PMIC - Battery Management

Category Introduction

Products in the Battery Management PMIC (Power Management Integrated Circuit) family are used for battery-related monitoring and control functions including authentication, cell balancing, condition monitoring, fuel gauging, source selection, short circuit protection, over- and under-voltage protection, and others. Note that while some products in this family may include a battery charging function among their features, products implementing a charging function as a principle feature are classified separately.

Product List

5164 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Function	Battery Chemistry	Number of Cells	Fault Protection	Interface	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
S-8241ABKMC-GBKT2G IC BATT PROT LI-ION 1CEL SOT23-5 ABLIC Inc.	617	$0.85		Tape & Reel (TR)	Not For New Designs	Battery Protection	Lithium Ion/Polymer	1	Over Current, Over Voltage	-	-40°C ~ 85°C (TA)	Surface Mount	SC-74A, SOT-753	SOT-23-5
LC709204FXE-01TBG IC FUEL GAUGE LI-ION 1C 12WLCSP onsemi	264	$2.48		Tape & Reel (TR)	Active	Battery Monitor	Lithium Ion/Polymer	1	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	12-UFBGA, WLCSP	12-WLCSP (1.48x1.91)
MAX17260SEWL+T IC BATT MON LI-ION 1CELL 9WLP Analog Devices Inc./Maxim Integrated	299	$2.62	ModelGauge™	Tape & Reel (TR)	Active	Battery Monitor	Lithium Ion	1	-	I²C	-40°C ~ 85°C	Surface Mount	9-WFBGA, WLBGA	9-WLP (1.47x1.45)
MAX6778XK+T IC BATT MON MULTI-CHEM 1C SC70-5 Analog Devices Inc./Maxim Integrated	6	$3.64		Tape & Reel (TR)	Active	Battery Monitor	Multi-Chemistry	1	-	-	-40°C ~ 85°C (TA)	Surface Mount	5-TSSOP, SC-70-5, SOT-353	SC-70-5
MAX17261METD+T IC BATT LIFEPO4/LI-ION 1C 14TDFN Analog Devices Inc./Maxim Integrated	55	$4.07	ModelGauge™	Tape & Reel (TR)	Active	Battery Monitor	LiFePO4/Li-ion	1	-	I²C	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)
MAX17201G+T IC BATT MONITOR 1CELL 14TDFN Analog Devices Inc./Maxim Integrated	8	$4.15	ModelGauge™	Tape & Reel (TR)	Active	Battery Monitor	-	1	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)
BQ27531YZFT-G1 IC BATT FUEL GAUGE LIION 15DSBGA Texas Instruments	149	$3.50	Impedance Track™	Tape & Reel (TR)	Active	Battery Monitor	Lithium Ion	1	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	15-UFBGA, DSBGA	15-DSBGA
MAX17205G+T IC BATT MFUNC 2-3CELL 14TDFN Analog Devices Inc./Maxim Integrated	189	$4.49	ModelGauge™	Tape & Reel (TR)	Active	Multi-Function Controller	-	2 ~ 3	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)
DS2786G+T&R IC BATT MONITOR LI-ION 10TDFN Analog Devices Inc./Maxim Integrated	111	$5.90		Tape & Reel (TR)	Active	Battery Monitor	Lithium Ion/Polymer	-	-	I²C	-20°C ~ 70°C (TA)	Surface Mount	10-WFDFN Exposed Pad	10-TDFN (3x3)
LTC2942IDCB#TRMPBF IC BATT MON LI-ION 1CELL 6DFN Analog Devices Inc.	135	$5.39		Tape & Reel (TR)	Active	Battery Monitor	Lithium Ion	1	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	6-WFDFN Exposed Pad	6-DFN (2x3)
BQ34Z100PWR IC BATT MON MULTI-CHEM 14TSSOP Texas Instruments	158	$5.43	Impedance Track™	Tape & Reel (TR)	Active	Battery Monitor	Multi-Chemistry	-	-	HDQ, I²C	-40°C ~ 85°C (TA)	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
BQ27542DRZT-G1 IC BATT FUEL GAUGE LI-ION 12SON Texas Instruments	185	$4.98	Impedance Track™	Tape & Reel (TR)	Active	Battery Monitor	Lithium Ion	1	-	HDQ, I²C	-40°C ~ 85°C (TA)	Surface Mount	12-VFDFN Exposed Pad	12-SON (2.5x4)
LTC2943CDD#TRPBF IC BATT MONITOR MULTI-CHEM 8DFN Analog Devices Inc.	127	$6.34		Tape & Reel (TR)	Active	Battery Monitor	Multi-Chemistry	-	Over Current, Over Temperature, Over Voltage	I²C	0°C ~ 70°C (TA)	Surface Mount	8-WFDFN Exposed Pad	8-DFN (3x3)
BQ28Z610DRZT IC FUEL GAUGE LI-ION 1-2CL 12SON Texas Instruments	143	$5.78	Impedance Track™	Tape & Reel (TR)	Active	Multi-Function Controller	Lithium Ion/Polymer	1 ~ 2	Over Current, Over Temperature, Over/Under Voltage, Short Circuit	I²C	-40°C ~ 85°C (TA)	Surface Mount	12-VFDFN Exposed Pad	12-SON (2.5x4)
MAX17261METD+ IC BATT LIFEPO4/LI-ION 1C 14TDFN Analog Devices Inc./Maxim Integrated	146	$4.10	ModelGauge™	Tray	Active	Battery Monitor	LiFePO4/Li-ion	1	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)
BQ35100PW IC BATT MON MULTI-CHEM 14TSSOP Texas Instruments	209	$4.16		Tube	Active	Battery Monitor	Multi-Chemistry	-	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
LTC2943IDD#TRPBF IC BATT MONITOR MULTI-CHEM 8DFN Analog Devices Inc.	25	$7.51		Tape & Reel (TR)	Active	Battery Monitor	Multi-Chemistry	-	Over Current, Over Temperature, Over Voltage	I²C	-40°C ~ 85°C (TA)	Surface Mount	8-WFDFN Exposed Pad	8-DFN (3x3)
MAX17205G+00E IC BATT MFUNC 2-3CELL 14TDFN Analog Devices Inc./Maxim Integrated	132	$4.50	ModelGauge™	Tray	Active	Multi-Function Controller	-	2 ~ 3	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)
LTC4040EUFD#TRPBF IC BATT PWR MGMT MULTI 1C 24QFN Analog Devices Inc.	100	$7.70		Tape & Reel (TR)	Active	Power Management	Multi-Chemistry	1	Over Voltage	-	-40°C ~ 125°C (TJ)	Surface Mount	24-WFQFN Exposed Pad	24-QFN (4x5)
MAX38888ATD+T IC BATT MFUNC SUPERCAP 14TDFN Analog Devices Inc./Maxim Integrated	41	$7.57		Tape & Reel (TR)	Active	Multi-Function Controller	Supercapacitor	-	Short Circuit	-	-40°C ~ 125°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)

