BQ79600PWRQ1 Detailed explanation of pin function specifications and circuit principle instructions
The model "BQ79600PWRQ1" is part of Texas Instruments' BQ79600 series, which is specifically designed for battery management systems (BMS). The "PWRQ1" part refers to a specific package type and quality grade of this component.
Here is the detailed information you requested regarding the BQ79600PWRQ1:
BQ79600PWRQ1 Pinout Description and Pin Function Specifications
The BQ79600PWRQ1 is housed in a 100-pin package, specifically designed for high-performance battery management systems. Below is a detailed description of the pinout and the function of each of its pins.
Pin Number Pin Name Pin Function Description 1 VSTBY Standby Voltage Input. Provides the standby voltage to the device. Typically connected to the system's standby power supply. 2 VDD Supply Voltage Input. Supplies the core voltage for the device operation. 3 DGND Digital Ground. Connects to the system ground for the digital section of the device. 4 AGND Analog Ground. Connects to the system ground for the analog section. 5 VOUT Output Voltage Pin. Provides the output voltage corresponding to the battery management system's monitored cells. 6 VIN Voltage Input. Measures the battery pack voltage. Used for voltage sensing. 7 VS1 Cell Voltage Input 1. Connected to the battery cell's voltage sense line for monitoring cell voltage. 8 VS2 Cell Voltage Input 2. Connected to the battery cell's voltage sense line for monitoring cell voltage. 9 VS3 Cell Voltage Input 3. Connected to the battery cell's voltage sense line for monitoring cell voltage. 10 VS4 Cell Voltage Input 4. Connected to the battery cell's voltage sense line for monitoring cell voltage. 11 CS1 Cell Sense 1. Used for the detection of the state of charge of the battery pack. 12 CS2 Cell Sense 2. Used for the detection of the state of charge of the battery pack. 13 CS3 Cell Sense 3. Used for the detection of the state of charge of the battery pack. 14 CS4 Cell Sense 4. Used for the detection of the state of charge of the battery pack. 15 TS1 Temperature Sense 1. Measures the temperature of the battery pack for thermal management. 16 TS2 Temperature Sense 2. Measures the temperature of the battery pack for thermal management. 17 TS3 Temperature Sense 3. Measures the temperature of the battery pack for thermal management. 18 TS4 Temperature Sense 4. Measures the temperature of the battery pack for thermal management. 19 ALERT Alert Signal Output. Provides a digital signal to indicate an alert status, such as an overvoltage or undervoltage condition. 20 RESET Reset Pin. Initiates a reset sequence for the device. Can be used to restore normal operation. 21 SCL I2C Clock Line. Communicates clock signals for the I2C Communication protocol. 22 SDA I2C Data Line. Communicates data for the I2C communication protocol. 23 COMM Communication Pin. Handles communication between the device and other system components. 24 NC No Connection Pin. Reserved for future functionality or not connected to the system. 25 VCP Charge Pump Input. Used to drive an external charge pump for certain operations. 26 B1 Battery Cell 1 Voltage Sense. Monitors the voltage of the first battery cell. 27 B2 Battery Cell 2 Voltage Sense. Monitors the voltage of the second battery cell. 28 B3 Battery Cell 3 Voltage Sense. Monitors the voltage of the third battery cell. 29 B4 Battery Cell 4 Voltage Sense. Monitors the voltage of the fourth battery cell. 30 B5 Battery Cell 5 Voltage Sense. Monitors the voltage of the fifth battery cell. 31 B6 Battery Cell 6 Voltage Sense. Monitors the voltage of the sixth battery cell. 32 B7 Battery Cell 7 Voltage Sense. Monitors the voltage of the seventh battery cell. 33 B8 Battery Cell 8 Voltage Sense. Monitors the voltage of the eighth battery cell. 34 B9 Battery Cell 9 Voltage Sense. Monitors the voltage of the ninth battery cell. 35 B10 Battery Cell 10 Voltage Sense. Monitors the voltage of the tenth battery cell. 36 B11 Battery Cell 11 Voltage Sense. Monitors the voltage of the eleventh battery cell. 37 B12 Battery Cell 12 Voltage Sense. Monitors the voltage of the twelfth battery cell. 38 B13 Battery Cell 13 Voltage Sense. Monitors the voltage of the thirteenth battery cell. 39 B14 Battery Cell 14 Voltage Sense. Monitors the voltage of the fourteenth battery cell. 40 B15 Battery Cell 15 Voltage Sense. Monitors the voltage of the fifteenth battery cell. 41-100 B16-B100 Similar Battery Cell Voltage Sense Pins. These pins continue for monitoring up to 100 battery cells in a pack.20 Frequently Asked Questions (FAQ) for BQ79600PWRQ1
Q: What is the operating voltage range of BQ79600PWRQ1? A: The operating voltage range for the BQ79600PWRQ1 is 3.0V to 28V.
Q: How do I connect the VSTBY pin? A: The VSTBY pin should be connected to the standby power supply, typically ranging from 3.0V to 5.5V.
Q: What does the ALERT pin signify? A: The ALERT pin indicates an error or alert condition in the system, such as overvoltage, undervoltage, or thermal issues.
Q: Can the BQ79600PWRQ1 manage up to 100 battery cells? A: Yes, it is designed to monitor up to 100 series-connected battery cells.
Q: What is the function of the TS pins? A: The TS pins (TS1, TS2, TS3, TS4) are used for connecting temperature sensors to monitor the battery pack's temperature.
Q: How is communication handled with the BQ79600PWRQ1? A: Communication is managed through I2C, using the SCL (clock) and SDA (data) pins.
Q: What should I do if the RESET pin is activated? A: Activating the RESET pin will reset the device to restore normal operation.
Q: Can I use the BQ79600PWRQ1 with a 12-cell battery pack? A: Yes, the BQ79600PWRQ1 supports battery packs with up to 100 cells, so 12 cells are well within its capabilities.
Q: What is the VCP pin used for? A: The VCP pin is used to power an external charge pump if required for the operation of the device.
Q: What happens if the AGND pin is not properly connected? A: If AGND is not properly connected, the analog circuitry of the device may malfunction, causing inaccurate readings or complete failure of the system.
Q: How do I monitor multiple battery cells with the BQ79600PWRQ1? A: The device has multiple VS (Voltage Sense) pins (VS1, VS2, etc.) to monitor the voltage of each battery cell.
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