PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
S6AE103A0DGN1B000 Cypress Semiconductor	IC PMIC ENERGY HARVESTING 24QFN	0
FAN7547AM	SWITCHING CONTROLLER	6494
MC33910BACR2 NXP Semiconductors	IC SYSTEM BASIS CHIP 32LQFP	0
LTC3589EUJ-2#PBF Analog Devices, Inc.	IC DC/DC CONV 8-OUTPUT 40QFN	1720
MWCT1015SFVLL NXP Semiconductors	WCT1015 100 LQFP	0
LR745N3-G-P013 Roving Networks / Microchip Technology	IC CTRLR PWM SMPS TO92-3	0
LTC3588EDD-2#TRPBF Analog Devices, Inc.	IC ENERGY HARVESTING PSU 10DFN	0
MC34PF3000A3EPR2 NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
BQ51003YFPT Texas Instruments	IC WIRELESS PWR RCVR 28DSBGA	3597
MC32PF3001A6EP NXP Semiconductors	POWER MANAGEMENT IC I.MX7 PRE-	0
TPS658621DZGUR Texas Instruments	TPS658621D MULTI-CHANNEL POWER M	27000
CDM10VD4XTSA1 IR (Infineon Technologies)	IC DIMMER FLEXIBLE SOT23-6	2853
MAX4807CTN+ Maxim Integrated	IC DGTL PULSER DUAL 56TQFN	9
MAX6380XR41+ Analog Devices, Inc.	MAX6380 3-PIN, ULTRA-LOW-POWER V	2175
BM92A50MWV-ZE2 ROHM Semiconductor	IC PD CTLR USB TYPE-C 40UQFN	2490
BD9888FV-E2 ROHM Semiconductor	IC INVERTER CTRL DC-AC 28-SSOP	0
TPS25832QWRHBTQ1 Texas Instruments	IC POWER MANAGEMENT	200
TPS65216D0RSLR Texas Instruments	IC IND AUTO 48VQFN	0
MIC2810-4MSYML	DIGITAL POWER MANAGEMENT IC 2 MH	32855
MC32PF1510A1EPR2 NXP Semiconductors	PF1510	4970

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