BQ771802DPJR

Imagens apenas para referência

BQ771802DPJR

+Lista de Materiais

IC BATT PROT LI-ION 2-5CEL 8WSON

  • FabricanteTexas Instruments

  • Peça do Fabricante #BQ771802DPJR

  • Pacote WSON8

  • Em Estoque2212

365 Garantia de Qualidade em 1 dia

7*24 Garantia de serviço em 24 horas

90-Garantia de pós-venda em 1 dia

Garantia de Produto Genuíno

Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Battery Protection
BatteryChemistry Lithium Ion
NumberofCells 2 ~ 5
FaultProtection Over Voltage
OperatingTemperature -40°C ~ 110°C (TA)
MountingType Surface Mount
Package/Case 8-WDFN Exposed Pad

Visão Geral

Description

The BQ771802DPJR is a battery protection integrated circuit (IC) designed by Texas Instruments. It is part of the BQ7718 family of overvoltage protection ICs, which are used primarily in lithium-ion battery applications to prevent overcharging—a critical aspect in ensuring battery safety and longevity.
Key features of the BQ771802DPJR include:
1. Overvoltage Protection: It monitors individual cell voltages and triggers a protection mechanism if the voltage exceeds a predetermined threshold, thus preventing overcharging.
2. Low Power Consumption: The IC is designed to consume minimal power, which is beneficial for extending battery life.
3. High Accuracy: It provides accurate voltage detection, ensuring reliable and robust protection for battery systems.
4. Compact Package: Housed in a small DPJ package, it is suitable for space-constrained applications.
5. Ease of Integration: The BQ771802DPJR can be easily integrated into existing battery management systems (BMS) and is commonly used in various portable electronics, power tools, and electric vehicles.
Overall, the BQ771802DPJR is a crucial component for enhancing the safety and efficiency of lithium-ion battery systems.

Equivalent

The BQ771802DPJR is a lithium-ion battery protector IC from Texas Instruments. Equivalent products from other manufacturers may include the S-8254A Series from Seiko Instruments, the R5478 series from Ricoh, and the DW01 series from Ablic. Always ensure compatibility by comparing specifications like overvoltage thresholds, package type, and number of cells supported.

Features

The BQ771802DPJR is a precision overvoltage protection device designed for use in battery management systems. This component provides key features, including:
1. Overvoltage Protection: Monitors battery cell voltage levels and triggers an alert if an overvoltage condition occurs, helping to prevent battery damage.
2. High Accuracy: Provides precise voltage measurement, ensuring reliable protection for battery cells.
3. Low Power Consumption: Designed for efficiency, it consumes minimal power, which is crucial for battery-powered applications.
4. Wide Operating Voltage Range: Supports a broad range of input voltages, making it suitable for various battery types and configurations.
5. Compact Package: Available in a small, industry-standard package (such as WSON), facilitating easy integration into tight spaces within electronic devices.
6. Temperature Range: Operates effectively over a wide temperature range, enhancing its reliability in different environmental conditions.
These features make the BQ771802DPJR an effective solution for enhancing the safety and longevity of battery-operated devices by preventing overvoltage conditions.

Pinout

The BQ771802DPJR is a lithium-ion battery overvoltage protection IC. It typically comes in a 2-mm × 2-mm WSON (DPJ) package with 6 pins. The primary function of this IC is to monitor each cell voltage in a battery pack and provide overvoltage protection to ensure safe operation.
Here's a brief overview of its pin functions:
1. VDD: Power supply pin that connects to the positive terminal of the battery.
2. VSS: Ground pin.
3. VC1: Voltage sense pin for cell 1; used to monitor the voltage of the first cell.
4. VC2: Voltage sense pin for cell 2; used to monitor the voltage of the second cell.
5. OUT: Output pin; typically used to drive an external MOSFET to disconnect the battery in case of overvoltage.
6. TEST: Test pin for factory use; often tied to VSS during normal operation.
This device is commonly used in battery management systems for applications that require stringent voltage monitoring to prevent overcharging.

Manufacturer

The BQ771802DPJR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company known for designing and manufacturing analog and embedded processing chips. TI provides innovative solutions for a wide range of markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company focuses on developing technologies that help advance electronics and make them more efficient and reliable. TI is headquartered in Dallas, Texas, and has a significant presence in the semiconductor industry with a strong emphasis on research and development.

Application

The BQ771802DPJR is a precision overvoltage protection device commonly used in lithium-ion battery management systems. Its primary application areas include:
1. Consumer Electronics: Ensures battery safety in devices like smartphones, tablets, and laptops.
2. Electric Vehicles: Protects battery packs used in electric and hybrid vehicles.
3. Power Tools: Provides overvoltage protection in battery-operated tools.
4. Energy Storage Systems: Used in systems like solar energy storage to enhance battery safety.
5. Medical Devices: Ensures reliable battery performance and safety in portable medical equipment.
Its precise overvoltage detection and compact design make it suitable for various battery-powered applications where safety and efficiency are critical.

Package

The BQ771802DPJR is part of Texas Instruments' BQ7718 series and comes in a WSON (Wettable Flank Small Outline No-lead) package with 8 pins. This compact package type is designed for efficient thermal performance and reliability in battery protection applications.

Produtos relacionados a BQ771802DPJR