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

267 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
LC709204FXE-01TBG IC FUEL GAUGE LI-ION 1C 12WLCSP onsemi	167	$2.50		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)
BQ34Z100PWR IC BATT MON MULTI-CHEM 14TSSOP Texas Instruments	153	$5.37	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	136	$5.02	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)
BQ28Z610DRZT IC FUEL GAUGE LI-ION 1-2CL 12SON Texas Instruments	91	$5.72	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)
BQ35100PW IC BATT MON MULTI-CHEM 14TSSOP Texas Instruments	144	$4.10		Tube	Active	Battery Monitor	Multi-Chemistry	-	-	I²C	-40°C ~ 85°C (TA)	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
LTC4040EUFD#TRPBF IC BATT PWR MGMT MULTI 1C 24QFN Analog Devices Inc.	61	$7.59		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)
BQ78350DBT-R1 IC BATT MGMT CTRL MULTI 30TSSOP Texas Instruments	54	$6.49		Tube	Not For New Designs	Battery Monitor	Multi-Chemistry	3 ~ 15	Over Current, Over Temperature, Over/Under Voltage	SMBus	-40°C ~ 85°C (TA)	Surface Mount	30-TFSOP (0.173", 4.40mm Width)	30-TSSOP
BQ28Z610DRZR-R1 IC BATT MFUNC LI-ION 1-2CL 12SON Texas Instruments	213	$4.33	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	Surface Mount	12-VFDFN Exposed Pad	12-SON (2.5x4)
BQ27210DRKR IC BATT MON LI-ION 1CELL 10VSON Texas Instruments	99	$7.75	bqJUNIOR™	Tape & Reel (TR)	Active	Battery Monitor	Lithium Ion/Polymer	1	-	I²C	-20°C ~ 70°C (TA)	Surface Mount	10-VFDFN Exposed Pad	10-VSON (3x4)
BQ27742YZFR-G1 IC BATT FUEL GAUGE LI-ION 15-DSB Texas Instruments	185	$2.91		Tape & Reel (TR)	Active	Multi-Function Controller	Lithium Ion	1	Over Current, Over/Under Voltage, Short Circuit	HDQ, I²C	-40°C ~ 85°C (TA)	Surface Mount	15-UFBGA, DSBGA	15-DSBGA
TPS650243RHBT IC BAT PWR MGMT LI-ION 1C 32VQFN Texas Instruments	54	$6.61		Tape & Reel (TR)	Active	Power Management	Lithium Ion/Polymer	1	Over Temperature, Under Voltage	-	-40°C ~ 85°C (TA)	Surface Mount	32-VFQFN Exposed Pad	32-VQFN (5x5)
BQ2018SN-E1 IC BATT MON MULT-CHEM 1-4C 8SOIC Texas Instruments	31	$18.26	Power Minder™	Tube	Active	Battery Monitor	Multi-Chemistry	1 ~ 4	-	HDQ	-20°C ~ 70°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
MC33771BSP1AE IC BAT CNTRL LI-ION 7-14C 64LQFP NXP USA Inc.	14	$29.36	Automotive, AEC-Q100	Tray	Active	Battery Cell Controller	Lithium Ion	7 ~ 14	Over/Under Voltage	SPI	-40°C ~ 105°C (TA)	Surface Mount	64-LQFP Exposed Pad	64-LQFP (10x10)
BQ771823DPJR IC BATT PROT LI-ION 2-5CEL 8WSON Texas Instruments	216	$1.51		Tape & Reel (TR)	Active	Battery Protection	Lithium Ion	2 ~ 5	Over Voltage	-	-40°C ~ 110°C (TA)	Surface Mount	8-WDFN Exposed Pad	8-WSON (3x4)
LTC3337ACBZ-R7 PRIMARY BAT SOH MONITOR & PREC C Analog Devices Inc.	289	$3.10		Tape & Reel (TR)	Active	Battery Monitor	Supercapacitor	1	Over Current	I²C	-40°C ~ 125°C (TJ)	Surface Mount	12-WFQFN Exposed Pad, CSP	12-LFCSP (2x2)
AD7280WBSTZ-RL IC BATT MONITOR SYSTEM LI-ION Analog Devices Inc.	66	$2.76	AD7280	Bulk	Active	Battery Monitor	Lithium Ion	1 ~ 6	Over Temperature, Over/Under Voltage, Short Circuit	SPI	-40°C ~ 105°C (TA)	Surface Mount	48-LQFP	48-LQFP (7x7)
BQ7694003DBT IC BATT MON MULTI 9-15C 44TSSOP Texas Instruments	140	$6.64		Tube	Active	Battery Monitor	Multi-Chemistry	9 ~ 15	Over Current, Over/Under Voltage, Short Circuit	I²C	-40°C ~ 85°C (TA)	Surface Mount	44-TFSOP (0.173", 4.40mm Width)	44-TSSOP
AD8280WASTZ IC BATT MON LI-ION 3-6CEL 48LQFP Analog Devices Inc.	27	$10.08	Automotive	Bulk	Active	Battery Monitor	Lithium Ion	3 ~ 6	Over Temperature, Over/Under Voltage	-	-40°C ~ 105°C (TA)	Surface Mount	48-LQFP	48-LQFP (7x7)
AD7280ABSTZ IC BATT MON LI-ION 1-6CEL 48LQFP Analog Devices Inc.	13	$11.53		Tray	Active	Battery Monitor	Lithium Ion	1 ~ 6	Over/Under Voltage	SPI	-40°C ~ 105°C (TA)	Surface Mount	48-LQFP	48-LQFP (7x7)
MC33772BTC0AE IC BATT CNTRL LI-ION 3-6C 48LQFP NXP USA Inc.	4	$15.98		Tray	Active	Battery Cell Controller	Lithium Ion	3 ~ 6	Over/Under Voltage	SPI	-40°C ~ 125°C (TA)	Surface Mount	48-LQFP Exposed Pad	48-HLQFP (7x7)

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.