BQ7694003DBT
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Texas Instruments BQ7694003DBT

Manufacturer No:
BQ7694003DBT
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC BATT MON MULTI 9-15C 44TSSOP
Delivery:
Payment:
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Product Introduction

Overview

The BQ7694003DBT is a sophisticated battery management integrated circuit (IC) designed and manufactured by Texas Instruments. This component is part of the BQ769x0 family, which is tailored for monitoring and managing lithium-ion (Li-Ion) and lithium iron phosphate (Li-FePO4) battery packs. The BQ7694003DBT is particularly suited for applications requiring the monitoring of 9 to 15 series-connected cells, making it an ideal choice for various battery-powered systems.

Key Specifications

SpecificationDetails
ManufacturerTexas Instruments
Part NumberBQ7694003DBT
CategoryIntegrated Circuits (ICs) - PMIC - Battery Management
Package44-TFSOP (0.173", 4.40mm Width)
FunctionBattery Monitor
Battery ChemistryMulti-Chemistry (Li-Ion, Li-FePO4)
Number of Cells9 ~ 15
Fault ProtectionOver Current, Over/Under Voltage, Short Circuit
InterfaceI2C
Operating Temperature-40°C ~ 85°C (TA)
Supply Voltage6...25V DC

Key Features

  • AFE Monitoring Features: Includes a pure digital interface and internal ADCs to measure cell voltage, die temperature, and external thermistor. It also measures pack current via a coulomb counter and supports up to three thermistors.
  • Hardware Protection Features: Offers overcurrent in discharge (OCD), short circuit in discharge (SCD), overvoltage (OV), undervoltage (UV), and secondary protector fault detection.
  • Integrated Cell Balancing FETs: Includes charge and discharge low-side NCH FET drivers and an alert interrupt to the host microcontroller.
  • Voltage Regulator: Features a 2.5-V or 3.3-V output voltage regulator.
  • No EEPROM Programming Necessary: Settings are preconfigured and stored in EEPROM, eliminating the need for additional programming.

Applications

The BQ7694003DBT is designed for use in a variety of battery-powered systems, including but not limited to:

  • Electric Vehicles (EVs): For monitoring and managing high-voltage battery packs in electric vehicles.
  • Energy Storage Systems (ESS): Suitable for battery management in grid-scale energy storage applications.
  • Industrial Power Tools: Ideal for managing battery packs in high-performance power tools.
  • Renewable Energy Systems: Can be used in solar and wind power systems to manage battery storage.

Q & A

  1. What is the BQ7694003DBT used for? The BQ7694003DBT is a battery management IC used for monitoring and managing lithium-ion and lithium iron phosphate battery packs.
  2. How many cells can the BQ7694003DBT monitor? It can monitor 9 to 15 series-connected cells.
  3. What type of interface does the BQ7694003DBT use? The BQ7694003DBT uses an I2C interface for communication with the host controller.
  4. What are the operating temperature ranges for the BQ7694003DBT? The operating temperature range is -40°C to 85°C.
  5. Does the BQ7694003DBT require EEPROM programming? No, the settings are preconfigured and stored in EEPROM, so no additional programming is necessary.
  6. What types of fault protection does the BQ7694003DBT offer? It offers overcurrent, over/under voltage, and short circuit protection.
  7. What is the package type of the BQ7694003DBT? The package type is 44-TFSOP (0.173", 4.40mm Width).
  8. Can the BQ7694003DBT support multiple thermistors? Yes, it can support up to three thermistors.
  9. What is the supply voltage range for the BQ7694003DBT? The supply voltage range is 6...25V DC.
  10. Does the BQ7694003DBT have integrated cell balancing FETs? Yes, it includes integrated cell balancing FETs and charge/discharge low-side NCH FET drivers.

Product Attributes

Function:Battery Monitor
Battery Chemistry:Multi-Chemistry
Number of Cells:9 ~ 15
Fault Protection:Over Current, Over/Under Voltage, Short Circuit
Interface:I²C
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:44-TFSOP (0.173", 4.40mm Width)
Supplier Device Package:44-TSSOP
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Similar Products

Part Number BQ7694003DBT BQ7694006DBT BQ7694003DBTR BQ7693003DBT BQ7694000DBT BQ7694001DBT BQ7694002DBT
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active
Function Battery Monitor Battery Monitor Battery Monitor Battery Monitor Battery Monitor Battery Monitor Battery Monitor
Battery Chemistry Multi-Chemistry Multi-Chemistry Multi-Chemistry Multi-Chemistry Multi-Chemistry Multi-Chemistry Multi-Chemistry
Number of Cells 9 ~ 15 9 ~ 15 9 ~ 15 6 ~ 10 9 ~ 15 9 ~ 15 9 ~ 15
Fault Protection Over Current, Over/Under Voltage, Short Circuit Over Current, Over/Under Voltage, Short Circuit Over Current, Over/Under Voltage, Short Circuit Over Current, Over/Under Voltage, Short Circuit Over Current, Over/Under Voltage, Short Circuit Over Current, Over/Under Voltage, Short Circuit Over Current, Over/Under Voltage, Short Circuit
Interface I²C I²C I²C I²C I²C I²C I²C
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 44-TFSOP (0.173", 4.40mm Width) 44-TFSOP (0.173", 4.40mm Width) 44-TFSOP (0.173", 4.40mm Width) 30-TFSOP (0.173", 4.40mm Width) 44-TFSOP (0.173", 4.40mm Width) 44-TFSOP (0.173", 4.40mm Width) 44-TFSOP (0.173", 4.40mm Width)
Supplier Device Package 44-TSSOP 44-TSSOP 44-TSSOP 30-TSSOP 44-TSSOP 44-TSSOP 44-TSSOP

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