TPS62130ARGTR Detailed explanation of pin function specifications and circuit principle instructions
The model "TPS62130ARGTR" is from Texas Instruments. This specific part is a Buck Converter IC, which is used to provide efficient Power conversion, typically in applications requiring a stable low-voltage output from a higher voltage source.
The "TPS62130ARGTR" comes in a QFN (Quad Flat No-lead) package. Based on the standard pinout, it typically features a 16-pin configuration.
I will provide detailed information in a structured table format as requested. Let's break it down into sections.
Pin Function and Description
Below is a description of each pin function for the 16-pin QFN package of the TPS62130ARGTR.
Pin # Pin Name Pin Type Description 1 IN Input The input voltage pin. The device is powered from this input voltage. It is typically connected to the power source (e.g., 2.3V to 6V). 2 GND Ground The ground pin. Connect to the system ground to complete the electrical circuit. 3 PGND Ground Power ground pin. Connect this to the ground of the power stage (output side). 4 VOUT Output The output voltage pin. Connect this pin to the load to provide the regulated output voltage. 5 FB Feedback The feedback pin is used to sense the output voltage to maintain regulation. Connect to a voltage divider to set the output voltage. 6 EN Input Enable pin. A logic high (typically >1.5V) enables the IC; a logic low (typically <0.5V) disables it. 7 VOS Output Output voltage sense pin used for providing feedback on the output. 8 NC No Connect No internal connection on this pin. Typically left unconnected in the circuit. 9 SW Switching Switch node pin. Connect to the external inductor for the power conversion process. 10 PVIN Input Power supply input pin. This is typically connected to the voltage source. 11 COMP Control Compensation pin used to stabilize the feedback loop in the converter circuit. 12 PGOOD Output Power good indicator pin. It outputs a logic high when the output voltage is within a predefined range. 13 LX Switching Inductor connection pin for the switching regulator. Connect to the external inductor for energy transfer. 14 SS Control Soft-start pin. Used to control the rate at which the output voltage ramps up to its final value. 15 VBIAS Input Bias voltage input pin. This pin powers the internal circuitry of the IC. Typically, a separate low-voltage source is used. 16 SENSE Input Sensing pin for current limit. Used to detect output overcurrent conditions.Common FAQs for TPS62130ARGTR
1. What is the operating input voltage range for TPS62130ARGTR? The operating input voltage range for the TPS62130ARGTR is 2.3V to 6V. 2. Can the TPS62130ARGTR be used in 5V systems? Yes, it can be used in 5V systems as long as the input voltage is within the supported range (2.3V to 6V). 3. What is the output voltage range of the TPS62130ARGTR? The output voltage is adjustable, and you can set it via an external feedback resistor divider. The output voltage range is typically from 0.8V to 5V. 4. How do I enable the TPS62130ARGTR? The IC is enabled by applying a logic high (>1.5V) to the EN (enable) pin. Applying a logic low (<0.5V) will disable the IC. 5. **What should I connect to the *FB* pin?** The FB pin should be connected to a voltage divider that senses the output voltage, allowing the IC to regulate the voltage. 6. **What happens if the *PGOOD* pin is high?** If the PGOOD pin is high, it indicates that the output voltage is within the acceptable range, and the power supply is functioning correctly. 7. Can I use the TPS62130ARGTR without an inductor? No, the inductor is necessary for the switching regulator to operate correctly. It is connected to the SW and LX pins. 8. **What is the purpose of the *COMP* pin?** The COMP pin is used to provide compensation to the feedback loop of the regulator. Proper compensation is necessary to ensure stability. 9. What is the recommended external component for the soft-start (SS) pin? A capacitor (typically 0.1µF to 1µF) should be connected to the SS pin to control the rate at which the output voltage rises during startup. 10. **What should I connect to the *VBIAS* pin?** The VBIAS pin should be connected to a low-voltage power supply (e.g., 3.3V or 5V) to power the internal logic of the IC. 11. How do I handle overcurrent conditions with the TPS62130ARGTR? The SENSE pin detects output overcurrent conditions. If the current exceeds the set limit, the IC will reduce the output or shut down depending on the configuration. 12. What is the maximum output current of the TPS62130ARGTR? The maximum output current is typically 3A, depending on thermal and layout conditions. 13. Can I use the TPS62130ARGTR for battery-powered applications? Yes, the TPS62130ARGTR is suitable for battery-powered applications, as it operates from a wide input voltage range (2.3V to 6V) and provides efficient power conversion. 14. **What should I do if the *PGOOD* pin is low?** If the PGOOD pin is low, it indicates that the output voltage is out of the acceptable range or the converter is not functioning correctly. Check the output voltage and power source. 15. Can the TPS62130ARGTR work with a 12V input? The TPS62130ARGTR cannot directly support a 12V input since its input voltage range is from 2.3V to 6V. You would need a voltage regulator or another solution to step down the voltage to within the acceptable range. 16. What is the typical efficiency of the TPS62130ARGTR? The typical efficiency is up to 95%, depending on the input and output voltage, and load conditions. 17. How can I protect the TPS62130ARGTR from overvoltage? Overvoltage protection can be achieved by using external components like Zener diodes or voltage clamping circuits on the input and output pins. 18. Is the TPS62130ARGTR compatible with a 3.3V output? Yes, the TPS62130ARGTR can be configured for a 3.3V output using the appropriate feedback resistors. 19. How do I minimize noise in the output? Minimize noise by using appropriate output capacitors (typically low ESR) and proper PCB layout practices, including keeping the switching node (SW) away from sensitive analog components. 20. What is the thermal shutdown threshold of the TPS62130ARGTR? The thermal shutdown threshold is typically around 150°C. The IC will shut down to protect itself if the junction temperature exceeds this value.Let me know if you need more details!
