All Products Battery Management

BQ296112DSGR / ​The BQ296112DSGR is an overvoltage protection IC from Texas Instruments, designed for 2-, 3-, or 4-series Li-Ion battery packs. It independently monitors each cell for overvoltage conditions, triggering a high output after a fixed delay if any cell exceeds the overvoltage threshold. The device offers a regulated output supply capable of delivering up to 2 mA, suitable for powering peripheral circuits. It operates with low supply current, approximately 1 µA when all cell voltages are below the protection threshold, and minimal leakage current per cell input, less than 100 nA. Housed in an 8-pin WSON package (2 mm × 2 mm), the BQ296112DSGR is suitable for applications requiring secondary protection in Li-Ion battery packs, such as portable electronics. ​
BQ296112DSGR

Description: ​The BQ296112DSGR is an overvoltage protection IC from Texas Instruments, designed for 2 ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ27010DRKR / ​The BQ27010DRKR is a battery gas gauge IC from Texas Instruments, designed for single-cell Li-Ion and Li-Pol applications. It monitors battery voltage, current, and temperature to provide accurate state-of-charge and health information. The device communicates via the HDQ one-wire interface and operates over a temperature range of -20°C to 70°C. It is housed in a 10-pin VSON package measuring 3 mm × 4 mm, suitable for portable applications where space is limited. ​
BQ27010DRKR

Description: ​The BQ27010DRKR is a battery gas gauge IC from Texas Instruments, designed for single-c ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ294504DRVR / The BQ294504DRVR is an overvoltage protection IC from Texas Instruments, designed for secondary protection in 2- and 3-series Li-Ion battery packs. It independently monitors each cell for overvoltage conditions, triggering a high output after a fixed delay if any cell exceeds the overvoltage threshold. The overvoltage protection threshold is adjustable between 3.85 V and 4.6 V, with fixed delay options of 4 seconds or 6.5 seconds, and offers high-accuracy protection with a tolerance of ±10 mV. The device operates with low supply current, approximately 1 µA when all cell voltages are below the protection threshold, and minimal leakage current per cell input, less than 100 nA. Housed in a compact 6-pin WSON package (2 mm × 2 mm), the BQ294504DRVR is suitable for applications requiring secondary overvoltage protection in Li-Ion battery packs. ​
BQ294504DRVR

Description: The BQ294504DRVR is an overvoltage protection IC from Texas Instruments, designed for seco ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ29410PWRG4 / ​The BQ29410PWRG4 is a secondary overvoltage protection IC from Texas Instruments, designed for 2-, 3-, or 4-cell series-connected Li-Ion or Li-Polymer battery packs. It features a fixed overvoltage protection threshold of 4.35 V per cell, ensuring precise monitoring and protection. The device incorporates a programmable delay circuit for overvoltage detection, allowing customization of response times to suit specific application requirements. It operates with low power consumption, drawing less than 2 µA when all cell voltages are below the protection threshold, which helps extend battery life. The BQ29410PWRG4 is housed in an 8-pin TSSOP package (PW), suitable for surface-mount applications. ​
BQ29410PWRG4

Description: ​The BQ29410PWRG4 is a secondary overvoltage protection IC from Texas Instruments, desig ...
Package: T&R | MOQ: 2000 | MPQ: 2000

BQ24352DSGR / ​The BQ24352DSGR is an over-voltage and over-current charger front-end protection IC from Texas Instruments, designed to safeguard Li-ion batteries in portable applications. It continuously monitors input and battery voltages, as well as input current, to provide comprehensive protection. In the event of an input over-voltage condition, the IC turns off the internal power FET after a brief blanking period. Similarly, if the battery voltage rises to unsafe levels during charging, the IC disconnects power from the system. It also features over-current protection by turning off the output power if the input current exceeds the threshold for a specified duration. The integrated charging FET allows for regulation of charge voltage and current under host control. Additionally, the IC offers low-dropout (LDO) mode operation, providing a current-limited power supply for the host controller. Housed in a compact 8-pin WSON package (2 mm × 2 mm), the BQ24352DSGR operates over a junction temperature range of -40°C to 125°C, making it suitable for space-constrained and temperature-sensitive applications. ​
BQ24352DSGR

Description: ​The BQ24352DSGR is an over-voltage and over-current charger front-end protection IC fro ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ294582DRVT / ​The BQ294582DRVT is a secondary overvoltage protection IC from Texas Instruments, designed for 2-series and 3-series Li-Ion battery packs. It independently monitors each cell for overvoltage conditions, triggering a high output after a fixed delay if any cell exceeds the predefined threshold. The overvoltage protection threshold is adjustable between 3.85 V and 4.6 V, with delay options of 4 seconds or 6.5 seconds. The device ensures high-accuracy protection with a tolerance of ±10 mV. It operates with a low supply current of approximately 1 µA when all cell voltages are below the protection threshold and features minimal leakage current per cell input, less than 100 nA. Housed in a compact 6-pin WSON package (2 mm × 2 mm), the BQ294582DRVT is suitable for applications such as tablets, slates, power tools, notebook computers, and portable equipment requiring secondary protection in Li-Ion battery packs. ​
BQ294582DRVT

