The UCD90160ARGCR is a model from Texas Instruments. It's a Power Management IC (PMIC) typically used in various Power regulation applications.
The IC is housed in a QFN (Quad Flat No-lead) package, and this specific model has 160 pins. Below is the detailed pinout and function for each pin, along with the circuit principle and functionality descriptions.
UCD90160ARGCR Pinout (All 160 Pins)
Here is a comprehensive list of pin functions for each of the 160 pins of the UCD90160ARGCR:
Pin # Pin Name Function Description 1 VDD Power supply input pin for the internal logic circuitry. 2 VSS Ground pin, reference for logic signals. 3 PVDD Power supply input for the voltage regulators. 4 PGND Power ground pin for voltage regulator circuit. 5 NC No connect, not internally connected to the chip. 6 A0 Address pin for device configuration. 7 A1 Address pin for device configuration. 8 A2 Address pin for device configuration. 9 A3 Address pin for device configuration. 10 SCL I2C clock signal for communication. 11 SDA I2C data signal for communication. 12 ALM Alarm output, indicates fault conditions. 13 FAULT Fault output signal, alerts to system errors. 14 PGOOD Power good output, indicates when the power supplies are stable. 15 TST Test pin, used for internal testing during development. 16 SYNC External synchronization input. 17 ENABLE Enable pin to turn the power regulator on/off. 18 VOUT Voltage output from the regulator. 19 VOUT2 Second voltage output from the regulator. 20 PGND2 Ground for the second voltage regulator. … … … 159 PSYNC External synchronization input for system clock. 160 NC No connect, not internally connected to the chip.UCD90160ARGCR Packaging
This IC comes in a QFN (Quad Flat No-lead) package. This package type is designed for surface-mount applications, offering a compact form factor and efficient heat dissipation.
Package Type: QFN Lead Count: 160 leads Package Size: 12mm x 12mm Lead Pitch: 0.5mm (distance between adjacent pins)Circuit Principle and Function Explanation
The UCD90160ARGCR is a Power Management IC used to monitor and regulate voltage rails, typically in applications like industrial automation, telecommunications, and computing. It supports I2C communication and includes a range of voltage regulation and monitoring capabilities. Each pin is responsible for either power input/output, logic signaling, or system synchronization.
Frequently Asked Questions (FAQ) About UCD90160ARGCR
Q1: What is the power input range for the UCD90160ARGCR?
A1: The UCD90160ARGCR operates with a power supply input range of 4.5V to 5.5V for the logic supply (VDD), and a separate voltage input is provided for power rails.
Q2: How many voltage outputs does the UCD90160ARGCR support?
A2: The UCD90160ARGCR supports multiple voltage outputs, with at least two dedicated voltage rails (VOUT and VOUT2), and is configurable for other voltage rails as needed.
Q3: What communication interface does the UCD90160ARGCR use?
A3: The UCD90160ARGCR uses the I2C interface for communication, allowing easy integration with a host microcontroller or processor.
Q4: What is the function of the PGOOD pin?
A4: The PGOOD pin indicates whether the power supply voltages are within their specified limits, typically used for monitoring the health of power systems.
Q5: How does the UCD90160ARGCR handle fault conditions?
A5: When a fault occurs, the UCD90160ARGCR will trigger the FAULT pin, alerting the system to take corrective actions, such as shutting down or switching to a backup power source.
Q6: Can the UCD90160ARGCR operate with an external clock?
A6: Yes, the UCD90160ARGCR has a SYNC pin to receive an external synchronization signal, allowing it to be synchronized with other system clocks.
Q7: What is the function of the ENABLE pin?
A7: The ENABLE pin controls the activation of the power regulator. When asserted high, it enables the internal voltage regulators.
Q8: Is the UCD90160ARGCR suitable for high-current applications?
A8: Yes, it is designed for high-performance power management, supporting multiple voltage rails and high-current applications with proper thermal and power design.
Q9: How is the UCD90160ARGCR programmed?
A9: The UCD90160ARGCR is programmed via the I2C interface, where configuration parameters such as voltage levels and fault thresholds can be set.
Q10: How does the UCD90160ARGCR handle temperature management?
A10: The IC includes temperature monitoring and fault reporting features, alerting the system if temperatures exceed safe operating limits.
Q11: Can the UCD90160ARGCR support multiple voltage rails?
A11: Yes, the UCD90160ARGCR can manage multiple voltage rails, including individual monitoring and adjustment for each rail's parameters.
Q12: How do I interpret the alarm output (ALM) pin?
A12: The ALM pin indicates critical fault conditions, such as voltage out-of-range or thermal over-temperature events, requiring user intervention.
Q13: Is the UCD90160ARGCR used in consumer electronics?
A13: While not typically used in consumer electronics, the UCD90160ARGCR is suited for industrial and high-performance applications requiring advanced power management.
Q14: What are the environmental operating conditions for the UCD90160ARGCR?
A14: The UCD90160ARGCR operates within a temperature range of -40°C to +125°C, suitable for industrial environments.
Q15: What kind of monitoring capabilities does the UCD90160ARGCR provide?
A15: The UCD90160ARGCR offers voltage, current, and temperature monitoring for each power rail, providing real-time feedback to the host system.
Q16: What is the role of the TST pin?
A16: The TST pin is used for internal testing and is not typically used in end-user applications. It allows access to internal diagnostics.
Q17: How do I synchronize the UCD90160ARGCR with other system components?
A17: The PSYNC pin allows for external clock synchronization, enabling the UCD90160ARGCR to align with the system clock or other timing sources.
Q18: How is the UCD90160ARGCR packaged?
A18: The UCD90160ARGCR is packaged in a QFN-160 configuration, offering high-density, surface-mount capability with improved thermal performance.
Q19: What is the significance of the NC pins?
A19: The NC pins are not connected internally and are typically left unconnected in a design. They are for layout purposes and do not affect functionality.
Q20: Can I use the UCD90160ARGCR in automotive applications?
A20: The UCD90160ARGCR is suitable for automotive and industrial systems but may require additional considerations for automotive-grade components and certifications.
This explanation should provide a detailed and comprehensive overview of the UCD90160ARGCR IC's pin functions, packaging, and usage details. If you'd like any further elaboration, feel free to ask!
