PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
STWBC-MC STMicroelectronics	IND.& POWER CONV.	153
EFP0111GM20-D Silicon Labs	EFP0111 BOOST BOOTSTRAP PMIC	685
RP605Z253B-E2-F RICOH Electronic Devices Co., LTD.	300MA ULTRA-LOW POWER BUCK BOOST	100
MC33FS6520NAER2 NXP Semiconductors	SYSTEM BASIS CHIP DCDC 2.2A VCO	0
MPF5024AMMA0ESR2 NXP Semiconductors	POWER MANAGEMENT IC, PRE-PROG, 4	0
TPS659109A1RSLR Texas Instruments	IC PWR MGMT 8 LDO 48VQFN	0
MAX6723UTSHD3+ Analog Devices, Inc.	MAX6723 TRIPLE, ULTRA-LOW-VOLTAG	1847
MC34PF1550A2EPR2 NXP Semiconductors	POWER MANAGEMENT IC: 3 BUCK REGS	0
TPS6591106A2ZRCR Texas Instruments	TPS65911 INTEGRATED POWER MANAGE	40000
TPS659106A1RSLR Texas Instruments	IC PWR MGMT 8 LDO 48VQFN	0
MAX6326UR28+	MAX6326 3-PIN, ULTRA-LOW-POWER S	7542
MAX20323DENC+T Maxim Integrated	IC OVERVOLTAGE PROTECTOR 12WLP	52500
TPS26636PWPR Texas Instruments	IC POWER MANAGEMENT	1896
TPS65058RGET Texas Instruments	TPS65053 CONFIGURABLE INTEGRATED	5250
MAX16971AGEEB/V+ Maxim Integrated	AUTOMOTIVE USB PROTECTOR WITH CD	6300
MC33PF3000A3ES NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
TPS65070RSLR Texas Instruments	IC PWR MGMT 5CH W/2 LDO 48VQFN	2596
MAX6315US45D3+ Analog Devices, Inc.	MAX6315 OPEN-DRAIN SOT MICROPROC	6537
MAX6717UKSYD3+ Analog Devices, Inc.	MAX6717 DUAL/TRIPLE, ULTRA-LOW-V	358
MIC2774N-28YM5	DUAL MICRO-POWER LOW VOLTAGE SUP	5720

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