Description: ​The BQ294582DRVT is a secondary overvoltage protection IC from Texas Instruments, desig ...
Package: T&R | MOQ: 250 | MPQ: 250

BQ27320YZFR / ​The BQ27320YZFR is a single-cell battery fuel gauge IC from Texas Instruments, utilizing Compensated End-of-Discharge Voltage (CEDV) technology to accurately estimate battery parameters such as remaining capacity, state-of-charge, runtime-to-empty, voltage, temperature, and state-of-health. It supports battery capacities ranging from 100 mAh to 14,500 mAh and accommodates up to four separate battery profiles for pack swapping. The device features an I²C interface for communication and operates over an ambient temperature range of -40°C to 85°C. It is housed in a compact 15-pin NanoFree™ (DSBGA) package measuring 1.375 mm × 2.75 mm with a 0.5 mm pitch, making it suitable for space-constrained applications. ​
BQ27320YZFR

Description: ​The BQ27320YZFR is a single-cell battery fuel gauge IC from Texas Instruments, utilizin ...
Package: T&R | MOQ: 3000 | MPQ: 3000

EMB1428QSQX/NOPB / ​The EMB1428QSQX/NOPB is a switch matrix gate driver IC from Texas Instruments, specifically designed to facilitate active cell balancing in multi-cell lithium-ion battery management systems. Operating with a maximum stack voltage of 60 V, it provides 12 floating gate drivers capable of balancing up to seven series-connected battery cells; additional ICs can be stacked to manage more cells. The device interfaces with the EMB1499 DC/DC controller via an SPI bus, enabling charge and discharge commands as well as fault reporting. It also features a low-power sleep mode to enhance efficiency. Qualified under AEC-Q100 Grade 1, the EMB1428QSQX/NOPB is suitable for automotive applications, with an operating junction temperature range of -40°C to +125°C. ​
EMB1428QSQX/NOPB

Description: ​The EMB1428QSQX/NOPB is a switch matrix gate driver IC from Texas Instruments, specific ...
Package: T&R | MOQ: 2500 | MPQ: 2500

BQ294582DRVR / ​The BQ294582DRVR is an overvoltage protection IC from Texas Instruments, designed for 2-series and 3-series Li-Ion battery packs. It independently monitors each cell for overvoltage conditions, triggering an output after a fixed delay if any cell exceeds the overvoltage threshold. The device offers a fixed overvoltage protection threshold adjustable between 3.85 V and 4.6 V, with delay options of 4 seconds or 6.5 seconds. It ensures high-accuracy overvoltage protection with a tolerance of ±10 mV. The BQ294582DRVR operates with a low supply current of approximately 1 µA when all cell voltages are below the protection threshold and features minimal leakage current per cell input, less than 100 nA. Housed in a compact 6-pin WSON package (2 mm × 2 mm), it is suitable for applications requiring secondary protection in Li-Ion battery packs, such as tablets, slates, power tools, notebook computers, and portable equipment. ​
BQ294582DRVR

Description: ​The BQ294582DRVR is an overvoltage protection IC from Texas Instruments, designed for 2 ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ27210DRKR / The BQ27210DRKR is a battery gas gauge integrated circuit (IC) from Texas Instruments, designed for single-cell Li-Ion and Li-Polymer batteries in portable applications. It operates with a supply voltage between 2.6 V and 4.5 V, featuring low active current consumption of 52 to 90 µA and sleep current of 1.0 to 2.5 µA, enhancing battery life. The IC communicates via an I²C interface and is housed in a compact 10-pin VSON package measuring 3 mm × 4 mm, suitable for space-constrained designs.
BQ27210DRKR

Description: The BQ27210DRKR is a battery gas gauge integrated circuit (IC) from Texas Instruments, des ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ27530YZFR-G1 / ​The BQ27530YZFR-G1 is a system-side fuel gauge IC from Texas Instruments, designed for single-cell Li-Ion and Li-Polymer batteries. It employs Impedance Track™ technology to accurately estimate battery parameters such as remaining capacity (mAh), state-of-charge (%), runtime-to-empty (minutes), battery voltage (mV), temperature (°C), and state-of-health (%). Operating with a supply voltage between 2.8 V and 4.5 V, it typically consumes a current of 118 µA. The device communicates via an I²C interface and supports battery capacities ranging from 300 mAh to 8000 mAh. It operates within an ambient temperature range of -40°C to 85°C and is packaged in a compact 15-pin DSBGA measuring 1.75 mm × 2.75 mm with a 0.5 mm pitch, making it suitable for space-constrained applications. ​
BQ27530YZFR-G1

