD SHARE CTRLR ADV 8VSSOP	1094

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