About Battery Management PMICs

What are Battery Management PMICs?

Battery Management PMICs

Battery Management Power Management Integrated Circuits (PMICs) are specialized semiconductor devices designed to efficiently manage the charging and discharging cycles of batteries. They play a crucial role in ensuring the longevity and safety of battery-powered devices by monitoring battery health, controlling power flow, and protecting against overcharging, deep discharging, and short circuits. These ICs integrate multiple functions such as voltage regulation, current limiting, and thermal management into a single chip, optimizing the performance and efficiency of battery systems.

Types of Battery Management PMICs

Linear Battery Chargers

Linear battery chargers are designed for simplicity and cost-effectiveness, making them ideal for low-power applications. They use a linear regulator to control the charging current, providing a stable and noise-free power supply. However, they are less efficient compared to other types, as excess voltage is dissipated as heat.

Switching Battery Chargers

Switching battery chargers employ a switching regulator to convert input voltage to the desired output voltage, offering higher efficiency and faster charging times. They are suitable for high-power applications and can handle a wide range of input voltages, making them versatile for various battery types and sizes.

Fuel Gauge ICs

Fuel gauge ICs provide accurate measurements of a battery's state of charge (SoC), state of health (SoH), and remaining capacity. They use sophisticated algorithms to predict battery life and performance, ensuring optimal usage and preventing unexpected shutdowns.

Battery Protection ICs

Battery protection ICs safeguard batteries from overcurrent, overvoltage, and thermal runaway conditions. They are essential for maintaining battery safety and reliability, especially in high-risk applications where battery failure could lead to catastrophic outcomes.

How to choose Battery Management PMICs?

When selecting a Battery Management PMIC, consider the following key parameters:

Battery Type Compatibility: Ensure the PMIC supports the specific chemistry of your battery, such as Li-ion, NiMH, or lead-acid.
Charging Current and Voltage: Match the PMIC's charging capabilities with your battery's requirements to optimize performance and safety.
Efficiency: Higher efficiency PMICs reduce energy loss and heat generation, enhancing battery life and device performance.
Protection Features: Look for integrated protection mechanisms like overcharge, over-discharge, and short-circuit protection.
Thermal Management: Consider PMICs with thermal regulation features to prevent overheating in high-power applications.

Evaluate product quality and reliability by reviewing supplier certifications, customer reviews, and industry reputation. Consider environmental factors such as temperature range and humidity, and ensure the PMIC is compatible with your device's installation requirements.

Applications of Battery Management PMICs

Consumer Electronics

In consumer electronics, Battery Management PMICs are used in smartphones, tablets, and laptops to extend battery life, provide fast charging, and ensure user safety. They manage power distribution efficiently, allowing for longer device usage between charges.

Automotive Industry

In electric vehicles (EVs) and hybrid cars, Battery Management PMICs monitor battery packs to optimize performance and extend lifespan. They ensure safe charging and discharging, balance cell voltages, and provide real-time data for vehicle management systems.

Renewable Energy Systems

Battery Management PMICs are crucial in solar and wind energy storage systems, where they manage the charging of large battery banks. They ensure efficient energy conversion and storage, enabling reliable power supply even during low generation periods.

Medical Devices

In medical devices such as portable monitors and implantable devices, Battery Management PMICs ensure reliable power supply and patient safety. They provide accurate battery status information, allowing for timely recharging and maintenance.

Industrial Equipment

Battery Management PMICs in industrial equipment like forklifts and backup power systems ensure uninterrupted operation. They manage large battery arrays, providing protection and monitoring to prevent downtime and equipment failure.