TPS7A8300RGWR Detailed explanation of pin function specifications and circuit principle instructions

The TPS7A8300RGWR is a high-performance voltage regulator IC manufactured by Texas Instruments. It belongs to their TPS7A83xx family of products, which are ultra-low-noise, high-precision, and high-efficiency linear voltage regulators. The TPS7A8300 is designed to supply Power to sensitive analog systems where noise levels need to be minimized.

Package Type:

Package: QFN (Quad Flat No-lead) with 36 pins. This particular part number corresponds to a 36-pin QFN package, often used for high-performance power devices.

Pin Function Specifications for TPS7A8300RGWR:

The 36-pin package of the TPS7A8300RGWR is organized with the following pin functions:

Pin No. Pin Name Pin Function Description 1 IN+ Positive Input Voltage Pin for the Voltage Regulator. It receives the input supply voltage. 2 IN- Negative Input Voltage Pin for the Voltage Regulator. It connects to ground in a balanced differential input system. 3 OUT+ Positive Output Voltage Pin. Provides the regulated positive output voltage to the load. 4 OUT- Negative Output Voltage Pin. Provides the regulated negative output voltage to the load in a differential output system. 5 PGND Power Ground Pin. The ground connection for power components of the IC. 6 AGND Analog Ground Pin. The ground connection for the analog circuitry of the IC. 7 VOUT_REF Output Voltage Reference Pin. Sets the regulated output voltage based on the external resistor network. 8 EN Enable Pin. Used to enable or disable the regulator. A logic high enables the regulator, while a logic low disables it. 9 NC No Connection Pin. Typically not used for any connection but may be used internally by the IC for various purposes. 10 PG Power Good Output. Indicates whether the output voltage is within regulation limits. 11 FBB Feedback Pin. Used for regulating the output voltage. It is connected to the feedback network to control the output voltage based on a resistor divider. 12 VBIAS Bias Pin. Provides the necessary bias voltage for the internal circuitry of the regulator. 13 VIN Input Voltage Pin. Supplies the input voltage to the regulator, directly powering the internal circuitry. 14 VIN_Cap Input capacitor Pin. Used for external capacitance to smooth input voltage. 15 VOUT_Cap Output Capacitor Pin. Used for external capacitance to smooth the output voltage. 16 C1+ Positive terminal for the external capacitor used for filtering. 17 C1- Negative terminal for the external capacitor used for filtering. 18 C2+ Positive terminal for the external capacitor used for additional filtering or stability. 19 C2- Negative terminal for the external capacitor used for additional filtering or stability. 20 TEMP_SENSE Temperature Sensing Pin. Provides temperature feedback to ensure proper operation within safe limits. 21 ISET Current Setting Pin. Used to set or sense the current limiting thresholds of the regulator. 22 SENSE Voltage Sense Pin. Monitors the output voltage or current for feedback regulation. 23 IN_Cap Input Capacitor Pin. Used to add a capacitor to stabilize and filter the input power supply. 24 OUT_Cap Output Capacitor Pin. Used to add a capacitor to stabilize and filter the output voltage. 25 GND1 Ground Pin 1. Connects to the ground plane of the system. 26 GND2 Ground Pin 2. Another ground connection for the IC, ensuring stable ground paths. 27 FB1 Feedback Pin for Output 1. Provides feedback to regulate the first output voltage. 28 FB2 Feedback Pin for Output 2. Provides feedback to regulate the second output voltage. 29 VOUT1 Output Voltage 1 Pin. Provides the first output regulated voltage. 30 VOUT2 Output Voltage 2 Pin. Provides the second output regulated voltage. 31 PGND1 Power Ground Pin 1. Connects to the power ground plane for Output 1. 32 PGND2 Power Ground Pin 2. Connects to the power ground plane for Output 2. 33 N/C No Connection Pin. 34 N/C No Connection Pin. 35 N/C No Connection Pin. 36 N/C No Connection Pin.

Common FAQ Questions and Answers for TPS7A8300RGWR:

What is the input voltage range for TPS7A8300RGWR? The TPS7A8300RGWR supports an input voltage range of 4.5V to 40V. Can I use the TPS7A8300RGWR for powering analog devices? Yes, TPS7A8300RGWR is designed for ultra-low-noise regulation, making it ideal for powering analog devices. How do I enable the TPS7A8300RGWR? The TPS7A8300RGWR is enabled by applying a logic high to the EN pin. What is the output voltage range of the TPS7A8300RGWR? The output voltage range depends on the reference voltage configuration but typically can range from 1.2V to 18V. What is the maximum output current for TPS7A8300RGWR? TPS7A8300RGWR can supply up to 3A of output current. How does the Power Good pin (PG) work? The PG pin indicates when the output voltage is within regulation limits. A logic high indicates proper regulation. Is the TPS7A8300RGWR protected against overvoltage? Yes, it has built-in overvoltage protection and will shut down if the input voltage exceeds a safe level. Can I use an external capacitor with TPS7A8300RGWR? Yes, you can use external capacitors on the VINCap and VOUTCap pins to improve input and output voltage stability. What is the temperature range of the TPS7A8300RGWR? The operating temperature range is from -40°C to +125°C.

Is there a recommended external component list for the TPS7A8300RGWR?

Yes, refer to the datasheet for specific recommendations on external capacitors and resistors for voltage setting.

How do I set the output voltage of TPS7A8300RGWR?

The output voltage is set by selecting appropriate external resistors connected to the VOUT_REF pin.

Can the TPS7A8300RGWR be used in a system with multiple outputs?

Yes, the device can provide multiple output voltages as required.

Does TPS7A8300RGWR support reverse current protection?

Yes, it includes reverse current protection on the input.

Can TPS7A8300RGWR be used in high-frequency applications?

Yes, the TPS7A8300RGWR is designed for high-frequency, low-noise operation.

What is the typical dropout voltage for TPS7A8300RGWR?

The typical dropout voltage is around 40mV at 3A output current.

How does the TPS7A8300RGWR handle thermal overload?

TPS7A8300RGWR includes thermal shutdown protection to prevent damage due to excessive temperature.

What is the function of the TEMP_SENSE pin?

The TEMP_SENSE pin monitors the internal temperature of the IC to ensure safe operating conditions.

What is the typical quiescent current of the TPS7A8300RGWR?

The quiescent current is typically 25µA when the regulator is enabled.

Can I parallel multiple TPS7A8300RGWR devices for higher output current?

Yes, multiple devices can be used in parallel, but careful load sharing considerations are required.

Where can I find the detailed electrical characteristics of the TPS7A8300RGWR?

The detailed electrical characteristics are available in the datas