Description: ​The BQ27530YZFR-G1 is a system-side fuel gauge IC from Texas Instruments, designed for ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ29716DSER / ​The BQ29716DSER is a battery protection integrated circuit (IC) from Texas Instruments, tailored for single-cell Li-Ion and Li-Polymer batteries. It offers comprehensive protection features, including overcurrent, overvoltage, undervoltage, and short-circuit safeguards, ensuring the safety and longevity of battery packs. The IC operates with a supply voltage ranging from 1.5 V to 8 V and features battery overvoltage protection thresholds between 3.85 V and 4.6 V. Its typical operating current is approximately 4 µA, contributing to extended battery life. Designed for reliability, the BQ29716DSER functions optimally within an ambient temperature range of -40°C to 85°C. It comes in a compact 6-pin WSON package (1.5 mm × 1.5 mm) with a 0.5 mm pitch, suitable for space-constrained applications. ​
BQ29716DSER

Description: ​The BQ29716DSER is a battery protection integrated circuit (IC) from Texas Instruments, ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ27505YZGR-J4 / ​The BQ27505-J4 is a system-side fuel gauge designed for single-cell Li-Ion battery applications. It utilizes Texas Instruments Impedance Track™ technology to accurately predict battery runtime and state-of-charge by modeling the batterys discharge curve. This device provides precise measurements of remaining capacity (mAh), state-of-charge (%), runtime to empty (minutes), battery voltage (mV), temperature (°C), and state of health (%). It features a 400-kHz I²C interface for seamless communication with the systems microcontroller. The BQ27505-J4 operates within an ambient temperature range of -40°C to 85°C and is housed in a compact 12-pin NanoFree™ (CSP) package measuring 2.43 mm × 1.96 mm with a 0.5 mm lead pitch, making it suitable for space-constrained applications. ​
BQ27505YZGR-J4

Description: ​The BQ27505-J4 is a system-side fuel gauge designed for single-cell Li-Ion battery appl ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ296111DSGR / ​The BQ296111DSGR is a high-accuracy, low-power overvoltage protector designed for 2-series to 4-series Li-ion battery packs. It individually monitors each cell for overvoltage conditions, initiating an internal fixed-delay timer upon detection. If the overvoltage persists beyond the timer's delay (selectable between 3 to 6.5 seconds), the device triggers an active-high output to signal the overvoltage event. It offers regulated supply output options of 3.3 V, 2.5 V, or 1.8 V, delivering up to 2 mA of output current to power peripheral circuits like real-time clocks. The BQ296111DSGR features low operating current consumption of approximately 4 µA when all cell voltages are below the overvoltage protection threshold, and even lower consumption around 1.2 µA when the regulated output is disabled. Additionally, it ensures minimal leakage current per cell input, less than 100 nA. Encased in a compact 8-pin WSON package (2 mm × 2 mm), it is suitable for applications including notebook PCs, ultrabooks, medical devices, and UPS battery backups. ​
BQ296111DSGR

Description: ​The BQ296111DSGR is a high-accuracy, low-power overvoltage protector designed for 2-ser ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ27411DRZR-G1C / ​The BQ27411DRZR-G1C is a fuel gauge integrated circuit (IC) from Texas Instruments, specifically designed for single-cell lithium-ion (Li-Ion) battery packs. It operates over a supply voltage range of 2.45 V to 4.5 V, making it suitable for various battery-powered applications. The device utilizes Impedance Track™ technology to provide accurate state-of-charge (SOC) calculations by measuring real-time impedance, delivering precise information on remaining battery capacity, SOC percentage, and battery voltage. It features a 400-kHz I²C serial interface for seamless communication with microcontrollers. An internal temperature sensor is present, though it can be bypassed if the host system provides temperature data. The BQ27411DRZR-G1C is housed in a compact 12-pin, 2.5 mm × 4.0 mm, Small Outline No-Lead (SON) package, making it ideal for space-constrained applications requiring efficient battery management. ​
BQ27411DRZR-G1C

Description: ​The BQ27411DRZR-G1C is a fuel gauge integrated circuit (IC) from Texas Instruments, spe ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ24382DSGR / ​The BQ24382DSGR is an overvoltage and overcurrent protection integrated circuit (IC) from Texas Instruments, designed to safeguard lithium-ion (Li-ion) batteries in charging applications. It operates with a supply voltage up to 30 V, making it suitable for various input sources. The device maintains a 5.5-V output (for the bq24380 variant) or a 5-V output (for the bq24381 and bq24382 variants) by regulating input voltages up to the overvoltage threshold. If the input voltage exceeds this threshold, the internal pass FET disconnects the charging circuit to prevent damage. Additionally, the BQ24382DSGR offers protection against battery overvoltage conditions, output short circuits, and thermal shutdown, ensuring safe and reliable battery charging operations. ​
BQ24382DSGR

