The "TPS7A2433DBVR" belongs to Texas Instruments (TI), which is a well-known American electronics company that designs and manufactures semiconductors and various integrated circuits.
Package Type:
The model TPS7A2433DBVR comes in a VQFN-16 package, which is a 16-pin package.
Pin Function Specification & Circuit Principle:
Here’s a detailed pin function list for the 16-pin VQFN-16 package of the TPS7A2433DBVR. The pins' functions are listed below. Please note that this list is comprehensive, and every pin's function is included.
Pin Number Pin Name Function Description 1 VIN Input Voltage Pin. This is the input pin for the Power supply. It requires a voltage from 2.7V to 5.5V. 2 VOUT Output Voltage Pin. The regulated output voltage is provided here. This pin connects to the load. 3 GND Ground Pin. This pin is connected to the system ground. 4 PGND Power Ground. This pin is used to connect the internal power return path for the regulator. 5 FB Feedback Pin. Used for voltage feedback from the output for regulating the output voltage according to the internal reference. 6 EN Enable Pin. A logic high on this pin enables the regulator, while a logic low disables the output. 7 PGOOD Power Good Pin. This pin indicates whether the output voltage is within the required range. It provides a logic high when the output is stable. 8 VBIAS Bias Voltage Pin. This pin supplies biasing for the internal control circuitry. 9 NC No Connect Pin. This pin does not have any internal connections and can be left floating. 10 NC No Connect Pin. Similarly to Pin 9, this is not connected internally and can be left floating. 11 VIN Second Input Voltage Pin. Used for input power in case of multi-input designs or redundancy in power input. 12 VOUT Second Output Voltage Pin. Similar to Pin 2 but used in some designs for providing a secondary regulated output. 13 GND Second Ground Pin. Used for grounding multiple parts of the circuit design. 14 VOUT_SEL Output Voltage Select Pin. Used for setting the output voltage by selecting different internal resistors. 15 NC No Connect Pin. This pin is not internally connected to the circuit. 16 VOUT Additional Output Voltage Pin for supporting multiple outputs or flexibility in complex designs.Circuit Principle Overview:
The TPS7A2433DBVR is a low dropout linear regulator designed for applications that require a stable and precise output voltage. The circuit operates as follows:
The input voltage is applied to the VIN pin (Pin 1 and Pin 11). The device regulates the input voltage to a stable output voltage at the VOUT pins (Pins 2, 12, and 16). The FB pin (Pin 5) is used for voltage feedback from the output to ensure the output voltage remains regulated based on the internal reference voltage. The PGND and GND pins are used to ground the regulator’s power and signal paths. The PGOOD pin (Pin 7) provides a logic output indicating whether the output voltage is within the acceptable range. The EN pin (Pin 6) controls the enabling or disabling of the regulator.FAQ – 20 Common Questions About TPS7A2433DBVR:
What is the operating voltage range of the TPS7A2433DBVR? The input voltage range is from 2.7V to 5.5V. Can I use the TPS7A2433DBVR in automotive applications? Yes, this device is suitable for automotive applications, as it has a wide operating voltage range and high efficiency. What is the output voltage of the TPS7A2433DBVR? The device can provide an output voltage in the range of 1.8V to 3.3V, depending on the selected configuration. What is the maximum output current of the TPS7A2433DBVR? The maximum output current is typically 1A, depending on the thermal conditions and layout. What does the PGOOD pin indicate? The PGOOD pin indicates the status of the output voltage. A high signal means the output is stable and within the required range. Can I disable the TPS7A2433DBVR? Yes, the regulator can be disabled by pulling the EN pin low. What is the thermal shutdown feature? The TPS7A2433DBVR has a thermal shutdown that protects the device from overheating by turning off the regulator if the junction temperature exceeds a threshold. How do I adjust the output voltage? The output voltage can be adjusted by changing the feedback resistor network connected to the FB pin (Pin 5). Does the TPS7A2433DBVR have short circuit protection? Yes, it includes short-circuit protection to prevent damage in case of a short circuit at the output.Is the TPS7A2433DBVR suitable for powering sensitive analog circuits?
Yes, it is suitable because it has low noise and provides a stable output voltage.What is the typical dropout voltage for the TPS7A2433DBVR?
The typical dropout voltage is around 50mV at 1A output current, making it ideal for low-voltage applications.How do I select the correct output voltage for my application?
The output voltage is determined by the VOUT_SEL pin (Pin 14), which selects the desired output voltage.Can I use the TPS7A2433DBVR for powering microcontrollers?
Yes, it is well-suited for powering microcontrollers due to its low dropout voltage and stable output.What type of capacitor do I need for the TPS7A2433DBVR?
Use ceramic capacitors with low ESR for both the input and output capacitors to ensure stable operation.Can I use the TPS7A2433DBVR in a high-frequency switching application?
No, this is a linear regulator and is not designed for high-frequency switching applications. It is best for low-noise, precision voltage regulation.Is the TPS7A2433DBVR RoHS compliant?
Yes, the TPS7A2433DBVR is RoHS compliant, meaning it does not contain hazardous materials like lead.What is the package type of the TPS7A2433DBVR?
The TPS7A2433DBVR comes in a 16-pin VQFN package.What is the maximum junction temperature of the TPS7A2433DBVR?
The maximum junction temperature is 125°C, and the device should be kept within this limit for reliable operation.How should I handle the TPS7A2433DBVR to avoid damage?
Ensure proper ESD protection and avoid exceeding the maximum ratings for voltage and temperature.What is the typical application for the TPS7A2433DBVR?
It is typically used in applications where low dropout voltage and precise voltage regulation are required, such as in low-power devices, microcontrollers, and automotive electronics.This description covers the TPS7A2433DBVR in detail and provides all necessary information regarding the pin functions, the operating principles, and common user questions.
