仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 52V |
| Frequency-Switching | 35kHz ~ 500kHz |
| DutyCycle(Max) | 95% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The TPS40200DR is a versatile, non-synchronous buck-boost controller from Texas Instruments, designed for use in DC-DC converter applications. It is part of the TPS40200 series, which is known for its flexibility and wide input voltage range, typically from 4.5 V to 52 V. The device is capable of driving external MOSFETs, which makes it suitable for applications requiring high output power and efficiency.
Key features include programmable operating frequency, soft-start capability, overcurrent protection, and thermal shutdown. The controller supports a wide range of output voltages, which can be adjusted via external resistors, making it adaptable to various power supply designs. The TPS40200DR operates in a voltage-mode control scheme, ensuring stability and precise output regulation.
Common applications include industrial and automotive power systems, communications equipment, and consumer electronics. Its small footprint and efficient performance make it a popular choice for engineers designing compact and reliable power solutions.
Key features include programmable operating frequency, soft-start capability, overcurrent protection, and thermal shutdown. The controller supports a wide range of output voltages, which can be adjusted via external resistors, making it adaptable to various power supply designs. The TPS40200DR operates in a voltage-mode control scheme, ensuring stability and precise output regulation.
Common applications include industrial and automotive power systems, communications equipment, and consumer electronics. Its small footprint and efficient performance make it a popular choice for engineers designing compact and reliable power solutions.
Equivalent
The TPS40200DR is a DC-DC controller from Texas Instruments. Equivalent products might include:
1. LM3478 from Texas Instruments
2. MAX1771 from Maxim Integrated (now part of Analog Devices)
3. LT3757 from Analog Devices
4. NCP1250 from ON Semiconductor
These alternatives provide similar functionalities for non-synchronous boost or SEPIC converter applications. It's essential to verify exact specifications and application requirements before selecting a replacement.
1. LM3478 from Texas Instruments
2. MAX1771 from Maxim Integrated (now part of Analog Devices)
3. LT3757 from Analog Devices
4. NCP1250 from ON Semiconductor
These alternatives provide similar functionalities for non-synchronous boost or SEPIC converter applications. It's essential to verify exact specifications and application requirements before selecting a replacement.
Features
The TPS40200DR is a versatile DC-DC buck controller from Texas Instruments. It features a wide input voltage range from 4.5V to 52V, making it suitable for various applications. It supports step-down (buck) conversion, enabling efficient power management for systems requiring lower output voltages from higher input sources. The device is equipped with a voltage-mode controller and operates with a fixed-frequency PWM that enhances performance and reduces noise.
Key features include programmable operating frequency, which can be set between 35kHz and 500kHz, allowing optimization for efficiency or component size. It also offers a programmable soft-start function to control inrush current during startup, and a built-in short-circuit protection mechanism to prevent damage due to overcurrent conditions. The TPS40200DR includes a shutdown pin to reduce current consumption during idle periods and ensures thermal performance with its thermal shutdown feature. This controller is typically used in industrial, automotive, and consumer electronics applications, offering flexibility and reliability in power management solutions.
Key features include programmable operating frequency, which can be set between 35kHz and 500kHz, allowing optimization for efficiency or component size. It also offers a programmable soft-start function to control inrush current during startup, and a built-in short-circuit protection mechanism to prevent damage due to overcurrent conditions. The TPS40200DR includes a shutdown pin to reduce current consumption during idle periods and ensures thermal performance with its thermal shutdown feature. This controller is typically used in industrial, automotive, and consumer electronics applications, offering flexibility and reliability in power management solutions.
Pinout
The TPS40200DR is a DC-DC controller from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin count and functions:
1. Pin 1 (BOOT): Bootstrap pin for the high-side driver.
2. Pin 2 (VDD): Input supply voltage for the internal circuitry.
3. Pin 3 (RT): Timing resistor pin to set the switching frequency.
4. Pin 4 (FB): Feedback pin for output voltage regulation.
5. Pin 5 (COMP): Compensation pin for the error amplifier.
6. Pin 6 (GND): Ground reference.
7. Pin 7 (DRV): Drive output for the external MOSFET gate.
8. Pin 8 (SS/SD): Soft-start and shutdown control pin.
The TPS40200DR is a versatile controller used primarily in non-synchronous boost converter applications, providing flexibility in designing power supply solutions.
1. Pin 1 (BOOT): Bootstrap pin for the high-side driver.
2. Pin 2 (VDD): Input supply voltage for the internal circuitry.
3. Pin 3 (RT): Timing resistor pin to set the switching frequency.
4. Pin 4 (FB): Feedback pin for output voltage regulation.
5. Pin 5 (COMP): Compensation pin for the error amplifier.
6. Pin 6 (GND): Ground reference.
7. Pin 7 (DRV): Drive output for the external MOSFET gate.
8. Pin 8 (SS/SD): Soft-start and shutdown control pin.
The TPS40200DR is a versatile controller used primarily in non-synchronous boost converter applications, providing flexibility in designing power supply solutions.
Manufacturer
The TPS40200DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing analog and embedded processing chips. Headquartered in Dallas, Texas, TI is a leading player in the electronics industry and provides a wide range of products, including microcontrollers, processors, sensors, and power management solutions like the TPS40200DR. TI serves multiple markets, including industrial, automotive, consumer electronics, and communications equipment, focusing on innovation and technology development to meet the needs of these diverse sectors.
Application
The TPS40200DR is a flexible DC-DC controller suitable for a variety of applications. It is commonly used in power supply designs, including step-down (buck), step-up (boost), SEPIC, and flyback converters. Key application areas include industrial power supplies, telecom power systems, battery-powered devices, and automotive electronics. Its wide input voltage range and programmable operating frequency make it ideal for powering microcontrollers, FPGAs, and other digital circuits. Additionally, the TPS40200DR is often employed in LED drivers and portable devices requiring efficient power management. Its robust protection features, such as overcurrent and thermal shutdown, enhance reliability across these applications.
Package
The TPS40200DR is a DC-DC controller from Texas Instruments, packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. The "DR" suffix indicates the specific package variant, which is a plastic, leaded, and surface-mounted type suitable for various power management applications.
