PMIC - Power Management

PMIC - Power Management - Specialized

Part Number	Description / PDF	Quantity
TPS2511DGN Texas Instruments	IC USB PWR SW/CTRLR CHRG 8MSOP	2096
ADN8830ACP-REEL7 Analog Devices, Inc.	THERMOELECTRIC COOLER CONTROLLER	43313
FAN7317M	LIQUID CRYSTAL DRIVER, 4-SEGMENT	1016
MC35FS6512CAE NXP Semiconductors	FS6500	0
MC33FS4502LAE NXP Semiconductors	SYSTEM BASIS CHIP LINEAR 0.5A V	0
BD9401FM-E2 ROHM Semiconductor	IC POWER SUPPLY LSI 28HSOP	0
MAX16038LLA29+	POWER MANAGEMENT CIRCUIT, BICMOS	813
TPS659108A1RSLR Texas Instruments	TPS65910 INTEGRATED POWER MANAGE	1496
P8300-T0NDGI Renesas Electronics America	VFQFPN 7.00X7.00X1.00 MM, 0.40MM	0
LT3485EDD-3#TRPBF Analog Devices, Inc.	IC CHARGER PHOTOFLASH 10-DFN	0
TPS650532RGET Texas Instruments	IC PWR MGT 5CH W/3 LDO 24-VQFN	33
LTC4361IDC-1#TRPBF Analog Devices, Inc.	IC CTLR OVP LATCHOFF 8DFN	1230
TPS61251DSGT Texas Instruments	IC BOOST CONV ADJ 1.5A 8WSON	1243
MAX8660ETL+T Maxim Integrated	IC POWER MANAGE XSCALE 40-TQFN	9875000
TLE8080EMXUMA1 IR (Infineon Technologies)	ENGINECONTR	1525
MAX16942EGEE/V+T Maxim Integrated	IC CTLR USB PROTECTOR QSOP	0
L9524C-TR STMicroelectronics	IC CTRL GLOW PLUG SYSTEM 24-SOIC	0
MAX6701ATKA+ Analog Devices, Inc.	MAX6701 LOW-VOLTAGE, MICROPROCES	1746
L9953LXPTR STMicroelectronics	IC DVR DOOR ACTUATOR POWERSSO36	0
MCZ33742EGR2 Freescale Semiconductor, Inc. (NXP Semiconductors)	TELECOM CIRCUIT, 1-FUNC, PDSO28	23000

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