BQ29440DRBT Integrated Circuits (ICs)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The Texas Instruments BQ29440DRBT Lithium Battery Pack Manager is a highly integrated, feature-rich battery pack protection IC solution for lithium-ion and lithium-polymer battery packs. The integrated devices protect the battery from potential overcharging, over discharging, short circuit, reversed current flow, and the failed cell detection. The wide range of features and common-mode protection make this IC the ideal choice for a new or existing Lithium Battery Pack.

The BQ29440DRBT has four main functions.
Integrated Over-Voltage Protection (OVP)
The integrated OVP function monitors the battery voltage and will maintain the safe operating range of the battery. When the voltage on one or more cells exceeds the programmed threshold, the device will shut off the batteries from the source. This ensures that the user is always operating within the safe voltage range.
Integrated Under-Voltage Protection (UVP)
The integrated UVP function monitors the battery voltage and will maintain the safe operating range of the battery. When the voltage on one or more cells falls below the programmed threshold, the device will shut off the batteries from the source. This ensures that the user is always operating within the safe voltage range and protects the battery from over discharging.

The BQ29440DRBT also includes an integrated reverse current protection (RCP) feature which monitors the battery pack for directionality and prevents current flow in the wrong direction. The device will shut off the batteries in the event of an incorrect current flow or reversed polarity connection.

Integrated Short Circuit Protection (SCP)
The integrated short circuit protection function monitors the battery pack for short circuits and will shut off the batteries as a safety measure. This feature is especially useful in safety-critical applications where a short circuit could have dangerous or catastrophic results.

Integrated Failed Cell Detection (FCD)
The integrated failed cell detection feature monitors the battery pack for failed cells and will shut off the batteries as a safety measure. This feature is especially useful in applications where a failed cell could have dangerous or catastrophic results.

The BQ29440DRBT is typically used either in Lithium ion or Lithium Polymer battery protection applications. The application field covers a wide range of low to mid power products such as uninterruptible power supplies, power tools, toys, remote control devices, and consumer electronics. The device is also well-suited for automotive and industrial applications that require robust battery management features.

The BQ29440DRBT Lithium Battery Pack Manager is difficult to beat when it comes to size, features, and performance. The device\'s small package size and highly integrated features make it ideal for applications needing a small, feature-rich battery protection solution. The device\'s wide operating temperature range and integrated protection features make it ideal for a variety of safety-critical applications. The device\'s common-mode protection also ensures that users are always operating within the safe voltage range.

The working principle of the BQ29440DRBT is based on an integrated voltage supervisor and limiters. The voltage supervisor monitors the voltage of the battery pack and will shut off the batteries when the programmed threshold is exceeded. The integrated limiters provide an additional level of protection by limiting the current flow in the event of a short circuit or reversed polarity connection. The failed cell detection feature will also shut off the batteries as a safety measure when a cell fails.

The BQ29440DRBT is an excellent solution for a variety of applications requiring a reliable battery management solution. The device\'s highly integrated protection features and common-mode protection make it the ideal choice for safety-critical applications. The device\'s small size, excellent performance, and wide operating temperature range make it the perfect fit for a variety of low to mid power products.

The specific data is subject to PDF, and the above content is for reference