BQ76200PWR Detailed explanation of pin function specifications and circuit principle instructions（132 ）

BQ76200PWR Detailed explanation of pin function specifications and circuit principle instructions（132 ）

The BQ76200PWR is a part of the Texas Instruments (TI) product line. It is typically used in Power management and battery protection circuits, often designed to interface with battery packs for the purpose of battery monitoring, protection, and control.

Below is an in-depth explanation of the pin function specifications, the detailed breakdown of each pin, and common FAQs related to this model:

Package and Pin Details:

The BQ76200PWR comes in a QFN (Quad Flat No-lead) package. The QFN package is often used for applications requiring low-profile, space-saving solutions.

Pin Count:

The BQ76200PWR has 48 pins in total. Below is a comprehensive pinout table that lists all the pins in the QFN package with their specific functions:

Pin Function Table (All 48 Pins)

Pin Number Pin Name Pin Type Pin Function/Description 1 VSTBY Power Supply Power supply for the standby mode. Used to maintain the low-power state of the device when not actively charging or discharging. 2 VSS Ground Ground pin. Provides the reference voltage for the entire device. 3 VCC Power Supply Power supply pin. Provides the operating voltage for the device during normal operation. 4 PGOOD Output Power Good pin. Signals whether the device is operating within specified voltage ranges. 5 ALERT Output Active low alert output pin. Can be used to trigger an alert when certain conditions (overvoltage, undervoltage, overcurrent) occur. 6 BATSENSE Input Battery sense pin. Measures the voltage level of the battery connected to the system. 7 TS1 Input Temperature sensor input pin for monitoring the temperature of the battery pack. 8 TS2 Input Additional temperature sensor input. Used to provide redundancy or measure different parts of the battery pack for better thermal management. 9 CHGDRV Output Charge driver output pin. Used to control external MOSFETs or other devices that regulate charging current to the battery. 10 DSGDRV Output Discharge driver output pin. Controls external MOSFETs to regulate discharge current to the battery. 11 NTC Input Negative temperature coefficient (NTC) thermistor input used to monitor the temperature of the battery pack. 12 PGND Ground Power ground pin. Provides the ground reference for the high-current switching circuits within the device. 13 VSENSE Input Voltage sense input. Monitors the voltage level of the battery pack. 14 NTCREF Reference Reference voltage for the NTC thermistor. Used to compare the thermistor's voltage level to detect temperature changes. 15 PROTECT Output Active low protection output. This pin indicates when the device is in a protection state, preventing further charge or discharge. 16 SD Input System shutdown pin. Used to place the device into shutdown mode for low power consumption. 17 C1+ Input capacitor pin for external filtering to stabilize voltage levels or power. 18 C1- Input Capacitor pin for external filtering. 19 C2+ Input Additional capacitor pin for filtering. 20 C2- Input Additional capacitor pin for filtering. 21 REFOUT Output Reference output voltage for external use. 22 VSTBYOUT Output Standby mode output voltage pin. 23 VSHUTDOWN Output Shutdown voltage output pin. Controls external circuitry when the system is in shutdown mode. 24 FAULT Output Fault output pin. Indicates the presence of a fault condition like overvoltage, undervoltage, or overcurrent. 25 A0 Digital I/O Input/Output for system control or data transfer. Can be used for various communication protocols (like I2C/SPI) depending on the configuration. 26 A1 Digital I/O Digital I/O pin for system control or communication. 27 A2 Digital I/O Digital I/O pin. 28 A3 Digital I/O Digital I/O pin. 29 B0 Digital I/O Digital I/O pin. 30 B1 Digital I/O Digital I/O pin. 31 B2 Digital I/O Digital I/O pin. 32 B3 Digital I/O Digital I/O pin. 33 VDD Power Supply Power supply pin for certain internal circuits. 34 RESET Input Reset pin. Used to reset the device to its default state. 35 SDA Input/Output Data line for I2C communication. 36 SCL Input/Output Clock line for I2C communication. 37 CLKOUT Output Clock output. Can be used to synchronize other devices or as a clock reference for timing-related operations. 38 GND Ground Ground pin. Provides the system ground for the device. 39 B2+ Input Battery 2 positive terminal. Used for sensing the voltage of the second battery in a multi-cell battery configuration. 40 B2- Input Battery 2 negative terminal. 41 B3+ Input Battery 3 positive terminal (if applicable in multi-cell configurations). 42 B3- Input Battery 3 negative terminal. 43 DRVCTL Output Drive control pin. Controls the operation of external drivers for charging/discharging. 44 STATUS Output Indicates the current status of the system (charging, discharging, or idle).