Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 0.7V |
| Voltage - Output (Max) | 6V |
| Current - Output | 1.2A |
| Frequency - Switching | 1.25MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The TPS62040DGQ is a high-efficiency step-down DC-DC converter designed by Texas Instruments. It integrates a synchronous buck regulator, which efficiently converts a higher input voltage to a lower output voltage, making it suitable for battery-powered applications. The device supports input voltages ranging from 2.7V to 10.5V and delivers an output current of up to 1.2A, making it versatile for various consumer electronics.
Key features of the TPS62040DGQ include a high-efficiency operation, low output voltage ripple, and fast transient response, which are critical for maintaining stable operation in sensitive electronics. It also offers a power-saving mode that maximizes efficiency at light loads, ensuring prolonged battery life.
The device incorporates protection features like overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing reliability. It is available in a small MSOP-10 package, which is ideal for space-constrained applications. The TPS62040DGQ is commonly used in portable devices, embedded systems, and any application requiring efficient step-down voltage conversion.
Key features of the TPS62040DGQ include a high-efficiency operation, low output voltage ripple, and fast transient response, which are critical for maintaining stable operation in sensitive electronics. It also offers a power-saving mode that maximizes efficiency at light loads, ensuring prolonged battery life.
The device incorporates protection features like overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing reliability. It is available in a small MSOP-10 package, which is ideal for space-constrained applications. The TPS62040DGQ is commonly used in portable devices, embedded systems, and any application requiring efficient step-down voltage conversion.
Equivalent
The TPS62040DGQ is a step-down converter from Texas Instruments. Equivalent products might include:
1. MAX1724 from Maxim Integrated - A similar step-down converter for low power applications.
2. LT1933 from Analog Devices (formerly Linear Technology) - Offers similar functionality.
3. AP6502 from Diodes Incorporated - Another alternative with comparable specifications.
Ensure to check the detailed specifications and compatibility with your application as features may vary.
1. MAX1724 from Maxim Integrated - A similar step-down converter for low power applications.
2. LT1933 from Analog Devices (formerly Linear Technology) - Offers similar functionality.
3. AP6502 from Diodes Incorporated - Another alternative with comparable specifications.
Ensure to check the detailed specifications and compatibility with your application as features may vary.
Features
The TPS62040DGQ is a highly efficient synchronous step-down DC-DC converter. It offers a wide input voltage range from 2.7V to 10V, making it versatile for various power source applications. The device can deliver an adjustable output voltage from 0.7V to the input voltage, supporting a maximum output current of 1.2A. It operates with high efficiency, typically up to 95%, due to its synchronous rectification and low resistance switches.
The TPS62040DGQ features a fixed switching frequency of 1.25 MHz, which helps reduce output ripple and allows the use of smaller external components. It includes a Power Save Mode to enhance efficiency at light loads, and it automatically transitions to PWM mode at higher loads for optimal performance. The device is equipped with internal soft start, overcurrent protection, and thermal shutdown features to ensure reliability and safety. The small 10-pin MSOP package facilitates compact design. This converter is ideal for battery-powered applications, including portable electronics and low-power systems.
The TPS62040DGQ features a fixed switching frequency of 1.25 MHz, which helps reduce output ripple and allows the use of smaller external components. It includes a Power Save Mode to enhance efficiency at light loads, and it automatically transitions to PWM mode at higher loads for optimal performance. The device is equipped with internal soft start, overcurrent protection, and thermal shutdown features to ensure reliability and safety. The small 10-pin MSOP package facilitates compact design. This converter is ideal for battery-powered applications, including portable electronics and low-power systems.
Pinout
The TPS62040DGQ is a high-efficiency synchronous step-down DC-DC converter from Texas Instruments. It is packaged in a 10-pin MSOP (DGQ) package.
The pin functions are as follows:
1. EN - Enable pin. A high signal enables the device.
2. PG - Power Good indicator. An open-drain output that indicates when the output voltage is in regulation.
3. SW - Switch pin. Connects to the inductor.
4. VIN - Input voltage supply pin.
5. GND - Ground pin.
6. FB - Feedback pin. Connects to the output voltage for regulation.
7. SS - Soft-start control pin. Allows setting of the soft-start time.
8. NC - No Connect. Not internally connected.
9. FREQ - Frequency select pin. Adjusts the switching frequency.
10. VOS - Output voltage sense pin. Used for improved regulation and transient response.
This device is typically used for applications requiring efficient power conversion, such as portable electronics and battery-powered devices.
The pin functions are as follows:
1. EN - Enable pin. A high signal enables the device.
2. PG - Power Good indicator. An open-drain output that indicates when the output voltage is in regulation.
3. SW - Switch pin. Connects to the inductor.
4. VIN - Input voltage supply pin.
5. GND - Ground pin.
6. FB - Feedback pin. Connects to the output voltage for regulation.
7. SS - Soft-start control pin. Allows setting of the soft-start time.
8. NC - No Connect. Not internally connected.
9. FREQ - Frequency select pin. Adjusts the switching frequency.
10. VOS - Output voltage sense pin. Used for improved regulation and transient response.
This device is typically used for applications requiring efficient power conversion, such as portable electronics and battery-powered devices.
Manufacturer
The TPS62040DGQ is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. TI's products are widely used in a variety of applications, including automotive, industrial, consumer electronics, and communications equipment. They are known for their contributions in the development of analog chips and embedded processors, among other technologies.
Application
The TPS62040DGQ is a high-efficiency step-down converter used in various applications such as portable and battery-powered devices, point-of-load power supplies, and communication equipment. It is also utilized in embedded systems, industrial automation, and consumer electronics. Its ability to deliver high efficiency over a wide load range makes it ideal for use in smartphones, tablets, GPS units, and low-power RF systems. Additionally, it can be applied in medical devices and wearables where compact size and low power consumption are crucial. The device's features make it suitable for applications requiring precise voltage regulation and power management in compact, energy-sensitive environments.
Package
The TPS62040DGQ is a step-down converter from Texas Instruments available in the DGQ package, which is a 10-pin VSSOP (Very Small Shrink Outline Package) with a PowerPAD for enhanced thermal performance.
