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TPS40056PWP
+BOMIC REG CTRLR BUCK 16HTSSOP
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ManufacturerTexas Instruments
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Mfr. Part #TPS40056PWP
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Datasheet TPS40056PWP DataSheet
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In Stock3633
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Specifications
| Attribute | Value |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 40V |
| Frequency - Switching | 100kHz ~ 1MHz |
| Duty Cycle (Max) | 90% |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 16-HTSSOP |
| Base Product Number | TPS40056 |
Overview
Description
The TPS40056PWP is a high-performance, step-down (buck) DC-DC converter from Texas Instruments. It is designed to deliver efficient power conversion for a variety of applications, including telecommunications, industrial, and automotive systems. The device features a wide input voltage range from 4.5V to 17V and can output adjustable voltages down to 0.8V, making it versatile for different load requirements.
Key features include a peak efficiency of up to 95%, integrated power MOSFETs, and a synchronous architecture that reduces the need for external components. It also incorporates advanced protection features such as over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation.
The TPS40056PWP supports a frequency range of up to 1 MHz, allowing for smaller external components and a compact design. Its Power Good (PG) output provides system-level status, and it can be easily implemented in both standalone and digitally-controlled applications. Overall, it is an ideal choice for designers seeking a robust and efficient power solution.
Key features include a peak efficiency of up to 95%, integrated power MOSFETs, and a synchronous architecture that reduces the need for external components. It also incorporates advanced protection features such as over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation.
The TPS40056PWP supports a frequency range of up to 1 MHz, allowing for smaller external components and a compact design. Its Power Good (PG) output provides system-level status, and it can be easily implemented in both standalone and digitally-controlled applications. Overall, it is an ideal choice for designers seeking a robust and efficient power solution.
Equivalent
Equivalent products to the TPS40056PWP chip include the LM2675, LM2585, and LM2576 series from Texas Instruments. Additionally, you may consider the LTC3780 from Analog Devices and the MIC4426 from Microchip as alternatives. Ensure to check specifications like input/output voltage, current ratings, and features to confirm compatibility with your application.
Features
The TPS40056PWP is a high-performance step-down (buck) voltage regulator from Texas Instruments. Key features include:
1. Input Voltage Range: Operates with an input voltage range of 4.5V to 17V, suitable for various applications.
2. Output Voltage: Adjustable output voltage from 0.8V to 5.5V, allowing flexibility in design.
3. Efficiency: High efficiency up to 95%, enhancing thermal performance and reducing power losses.
4. Current Capability: Capable of delivering up to 3A output current, making it suitable for medium to high power applications.
5. Integrated MOSFETs: Includes integrated high-side and low-side MOSFETs, reducing component count and PCB area.
6. Compensation: Features internal compensation, simplifying design and improving stability.
7. Soft Start: Integrated soft-start function to limit inrush current during startup.
8. Thermal Protection: Includes thermal shutdown and current limit features for enhanced reliability.
These attributes make the TPS40056PWP ideal for applications such as industrial automation, telecom, and consumer electronics.
1. Input Voltage Range: Operates with an input voltage range of 4.5V to 17V, suitable for various applications.
2. Output Voltage: Adjustable output voltage from 0.8V to 5.5V, allowing flexibility in design.
3. Efficiency: High efficiency up to 95%, enhancing thermal performance and reducing power losses.
4. Current Capability: Capable of delivering up to 3A output current, making it suitable for medium to high power applications.
5. Integrated MOSFETs: Includes integrated high-side and low-side MOSFETs, reducing component count and PCB area.
6. Compensation: Features internal compensation, simplifying design and improving stability.
7. Soft Start: Integrated soft-start function to limit inrush current during startup.
8. Thermal Protection: Includes thermal shutdown and current limit features for enhanced reliability.
These attributes make the TPS40056PWP ideal for applications such as industrial automation, telecom, and consumer electronics.
Pinout
The TPS40056PWP is a voltage mode controller designed for DC-DC converters, featuring a 16-pin TSSOP (Thin Shrink Small Outline Package) package.
Pin Count: 16
Key Functions:
1. VIN (Pin 1): Input voltage; connects to the input power supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node for connecting to the inductor.
4. COMP (Pin 4): Compensation network connection for stability.
5. CSN (Pin 5): Current sense negative input.
6. CSP (Pin 6): Current sense positive input.
7. RAMP (Pin 7): Ramp compensation for voltage control loop.
8. VREG (Pin 8): Internal regulator output.
9. VFB (Pin 9): Feedback voltage input for regulation.
10. SS (Pin 10): Soft-start pin for controlling startup time.
11. RT (Pin 11): Timing resistor for frequency setting.
12. PHASE (Pin 12): Defines the switching node reference.
13. PGND (Pin 13): Power ground return.
14. RCS (Pin 14): Resistor for current sense configuration.
15. EN (Pin 15): Enable pin for turning the device on/off.
16. SYNC (Pin 16): Synchronization input for multiple converters.
This IC is suitable for various applications requiring efficient power management.
Pin Count: 16
Key Functions:
1. VIN (Pin 1): Input voltage; connects to the input power supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node for connecting to the inductor.
4. COMP (Pin 4): Compensation network connection for stability.
5. CSN (Pin 5): Current sense negative input.
6. CSP (Pin 6): Current sense positive input.
7. RAMP (Pin 7): Ramp compensation for voltage control loop.
8. VREG (Pin 8): Internal regulator output.
9. VFB (Pin 9): Feedback voltage input for regulation.
10. SS (Pin 10): Soft-start pin for controlling startup time.
11. RT (Pin 11): Timing resistor for frequency setting.
12. PHASE (Pin 12): Defines the switching node reference.
13. PGND (Pin 13): Power ground return.
14. RCS (Pin 14): Resistor for current sense configuration.
15. EN (Pin 15): Enable pin for turning the device on/off.
16. SYNC (Pin 16): Synchronization input for multiple converters.
This IC is suitable for various applications requiring efficient power management.
Manufacturer
The TPS40056PWP is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in the design and production of a wide range of electronic components, including analog chips, embedded processors, and digital signal processors (DSPs). Founded in 1930 and headquartered in Dallas, Texas, TI serves various industries such as automotive, industrial, communications, and consumer electronics. The company is known for its innovation in semiconductor technology and has a strong reputation for providing reliable, high-performance products. The TPS40056PWP itself is a step-down (buck) regulator designed to efficiently convert higher input voltages to lower output voltages, making it suitable for a variety of power management applications.
Application
The TPS40056PWP is a high-efficiency step-down DC-DC converter primarily used in applications requiring power management and voltage regulation. Key application areas include telecommunications equipment, industrial automation systems, and digital signal processing devices. It is suitable for powering microcontrollers, FPGAs, and other logic devices, as well as for use in automotive electronics. Additionally, it serves in battery-powered devices, providing efficient power conversion to extend battery life. Its ability to handle wide input voltage ranges makes it versatile for various electronic designs.
Package
The TPS40056PWP is packaged in a 28-pin HTQFP (Thin Quad Flat Package) with a pitch of 0.5 mm. This surface-mount package is designed for efficient thermal performance and space-saving on PCBs.
