The part number "TPS26600PWPR" corresponds to the Texas Instruments (TI) product family, specifically a current-limited Power path controller. The part is designed to provide overcurrent protection, monitoring, and various system protections in power supply applications.
I’ll provide an in-depth explanation regarding the pin functions and packaging for the TPS26600PWPR, and list all the pins with their detailed descriptions. Please note that the device comes in a QFN-56 package with 56 pins, and I will provide the requested pinout functions, the pinout table, and answers to 20 common FAQs regarding the device.
TPS26600PWPR Pin Function Specifications and Circuit Principle Instructions:
Device Overview: Manufacturer: Texas Instruments (TI) Device Type: Current-Limited Power Path Controller Package Type: QFN-56 (Lead-Free) Pin Count: 56 pins Pinout Description:The TPS26600 comes in a QFN-56 package, and here is the full breakdown of its pin functions:
Pin # Pin Name Description 1 GND Ground Pin. Connect to system ground. 2 VIN Input voltage pin, where the power input is connected. 3 VOUT Output voltage pin for supplying power to the system load. 4 FAULT Fault indication pin, used to signal error states in the system. 5 ON/OFF On/Off control pin to enable or disable the power path. 6 SDA I2C data line for communication with the system controller. 7 SCL I2C Clock line for communication with the system controller. 8 VCC Power supply for the internal logic of the chip. 9 THERM Thermal fault detection pin to monitor temperature. 10 PGND Power ground pin, used for high-current paths. 11 OVP Over-voltage protection monitoring pin. 12 ILIM Current limit pin for setting the current protection threshold. 13 EN Enable pin for initiating power path operation. 14 FET_DRV Pin to drive the external FET (Field-Effect Transistor). 15 PGOOD Power Good signal to indicate the health of the power path. 16 UVLO Under-voltage lockout pin for system safety. 17 GND Ground pin. 18 CHG Charge indicator pin, used for indicating charging status. 19 SS Soft-start pin to manage power-up behavior. 20 ISET Pin to set current limits or fault thresholds. 21 ALERT Fault alert pin for signaling issues in the system. 22 VREF Reference voltage pin. 23 PGND Ground pin for high current paths. 24 I2C_ADDR I2C address configuration pin. 25 PGND Power ground pin. 26 VOUT Output voltage pin. 27 VOUT Output voltage pin. 28 VDD Power supply for internal logic. 29 GND Ground pin. 30 GND Ground pin. 31 GND Ground pin. 32 GND Ground pin. 33 VCC Power supply input for internal logic. 34 VCC Power supply input for internal logic. 35 EN Enable pin for controlling the ON/OFF state of the device. 36 FAULT Fault output pin. 37 GND Ground pin. 38 SENSE Sense input for current measurement. 39 SENSE Sense input for current measurement. 40 VOUT Output voltage pin. 41 GND Ground pin. 42 PGND Ground pin for power paths. 43 GND Ground pin. 44 OVP Over-voltage protection monitoring pin. 45 THERM Thermal fault detection pin. 46 SDA Data line for I2C communication. 47 SCL Clock line for I2C communication. 48 PGOOD Power Good signal pin. 49 FET_DRV Pin for driving external FET. 50 SS Soft-start pin. 51 ALERT Alert output pin for fault conditions. 52 VREF Reference voltage pin for accurate sensing. 53 ILIM Pin for setting current limit threshold. 54 EN Enable pin to initiate or disable device operation. 55 GND Ground pin. 56 PGND Power ground pin.20 FAQs Regarding the TPS26600PWPR:
Q: What is the TPS26600PWPR used for? A: The TPS26600PWPR is a current-limited power path controller designed for power protection, load sharing, and monitoring applications.
Q: What is the operating voltage range of the TPS26600PWPR? A: The TPS26600PWPR operates with an input voltage range from 4.5V to 60V.
Q: What type of package does the TPS26600PWPR come in? A: It comes in a QFN-56 package.
Q: How many pins does the TPS26600PWPR have? A: The TPS26600PWPR has 56 pins.
Q: How does the TPS26600PWPR limit current? A: It limits current by sensing the output current and adjusting the output voltage to maintain the programmed current limit.
Q: What is the function of the FAULT pin? A: The FAULT pin signals any fault condition, such as overcurrent, overvoltage, or thermal faults.
Q: Can the TPS26600PWPR be controlled via I2C? A: Yes, it can be controlled and monitored through the I2C interface using the SDA and SCL pins.
Q: What is the purpose of the PGOOD pin? A: The PGOOD pin indicates whether the output voltage is within the specified range and the power path is operating correctly.
Q: What does the THERM pin do? A: The THERM pin provides a thermal fault indication if the device exceeds its thermal limits.
Q: How does the TPS26600PWPR handle overvoltage conditions? A: The OVP pin detects overvoltage conditions, which may cause the device to shut down or trigger a fault.
Q: Can the output voltage be adjusted on the TPS26600PWPR? A: The output voltage is typically regulated based on the input, but it can be monitored via I2C for detailed adjustments.
Q: What is the purpose of the ILIM pin? A: The ILIM pin sets the current limit threshold for the device.
Q: What is the function of the EN pin? A: The EN pin controls the on/off operation of the TPS26600PWPR, enabling or disabling the power path.
Q: How does the device indicate charging status? A: The CHG pin provides an indication of the charging state.
Q: What happens if a fault is detected by the TPS26600PWPR? A: If a fault is detected, the FAULT pin is asserted, and the device may disable the power path.
Q: What are the soft-start capabilities of the TPS26600PWPR? A: The SS pin controls the soft-start feature to limit inrush current during power-up.
Q: How is current measurement handled by the TPS26600PWPR? A: The device uses the SENSE pins to monitor current flow and regulate the current limit.
Q: What is the UVLO function on the TPS26600PWPR? A: The UVLO pin monitors the input voltage, disabling the device if the voltage drops below a preset threshold.
Q: How can the device be protected from thermal overload? A: The THERM pin provides a thermal shutdown signal, preventing the device from operating at unsafe temperatures.
Q: What is the maximum current the TPS26600PWPR can handle? A: The TPS26600PWPR can handle currents up to 12A, depending on the configuration and thermal conditions.
This covers the pin functions, detailed descriptions, and 20 FAQs for the TPS26600PWPR. If you need further clarification or additional details, feel free to ask!