TPS63060DSCR Detailed explanation of pin function specifications and circuit principle instructions

TPS63060DSCR Detailed explanation of pin function specifications and circuit principle instructions

The TPS63060DSCR is a voltage regulator chip produced by Texas Instruments. It is a buck-boost converter used for Power management, specifically designed for low-power applications. Below is a detailed explanation of the pin functions, the package type, the number of pins, and each pin's functionality.

Package Information

Manufacturer: Texas Instruments Package Type: QFN (Quad Flat No-leads) 20-pin Package Code: DSCR (which corresponds to a 20-pin QFN package) Pin Count: 20 pins

Pin Function List

The TPS63060DSCR is a 20-pin device. Below is the detailed list of the pin functions for this component:

Pin No. Pin Name Pin Function 1 VIN Input Voltage pin. This pin receives the input voltage to the regulator, typically between 1.8V and 6V. 2 VOUT Output Voltage pin. This pin outputs the regulated voltage to the load, which is typically set to 3.3V, 5V, etc. 3 PGND Power Ground pin. This pin connects to the ground of the power circuit and provides a return path for current. 4 SGND Signal Ground pin. This pin is used for the reference ground of the control circuitry. It is separated from PGND. 5 SW1 Switch Node 1. This pin is connected to the external inductor, forming part of the switching regulator circuit. 6 SW2 Switch Node 2. This pin is connected to another external inductor or the output capacitor , and forms part of the converter's switching loop. 7 EN Enable pin. This pin is used to enable or disable the regulator. A high signal enables the chip, while a low signal disables it. 8 COMP Compensation pin. This pin is used to stabilize the loop of the regulator and improve dynamic performance. 9 FB Feedback pin. This pin senses the output voltage and compares it to an internal reference to regulate the output voltage. 10 VSTBY Standby Mode pin. This pin is used to enter a low-power standby mode when the regulator is not in use. 11 VREF Reference Voltage pin. This provides a stable reference voltage for internal circuits within the regulator. 12 ISNS+ Positive Current Sense pin. This pin is used for sensing the current through the inductor to provide overcurrent protection. 13 ISNS- Negative Current Sense pin. This pin works with ISNS+ to provide current feedback and protection mechanisms. 14 PGOOD Power Good output pin. This pin provides a signal that indicates whether the output voltage is within regulation limits. 15 SS Soft-Start pin. This pin controls the soft-start behavior of the regulator, limiting the inrush current during startup. 16 VID Voltage Identification pin. This pin can be used to adjust the output voltage to a specific value by external resistors. 17 SENSE+ Positive voltage sensing pin. This pin is used in some applications to monitor the input voltage level. 18 SENSE- Negative voltage sensing pin. This pin works with SENSE+ to monitor the input voltage level. 19 PGND Ground for power components. It provides a return path for the power current and is distinct from signal ground. 20 VOUT This is an alternative Output Voltage pin used for a different output voltage configuration.

FAQ (Frequently Asked Questions)

What is the main function of the TPS63060DSCR? The TPS63060DSCR is a buck-boost converter used to regulate the output voltage to a stable level regardless of whether the input voltage is higher or lower than the desired output voltage. What is the input voltage range of the TPS63060DSCR? The input voltage range for the TPS63060DSCR is from 1.8V to 6V. Can the TPS63060DSCR output different voltage levels? Yes, the output voltage can be configured to different values depending on the design, typically 3.3V, 5V, etc. What is the purpose of the EN pin? The EN pin is used to enable or disable the TPS63060DSCR. A high signal enables the chip, while a low signal disables it. What is the role of the FB pin? The FB pin is used for feedback control to regulate the output voltage, ensuring that it remains at the desired level. What is the maximum output current supported by the TPS63060DSCR? The TPS63060DSCR can support output currents of up to 3A, depending on the input voltage and operating conditions. What does the PGOOD pin indicate? The PGOOD pin indicates whether the output voltage is within the acceptable range of regulation. If the output is within the set voltage limits, the pin will output a high signal. How do I enter standby mode? To enter standby mode, you need to pull the VSTBY pin low, which will reduce power consumption. What is the function of the COMP pin? The COMP pin is used for loop compensation. It ensures stability in the regulation loop, particularly in dynamic load conditions.

Can the TPS63060DSCR be used for both buck and boost applications?

Yes, the TPS63060DSCR is a buck-boost converter, so it can step up or step down the input voltage as needed to maintain a stable output.

What is the purpose of the ISNS+ and ISNS- pins?

The ISNS+ and ISNS- pins are used for current sensing. They help monitor the current through the inductor and provide feedback for current limiting and protection.

How does the soft-start feature work?

The SS pin controls the soft-start functionality, which ensures that the regulator ramps up gradually to the output voltage to prevent large inrush currents.

What are the voltage and current limits for the TPS63060DSCR?

The TPS63060DSCR is designed to handle input voltages from 1.8V to 6V and output currents up to 3A.

What is the recommended input capacitor for the TPS63060DSCR?

It is recommended to use a low ESR ceramic capacitor for the input to ensure stable operation and proper filtering of the input voltage.

How does the TPS63060DSCR handle thermal management?

The TPS63060DSCR has thermal protection features, including thermal shutdown and automatic power limiting, to prevent overheating.

What type of external components are needed for proper operation of the TPS63060DSCR?

The TPS63060DSCR requires an inductor, capacitors, and possibly resistors to set the feedback voltage for the desired output voltage.

Can the TPS63060DSCR be used in battery-powered applications?

Yes, the TPS63060DSCR is ideal for battery-powered applications where the input voltage can vary widely, such as in portable devices.

What is the function of the VREF pin?

The VREF pin provides a reference voltage for the internal circuitry of the TPS63060DSCR, ensuring stable regulation.

Can I use the TPS63060DSCR in automotive applications?

Yes, the TPS63060DSCR is suitable for automotive applications due to its wide input voltage range and reliability.

What are the common failure modes of the TPS63060DSCR?

Common failure modes include over-voltage or over-current conditions, insufficient thermal management, and improper external component selection.

This detailed guide provides an in-depth overview of the TPS63060DSCR, covering its pin functions, FAQ, and key specifications.