Description: ​The BQ24382DSGR is an overvoltage and overcurrent protection integrated circuit (IC) fr ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ29442DRBR / ​The BQ29442DRBR is a secondary overvoltage protection IC from Texas Instruments, designed for 2- to 4-series cell lithium-ion (Li-Ion) battery packs. It operates with a supply voltage range between 4 V and 25 V, making it suitable for various battery configurations. The device features high-accuracy overvoltage detection with thresholds selectable among 4.30 V, 4.35 V, 4.40 V, 4.45 V, and 4.50 V per cell, with a precision of ±25 mV at temperatures between 0°C and 60°C. Upon detecting an overvoltage condition, the BQ29442DRBR initiates a delay timer determined by an external capacitor connected to the CD pin. Once the timer expires, the OUT pin transitions from low to high, signaling the overvoltage event. An optional latch function is available, holding the OUT pin high indefinitely until the CD pin is shorted to ground, providing flexibility based on application requirements. The device is housed in a compact 8-pin SON (3x3) package, suitable for surface-mount applications. ​
BQ29442DRBR

Description: ​The BQ29442DRBR is a secondary overvoltage protection IC from Texas Instruments, design ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ27425YZFR-G2B / ​The BQ27425YZFR-G2B is a fuel gauge integrated circuit (IC) from Texas Instruments, specifically designed for single-cell lithium-ion (Li-Ion) batteries. It operates over a supply voltage range of 2.8 V to 4.5 V, making it suitable for various battery-powered applications. Utilizing Impedance Track™ technology, the IC provides accurate state-of-charge (SOC) calculations by measuring real-time impedance, delivering precise information on remaining battery capacity, SOC percentage, and battery voltage. The device features a 400-kHz I²C serial interface for seamless communication with microcontrollers. It also includes programmable SOC interrupts and a battery low warning output to enhance system reliability. An internal temperature sensor is present, though it can be bypassed if the host system provides temperature data. Packaged in a compact 15-pin, 2.69 mm × 1.75 mm, 0.5-mm pitch chip-scale package (DSBGA), the BQ27425YZFR-G2B is ideal for space-constrained applications requiring efficient battery management. ​
BQ27425YZFR-G2B

Description: ​The BQ27425YZFR-G2B is a fuel gauge integrated circuit (IC) from Texas Instruments, spe ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ25173DSGR / ​The BQ25173DSGR is an integrated 800-mA linear charger designed for 1- to 4-cell supercapacitor applications. It operates with an input voltage range of 3.0 V to 18 V, accommodating various power sources. The device features a single power output for charging the supercapacitor, and the system load can be connected in parallel, allowing the charge current to be shared between the system and the supercapacitor. An internal control loop monitors the junction temperature and reduces the charge current if the internal temperature exceeds a certain threshold, enabling fast charging of a fully discharged supercapacitor. The BQ25173DSGR is suitable for space-limited applications such as portable medical equipment and dashboard cameras. ​
BQ25173DSGR

Description: ​The BQ25173DSGR is an integrated 800-mA linear charger designed for 1- to 4-cell superc ...
Package: T&R | MOQ: 3000 | MPQ: 3000

BQ29419PWR / The BQ29419PWR is a dedicated overvoltage protection IC designed to enhance the safety of lithium-ion and lithium-polymer battery packs. It offers reliable overvoltage detection for 2- to 4-cell configurations, preventing battery damage and improving safety. With a low power consumption design, fast response time, and high accuracy, this IC ensures robust performance without requiring additional components. Its compact TSOT-6 package makes it an ideal choice for space-constrained applications such as laptops, power tools, and other rechargeable battery-powered devices.
BQ29419PWR

Description: The BQ29419PWR is a dedicated overvoltage protection IC designed to enhance the safety of ...
Package: T&R | MOQ: 2000 | MPQ: 2000

MC33771CTA1AE / ​The MC33771CTA1AE is a battery cell controller IC from NXP Semiconductors, designed for automotive and industrial applications such as hybrid electric vehicles (HEV), electric vehicles (EV), energy storage systems (ESS), and uninterruptible power supplies (UPS). This IC manages 7 to 14 lithium-ion cells and operates over a supply voltage range of 9.6 V to 61.6 V, withstanding transients up to 75 V.​
MC33771CTA1AE

Description: ​The MC33771CTA1AE is a battery cell controller IC from NXP Semiconductors, designed for ...
Package: TRAY | MOQ: 320 | MPQ: 160













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