PMIC - Current Regulation/Management

Category Introduction

Current Regulation/Management ICs are a semiconductor device designed to monitor and regulate current within a circuit. The functions are current gauge, current limiting, current mirror, current monitor, current regulator, current ripple suppressor, current sense, current source, current switch, and an electronic fuse with a current output of adjustable, and 100µA to 50A.

Product List

343 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Function	Sensing Method	Accuracy	Voltage - Input	Current - Output	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
NSI50010YT1G IC REG CCR 50V 10MA SOD123-2 onsemi	1,213	$0.42		Tape & Reel (TR)	Active	Current Regulator	High/Low-Side	-	50V	10mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
NSI45025AT1G IC LED DRIVER LINEAR SOD-123 onsemi	1,590	$0.48		Tape & Reel (TR)	Active	Current Regulator	High/Low-Side	±10%	45V	25mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
NSI45020T1G IC CCR/LED DVR 45V 20MA SOD-123 onsemi	204	$0.50		Tape & Reel (TR)	Active	Current Regulator	High/Low-Side	±15%	45V	20mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
NSI45020AT1G IC LED DRIVER LINEAR SOD-123 onsemi	1,673	$0.56		Tape & Reel (TR)	Active	Current Regulator	High/Low-Side	±10%	45V	20mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
STEF4SPUR IC ELECTRONIC FUSE 10VFDFPN STMicroelectronics	66	$2.08		Tape & Reel (TR)	Active	Electronic Fuse	High-Side	-	10V	5A	-40°C ~ 85°C (TA)	Surface Mount	10-WFDFN Exposed Pad	10-DFN (3x3)
LM234DT IC CURRENT SOURCE 3% 8SOIC STMicroelectronics	135	$2.62		Tape & Reel (TR)	Active	Current Source	-	±3%	1V ~ 40V	10mA	-25°C ~ 100°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD8211YRJZ-R2 IC CURRENT MONITOR 0.25% SOT23-5 Analog Devices Inc.	300	$2.95		Tape & Reel (TR)	Active	Current Monitor	High/Low-Side	±0.25%	-2V ~ 65V	-	-40°C ~ 125°C	Surface Mount	SC-74A, SOT-753	SOT-23-5
INA3221AIRGVR IC CURRENT SHUNT MONITOR 16VQFN Texas Instruments	179	$4.37		Tape & Reel (TR)	Active	Current/Voltage Monitor	High-Side	±0.25%	0V ~ 26V	-	-40°C ~ 125°C	Surface Mount	16-VQFN Exposed Pad	16-VQFN (4x4)
AD8210YRZ-REEL7 IC CURRENT MONITOR 0.5% 8SOIC Analog Devices Inc.	124	$5.97		Tape & Reel (TR)	Active	Current Monitor	High/Low-Side	±0.7%	-2V ~ 65V	5mA	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD8213YRMZ-R7 IC CURRENT MONITOR 0.25% 10MSOP Analog Devices Inc.	144	$6.09		Tape & Reel (TR)	Active	Current Monitor	High/Low-Side	±0.25%	-2V ~ 65V	-	-40°C ~ 125°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
ADL5315ACPZ-R7 IC CURRENT MONITOR 8LFCSP Analog Devices Inc.	5	$6.19		Tape & Reel (TR)	Active	Current Mirror	High-Side	-	2.7V ~ 8V	-	-40°C ~ 85°C	Surface Mount	8-VFDFN Exposed Pad, CSP	8-LFCSP-VD (3x2)
INA170EA/250 IC CURRENT SHUNT MONITOR 8VSSOP Texas Instruments	167	$4.96		Tape & Reel (TR)	Active	Current Monitor	High-Side	±0.5%	2.7V ~ 60V	-	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM234Z-3/NOPB IC CURRENT SOURCE 3% TO92-3 Texas Instruments	60	$3.72		Bulk	Active	Current Source	-	±1%	1V ~ 40V	Adjustable	-25°C ~ 100°C	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92-3
AD8215YRZ IC CURRENT MONITOR 0.15% 8SOIC Analog Devices Inc.	204	$3.98		Tube	Active	Current Monitor	High/Low-Side	±0.15%	-2V ~ 65V	-	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
LM134H/NOPB CONSTANT CURRENT SOURCE Texas Instruments	32	$22.52		Bulk	Active	Current Source	-	±3%	1V ~ 40V	Adjustable	-55°C ~ 125°C	Through Hole	TO-206AB, TO-46-3 Metal Can	TO-46-3
NSV45020AT1G IC REG CCR 45V 20MA SOD123 onsemi	941	$0.44	Automotive, AEC-Q101	Tape & Reel (TR)	Active	Current Regulator	High/Low-Side	±10%	45V	20mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
NSI45030T1G IC CCR/LED DVR 45V 30MA SOD-123 onsemi	1,540	$0.51		Tape & Reel (TR)	Active	Current Regulator	High/Low-Side	±15%	45V	30mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
NSV50010YT1G IC REG CCR 50V 10MA SOD123 onsemi	669	$0.59	Automotive, AEC-Q101	Tape & Reel (TR)	Active	Current Regulator	High/Low-Side	-	50V	10mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
INA381A4IDSGR LOW COST CURRENT SENSOR WITH COM Texas Instruments	286	$0.63	Zero-Drift	Tape & Reel (TR)	Active	Current Sense	High/Low-Side	±1%	0V ~ 26V	-	-40°C ~ 125°C (TA)	Surface Mount	8-WFDFN Exposed Pad	8-WSON (2x2)
STEF05PUR IC ELECTRONIC FUSE 5V 10DFN STMicroelectronics	604	$1.29		Tape & Reel (TR)	Active	Electronic Fuse	-	-	3.1V ~ 10V	3.6A	-40°C ~ 125°C (TJ)	Surface Mount	10-VFDFN Exposed Pad	10-DFN (3x3)

