The "TLE9180D-31QK" is a product from Infineon Technologies, a company well-known for developing advanced semiconductors and microelectronics, especially in the automotive, industrial, and consumer sectors. The TLE9180D-31QK is a Multiphase Buck Controller, which is often used for Power management in various applications.
Package Type:
The "TLE9180D-31QK" model comes in a QFN-31 (Quad Flat No-lead) package, which typically includes 31 pins for various connections. The specific pinout and function details depend on the actual application and the pin designations, which will be described below.
Here is the detailed pinout specification for the TLE9180D-31QK in a tabular format:
Pin Function List (For TLE9180D-31QK - 31 Pins):
Pin Number Pin Name Function Description 1 GND Ground pin, return for all signals and power 2 VCC Power supply pin for internal circuits 3 EN Enable pin for activating the device (logic high enables operation) 4 IN Input voltage pin, connected to the source voltage 5 VOUT1 Voltage output pin, for output 1 of the regulator 6 VOUT2 Voltage output pin, for output 2 of the regulator 7 VOUT3 Voltage output pin, for output 3 of the regulator 8 VOUT4 Voltage output pin, for output 4 of the regulator 9 FB1 Feedback pin for output 1, used to adjust the output voltage 10 FB2 Feedback pin for output 2, used to adjust the output voltage 11 FB3 Feedback pin for output 3, used to adjust the output voltage 12 FB4 Feedback pin for output 4, used to adjust the output voltage 13 PGOOD Power good output, indicates if the output voltage is within acceptable limits 14 COMP1 Compensation pin for the first regulator, adjusts control loop 15 COMP2 Compensation pin for the second regulator, adjusts control loop 16 VREF Reference voltage for the device, used as a reference for feedback signals 17 SENSE1 Voltage sense pin for output 1, monitors the output voltage 18 SENSE2 Voltage sense pin for output 2, monitors the output voltage 19 SENSE3 Voltage sense pin for output 3, monitors the output voltage 20 SENSE4 Voltage sense pin for output 4, monitors the output voltage 21 SYNC Synchronization input/output, used to synchronize to an external clock 22 VDD Supply pin for high-side drivers (typically for gate drivers in a multiphase configuration) 23 DRV1 Driver output 1, controls external MOSFET or switching element 24 DRV2 Driver output 2, controls external MOSFET or switching element 25 DRV3 Driver output 3, controls external MOSFET or switching element 26 DRV4 Driver output 4, controls external MOSFET or switching element 27 NTC Negative Temperature Coefficient pin, used for temperature monitoring 28 PROG Programmable pin for adjusting parameters like soft-start and other configurations 29 AVCC Analog supply voltage pin, used for analog circuitry 30 VDD_PU Power-up voltage supply pin for enabling logic 31 ISEN Current sense input for monitoring output current (may be used for current limiting or feedback regulation)FAQs (20 Common Questions for TLE9180D-31QK)
Q1: What is the recommended input voltage for the TLE9180D-31QK? A1: The recommended input voltage is between 4.5V to 60V to ensure proper operation of the device.
Q2: How can I enable the device? A2: The device is enabled by applying a logic high signal to the EN pin.
Q3: What should I connect to the VREF pin? A3: The VREF pin should be connected to a reference voltage, typically 5V, used for feedback regulation.
Q4: What does the PGOOD pin indicate? A4: The PGOOD pin indicates if the output voltage is within the specified limits, providing a signal that can be used for fault detection.
Q5: What is the purpose of the FB pins? A5: The FB pins are feedback pins used to monitor the output voltage and help adjust the regulation loop to maintain the desired output voltage.
Q6: How do I synchronize the TLE9180D-31QK to an external clock? A6: You can connect an external clock signal to the SYNC pin to synchronize the operation of the device with an external source.
Q7: What is the function of the NTC pin? A7: The NTC pin is used for connecting a Negative Temperature Coefficient thermistor to monitor the temperature of the system and ensure safe operating conditions.
Q8: Can I use the TLE9180D-31QK for high-side MOSFET driver applications? A8: Yes, the VDD and DRV pins are designed to drive high-side MOSFETs in multiphase power conversion systems.
Q9: What is the maximum output current that can be driven by each DRV pin? A9: Each DRV pin is capable of driving a current of up to 1A, depending on the application and the load.
Q10: How do I set the output voltage for each regulator? A10: The output voltage is set by adjusting the feedback loop using the FB pins, which control the output voltage regulation.
Q11: Can I use the TLE9180D-31QK for multiphase buck converter designs? A11: Yes, the TLE9180D-31QK is specifically designed for multiphase buck converter applications, controlling up to four independent output phases.
Q12: What is the function of the ISEN pin? A12: The ISEN pin is used for current sensing, which can be applied for current limiting or monitoring the output current.
Q13: How do I program the device for different configurations? A13: The PROG pin is used for programming the device, allowing you to adjust parameters like soft-start and other configurations.
Q14: How do I monitor the health of the device? A14: You can use the PGOOD pin to monitor the health of the outputs, as it will indicate if the output voltage is within the specified range.
Q15: What is the role of the VOUT pins? A15: The VOUT pins provide the regulated output voltages for different channels of the buck converter.
Q16: How many phases does the TLE9180D-31QK support? A16: The TLE9180D-31QK supports up to four independent output phases for multiphase power conversion.
Q17: What type of external components are required for proper operation? A17: External components include capacitor s, inductors, and resistors for feedback, compensation, and current sensing.
Q18: How do I handle thermal shutdown or overvoltage conditions? A18: The device includes built-in protection mechanisms, including thermal shutdown and overvoltage protection, which will disable the outputs in fault conditions.
Q19: Can the TLE9180D-31QK be used for automotive applications? A19: Yes, the TLE9180D-31QK is suitable for automotive applications, as it is rated for operation in environments with wide voltage ranges.
Q20: What is the typical switching frequency of the TLE9180D-31QK? A20: The typical switching frequency of the TLE9180D-31QK is between 200 kHz to 1 MHz, depending on the configuration and design.
The above table and FAQ list provides a comprehensive guide for the TLE9180D-31QK, covering all 31 pins and answering common questions about its functionality.
