BQ7693003DBT

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Advanced IC for efficient and safe charging/discharging of lithium-ion cell

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BQ7693003DBT DataSheet

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BQ7693003DBT Details

The BQ7693003DBT is a 6 to 10-Series Cell Li-Ion and Li-Phosphate Battery Monitor from Texas Instruments, designed for reliable battery management in various applications. This device features advanced monitoring capabilities, hardware protection features, and additional functions, making it suitable for battery-powered systems requiring precise control and monitoring.

Key Features

  • AFE Monitoring Features: Pure digital interface, internal ADC measures cell voltage, die temperature, and external thermistor, separate internal ADC measures pack current (coulomb counter), directly supports up to three thermistors (103AT)
  • Hardware Protection Features: Overcurrent in Discharge (OCD), Short Circuit in Discharge (SCD), Overvoltage (OV), Undervoltage (UV), Secondary protector fault detection
  • Additional Features: Integrated battery management functions, precise monitoring and control capabilities

Applications

  • Battery-Powered Systems: Electric vehicles, renewable energy systems, backup power systems, and other applications requiring reliable battery management
  • Industrial Automation: Industrial control systems, manufacturing automation, and other industrial applications where precise monitoring and control are essential

Where to Use

The BQ7693003DBT is suitable for applications that require advanced battery monitoring and management capabilities. It is ideal for systems where precision, reliability, and flexibility are critical.

How to Use

Connect the BQ7693003DBT to your system by wiring the A and B pins to the respective bus lines. Ensure proper power supply connections to VCC and GND. Use the RO, RE, DE, and DI pins to control and monitor data transmission. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the BQ7693003DBT illustrates how to connect the device to a battery-powered system. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable data transmission.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Complementary

The BQ7693003DBT can be complemented by other Texas Instruments battery management ICs, such as the BQ76PL536A, which offers additional features and capabilities for advanced battery monitoring and control.

When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum number of cells supported by the BQ7693003DBT?

A: The BQ7693003DBT supports 6 to 10 series cell configurations. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the BQ7693003DBT be used in industrial automation applications?

A: Yes, the BQ7693003DBT is suitable for industrial automation applications where precise monitoring and control are essential. It offers advanced battery management capabilities and reliable data transmission.

BQ7693003DBT

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of series cells (min) 6 Vin (max) (V) 50
Features Digital output, LDO output, Low-side driver, Overcurrent in discharging protection, Short-current detection Device type Cell monitor and balancer
Number of series cells (max) 10 Operating temperature range (°C) -40 to 85
Rating Catalog Battery overvoltage protection (min) (V) 3.15
Battery overvoltage protection (max) (V) 4.7 Communication interface I2C
Operating current (typ) (µA) 40

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification BQ7693003DBT PDF Download

FAQs

What is BQ7693003DBT?

The BQ7693003DBT is a battery monitor and protector integrated circuit designed by Texas Instruments. It is specifically designed for monitoring and protecting 3-series to 16-series cell battery packs used in a wide range of applications including power tools, e-bikes, energy storage systems, and more.

How Does BQ7693003DBT Work?

The BQ7693003DBT works by monitoring the voltage and temperature of each cell in a battery pack, and it can also balance the cells to ensure even charging and discharging. It provides accurate measurements and protection features to ensure the safety and longevity of the battery pack.

How Many Pins does BQ7693003DBT have and What are the Functions of the Pinout Configuration?

The BQ7693003DBT is housed in a 38-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:

  • IOGND, DGND: Digital and analog ground pins.
  • SDA, SCL: I2C communication interface pins.
  • CELL1P to CELL16P: Positive input pins for each cell in the battery pack.
  • CELL1N to CELL16N: Negative input pins for each cell in the battery pack.
  • VCSP, VCSTP, VCSN, VCSNN: Voltage measurement and reference pins.
  • TEMP1 to TEMP6: Temperature measurement pins.
  • STAT, PWM: Status and control pins.
  • TS1, TS2: Thermistor input pins for external temperature sensors.

What are the Pros and Cons of BQ7693003DBT?

Pros:

  • Battery Monitoring: Monitors individual cell voltages and temperatures for accurate battery management.
  • Cell Balancing: Enables cell balancing to ensure uniform charging and discharging of the battery pack.
  • Integrated Protection: Provides overvoltage, undervoltage, overcurrent, and overtemperature protection for enhanced safety.
  • Programmable Features: Offers programmable features for customization based on application requirements.
  • Reliable Performance: Designed for robust and reliable operation in various battery-powered systems.

Cons:

  • Complex Configuration: Requires proper configuration and understanding of battery management principles for optimal performance.
  • External Components: May need additional components such as MOSFETs and resistors for cell balancing and protection.
  • Data Interface: Users need to be familiar with the I2C communication protocol for interfacing with the device.

Are There Any Equivalents/Alternatives to BQ7693003DBT for Recommendation?

  • The BQ7694000 from Texas Instruments is a similar battery monitor and protector IC with additional features.
  • Alternatives to the BQ7693003DBT include the LTC6804 from Analog Devices and the MAX14921 from Maxim Integrated.

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