About Current Regulation/Management PMICs

What are Current Regulation/Management PMICs?

Current Regulation/Management PMICs

Current Regulation/Management Power Management Integrated Circuits (PMICs) are specialized semiconductor devices designed to manage and regulate the flow of electrical current within electronic systems. These ICs ensure that the current supplied to various components is stable and within the required limits, preventing damage due to overcurrent or undercurrent conditions. They operate by using feedback mechanisms to monitor the current levels and adjust the output accordingly, often employing techniques such as pulse-width modulation (PWM) or linear regulation to maintain precise control over the current flow.

Types of Current Regulation/Management PMICs

1. Linear Regulators

Linear regulators are simple and cost-effective solutions for current regulation, providing a constant output current by dissipating excess voltage as heat. They are best suited for applications requiring low noise and minimal electromagnetic interference (EMI), though they are less efficient than other types due to their heat dissipation characteristics.

2. Switching Regulators

Switching regulators, or switch-mode power supplies (SMPS), offer higher efficiency by converting input power to output power through high-frequency switching. They are ideal for applications demanding high efficiency and compact size, though they may introduce more noise compared to linear regulators.

3. Buck Regulators

Buck regulators, a subset of switching regulators, step down the input voltage to a lower output voltage while maintaining a constant current. They are widely used in battery-powered devices where efficient power conversion is critical.

4. Boost Regulators

Boost regulators increase the input voltage to a higher output voltage, suitable for applications where the input voltage is lower than the required output. They are commonly used in portable devices and renewable energy systems.

How to choose Current Regulation/Management PMICs?

When selecting a Current Regulation/Management PMIC, consider the following key parameters:

Output Current and Voltage Requirements: Ensure the PMIC can handle the desired output current and voltage levels.
Efficiency: Choose a PMIC with high efficiency to minimize power loss and heat generation.
Thermal Management: Evaluate the thermal performance and cooling requirements of the PMIC.
Size and Form Factor: Consider the physical dimensions and packaging to fit the application space constraints.
Noise and EMI: Assess the noise levels and EMI characteristics, especially for sensitive applications.
Supplier Reputation: Research the reliability and quality of different suppliers, looking for certifications and customer reviews.
Environmental Factors: Consider operating temperature ranges, humidity, and other environmental conditions.

By carefully evaluating these parameters, you can select a PMIC that meets your specific application needs while ensuring reliability and performance.

Applications of Current Regulation/Management PMICs

1. Consumer Electronics

In consumer electronics, PMICs are used to manage power in devices such as smartphones, tablets, and laptops. They ensure efficient battery charging, regulate power to various components, and extend battery life by optimizing power usage.

2. Automotive Industry

In the automotive sector, PMICs are crucial for managing power in electric and hybrid vehicles, ensuring stable current supply to critical systems like infotainment, lighting, and engine control units. They help improve fuel efficiency and reduce emissions.

3. Industrial Automation

PMICs in industrial automation systems regulate power to sensors, actuators, and control units, ensuring reliable operation in harsh environments. They contribute to energy savings and enhance system reliability and uptime.

4. Telecommunications

In telecommunications, PMICs manage power distribution in network infrastructure, including base stations and data centers. They ensure efficient power conversion and distribution, supporting high-speed data transmission and reducing operational costs.

5. Renewable Energy Systems

PMICs play a vital role in renewable energy systems, such as solar and wind power, by regulating the current from energy sources to storage systems and loads. They maximize energy conversion efficiency and ensure stable power supply.