Overview
The TPS62163DSGR from Texas Instruments is a high-performance synchronous step-down DC/DC converter, part of the TPS6216x family. This device is optimized for applications requiring high power density and features the advanced DCS-Control™ topology, which combines the benefits of hysteretic, voltage mode, and current mode control. The TPS62163DSGR operates with an input voltage range of 3 V to 17 V and supports up to 1 A of continuous output current. It is available in a compact 8-pin WSON package measuring 2.00 mm x 2.00 mm, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 3 | 17 | V | |
| Output Current | 1 | A | ||
| Output Voltage Range (Adjustable) | 0.9 | 6 | V | |
| Output Voltage (Fixed, TPS62163DSGR) | 5 | 5 | V | |
| Switching Frequency | 2.25 | MHz | ||
| Quiescent Current (Operating) | 17 | 25 | 30 | µA |
| Shutdown Current | 1.5 | 4 | 25 | µA |
| Thermal Shutdown Temperature | 160 | °C | ||
| Package Type | WSON-8 | |||
| Package Size | 2.00 mm x 2.00 mm |
Key Features
- DCS-Control™ Topology: Combines the advantages of hysteretic, voltage mode, and current mode control for excellent DC voltage and load transient regulation.
- Wide Input Voltage Range: Operates from 3 V to 17 V, making it suitable for systems powered by Li-Ion batteries or 12-V intermediate power rails.
- High Switching Frequency: Typically 2.25 MHz, allowing the use of small inductors and providing fast transient response and high output voltage accuracy.
- Adjustable and Fixed Output Voltage Versions: The TPS62163DSGR is a fixed 5V output version, while other models in the family offer adjustable output voltages.
- Seamless Power Save Mode Transition: Maintains high efficiency over the entire load range by seamlessly transitioning into power save mode at light loads.
- Low Quiescent Current: Typically 17 µA in operating mode and less than 2 µA in shutdown mode.
- Power Good Output: Indicates when the output voltage has reached its nominal regulation.
- Short Circuit Protection and Over Temperature Protection: Protects against heavy load and short circuit events, and thermal shutdown to prevent overheating.
- Compact Package: Available in an 8-pin WSON package measuring 2.00 mm x 2.00 mm.
Applications
- Standard 12-V Rail Supplies: Suitable for systems using 12-V power rails.
- POL Supply From Single or Multiple Li-Ion Battery: Ideal for battery-powered systems.
- LDO Replacement: Can replace linear voltage regulators (LDOs) for higher efficiency.
- Embedded Systems: Used in various embedded systems requiring high power density.
- Digital Still Camera, Video: Suitable for portable electronic devices.
- Mobile PCs, Tablet-PCs, Modems: Used in mobile computing and communication devices.
Q & A
- What is the input voltage range of the TPS62163DSGR?
The input voltage range is from 3 V to 17 V.
- What is the maximum output current of the TPS62163DSGR?
The maximum output current is up to 1 A.
- What is the fixed output voltage of the TPS62163DSGR?
The fixed output voltage is 5 V.
- What is the typical switching frequency of the TPS62163DSGR?
The typical switching frequency is 2.25 MHz.
- What is the quiescent current in operating mode?
The quiescent current is typically 17 µA.
- Does the TPS62163DSGR have power good output functionality?
Yes, it has a built-in power good output to indicate when the output voltage has reached its nominal regulation.
- What kind of protection does the TPS62163DSGR offer?
The device offers short circuit protection, over temperature protection, and undervoltage lockout.
- In what package is the TPS62163DSGR available?
The device is available in an 8-pin WSON package measuring 2.00 mm x 2.00 mm.
- Can the TPS62163DSGR be used in battery-powered systems?
Yes, it is suitable for systems powered by Li-Ion batteries or other battery types.
- How does the power save mode work in the TPS62163DSGR?
The device seamlessly transitions into power save mode at light loads to maintain high efficiency, reducing the switching frequency linearly with the load current.
