BQ25792RQMR

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BQ25792RQMR

I2C CONTROLLED, 5-A, 1-4 CELL BU

  • Fabricant
  • Mfr. Partie #BQ25792RQMR
  • Paquet QFN-29
  • Fiche de données
  • En stock3916

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 1 ~ 4
Current-Charging Constant - Programmable
ProgrammableFeatures Current, Timer, Voltage
FaultProtection Over Current, Over Voltage, Short Circuit
ChargeCurrent-Max 5A
BatteryPackVoltage 18.8V (Max)
Voltage-Supply(Max) 24V
Interface I²C
OperatingTemperature -40°C ~ 85°C (TJ)
MountingType Surface Mount
Package/Case 29-VFQFN

Vue d'ensemble

Description

The BQ25792RQMR is a highly integrated battery management IC designed by Texas Instruments. It functions as a buck-boost battery charger that supports multiple battery chemistries and configurations. This device is particularly suited for applications that require USB Type-C and USB Power Delivery (USB PD) standards, supporting a wide range of input voltages from 3.5V to 24V, which makes it compatible with various power sources.
One of the standout features of the BQ25792RQMR is its ability to charge batteries with one to four cells in series, offering flexible charging solutions for different battery packs. It includes advanced power path management, which allows for simultaneous charging and system load management. The device can automatically switch between buck and boost modes to maintain optimal charging conditions.
The BQ25792RQMR is notable for its high efficiency and low quiescent current, which helps in extending the battery life. It also includes several safety features, such as over-voltage, over-current, and thermal protection, ensuring reliable and safe operation. The IC is ideal for portable devices, laptops, and other consumer electronics that require efficient battery charging solutions.

Features

The BQ25792RQMR is a highly integrated battery charge management IC designed for single-cell lithium-ion and lithium-polymer batteries. It is optimized for portable applications and features a wide input voltage range from 3.9V to 24V, supporting USB Type-C and USB Power Delivery (PD) systems. The device incorporates a synchronous buck-boost converter, enabling seamless transition between buck, boost, and buck-boost operations to maintain optimal battery charging.
Key features include autonomous power source detection, battery supplement mode, and input current optimization to enhance charging efficiency. It supports I2C communication for configuration and real-time monitoring, allowing precise control over charging parameters. The IC also provides an integrated ADC for battery voltage, current, and temperature measurements.
Safety features are comprehensive, including overvoltage, overcurrent, and thermal protection. The BQ25792RQMR supports JEITA-compliant charging profiles and programmable timers for pre-charge, fast-charge, and termination phases. Its compact package and high current capabilities make it suitable for space-constrained designs. Overall, it offers a versatile and efficient solution for managing battery charging in modern portable electronic devices.

Package

The BQ25792RQMR is a battery management IC from Texas Instruments. It comes in a 2.7mm x 2.5mm, 42-pin WCSP (Wafer Chip-Scale Package) package type.

Pinout

The BQ25792RQMR is a highly-integrated battery charge management IC by Texas Instruments. It comes in a 30-pin VQFN (Very Thin Quad Flat No-Lead) package. The device's primary function is to manage and control the charging of lithium-ion and lithium-polymer batteries through a switch-mode buck-boost charger architecture. This IC supports USB Type-C and USB Power Delivery (PD) charging standards, making it suitable for a wide range of applications, including tablets, ultrabooks, and other portable electronics.
The BQ25792RQMR provides features like autonomous charging, input current optimization, battery temperature monitoring, and power path management, enabling efficient power delivery and battery management. Additionally, it supports a wide input voltage range, enabling compatibility with various power sources. The device is configurable for different charging profiles and protection features, providing flexibility and safety in battery management applications.

Manufacturer

The BQ25792RQMR is manufactured by Texas Instruments. Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and serves a wide range of industries, including automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation in analog and embedded processing technologies.

Application

The BQ25792RQMR is a highly efficient battery charge management IC designed for various applications, including smartphones, tablets, portable medical devices, and other USB-C and USB Power Delivery-powered devices. It supports fast charging, multi-cell battery configurations, and integrates seamlessly into systems requiring high power density, efficient power conversion, and advanced power path management. Its compact design suits space-constrained applications, enhancing battery life and providing adaptable power solutions for modern electronic devices.

Equivalent

The BQ25792RQMR is a buck-boost battery charge controller from Texas Instruments. Equivalent products may include the LTC4020 from Analog Devices, the ISL9238 from Renesas, and the MAX77818 from Maxim Integrated. These devices offer similar functionality in managing battery charging with buck-boost capabilities. However, specific features and performance can vary, so it's essential to review their datasheets to ensure compatibility with your requirements.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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