Overview
The TPS53014DGSR is a single, adaptive on-time D-CAP2™ mode synchronous buck controller produced by Texas Instruments. This device is designed to provide a cost-effective, low external component count, and low standby current solution for various power bus regulators in end equipment. It operates using the D-CAP2™ mode control, which offers a fast transient response without the need for external compensation components. The controller supports a wide input voltage range of 4.5 V to 28 V and an output voltage range of 0.77 V to 7.0 V, making it versatile for a variety of applications.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Input Voltage Range (VIN) | 4.5 | 28 | V |
| Output Voltage Range | 0.77 | 7.0 | V |
| Switching Frequency | 500 | kHz | |
| Operating Ambient Temperature Range | -40 | 85 | °C |
| Junction Temperature Range | -40 | 150 | °C |
| Duty Cycle (Max) | 83 | % | |
| Package Type | 10-pin VSSOP (DGS) | ||
| Package Size | 3.00 mm × 3.00 mm |
Key Features
- D-CAP2™ mode control with fast transient response and no external parts required for loop compensation.
- Compatible with ceramic output capacitors and low ESR output capacitors.
- High initial reference accuracy (±1%).
- Low-side RDS(on) loss-less current sensing.
- Adjustable soft start and non-sinking pre-biased soft start.
- Auto-Skip Eco-Mode™ for high efficiency at light loads.
- Overcurrent limiting control, overvoltage protection (OVP), undervoltage protection (UVP), undervoltage lockout (UVLO), and thermal shutdown (TSD) protections.
- Adaptive gate drivers with integrated boost PMOS switch.
- Thermally compensated OCP (4000 ppm/°C).
Applications
The TPS53014DGSR is suitable for point-of-load regulation in low-power systems across a wide range of applications, including:
- Digital TV power supply.
- Networking home terminals.
- Digital set-top boxes (STB).
- DVD players/recorders.
- Gaming consoles.
Q & A
- What is the input voltage range of the TPS53014DGSR?
The input voltage range is from 4.5 V to 28 V. - What is the output voltage range of the TPS53014DGSR?
The output voltage range is from 0.77 V to 7.0 V. - What is the switching frequency of the TPS53014DGSR?
The switching frequency is 500 kHz. - What type of package does the TPS53014DGSR come in?
The device is available in a 10-pin VSSOP (DGS) package. - What are the key features of the D-CAP2™ mode control?
The D-CAP2™ mode control offers fast transient response, no external parts required for loop compensation, and compatibility with ceramic output capacitors. - What protections does the TPS53014DGSR include?
The device includes overcurrent limiting control, overvoltage protection (OVP), undervoltage protection (UVP), undervoltage lockout (UVLO), and thermal shutdown (TSD) protections. - How does the soft start function work in the TPS53014DGSR?
The soft start function is adjustable and ensures smooth control of the output voltage during startup. It also includes a non-sinking pre-biased soft start to prevent current from being pulled from the output during startup. - What is the operating ambient temperature range of the TPS53014DGSR?
The operating ambient temperature range is from -40°C to 85°C. - What is the purpose of the Auto-Skip Eco-Mode™ in the TPS53014DGSR?
The Auto-Skip Eco-Mode™ allows the device to maintain high efficiency during light load conditions. - What type of capacitors are recommended for the output in the TPS53014DGSR?
Ceramic output capacitors with X5R dielectric or better are recommended.
