Overview
The TPS63030DSKR from Texas Instruments is a high-efficiency single inductor buck-boost converter designed to provide a versatile power supply solution. This device is capable of operating in both step-down and boost modes, making it suitable for a wide range of applications, including those powered by batteries such as alkaline, NiCd, NiMH, or Li-ion/Li-polymer cells. The converter features a fixed-frequency pulse width modulation (PWM) controller with synchronous rectification, ensuring high efficiency across various load conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 1.8 V to 5.5 V |
| Output Voltage Range | Fixed and adjustable from 1.2 V to 5.5 V |
| Output Current (Step-Down Mode) | Up to 800 mA at 3.3 V (VIN = 3.6 V to 5.5 V) |
| Output Current (Boost Mode) | Up to 500 mA at 3.3 V (VIN > 2.4 V) |
| Efficiency | Up to 96% |
| Quiescent Current | |
| Operating Temperature Range | –40°C to 85°C |
| Package | 10-pin VSON (2.5-mm × 2.5-mm) |
Key Features
- Automatic transition between step-down and boost mode
- High efficiency up to 96% due to synchronous rectification
- Power-save mode for improved efficiency at low-output power
- Forced fixed frequency operation and synchronization possible
- Load disconnect during shutdown to minimize battery drain
- Overtemperature protection for reliability
- Programmable output voltage using an external resistor divider or fixed internally
Applications
The TPS63030DSKR is suitable for a variety of applications, including:
- Portable electronics powered by single-cell or multi-cell batteries (alkaline, NiCd, NiMH, Li-ion/Li-polymer)
- Wireless devices and sensors requiring efficient power conversion
- LED drivers and lighting systems
- Low-power industrial and medical devices
Q & A
- What is the input voltage range of the TPS63030DSKR?
The input voltage range is from 1.8 V to 5.5 V.
- What are the output voltage options for the TPS63030DSKR?
The output voltage can be fixed or adjustable from 1.2 V to 5.5 V.
- What is the maximum output current in step-down mode?
The maximum output current in step-down mode is up to 800 mA at 3.3 V (VIN = 3.6 V to 5.5 V).
- What is the maximum output current in boost mode?
The maximum output current in boost mode is up to 500 mA at 3.3 V (VIN > 2.4 V).
- What is the efficiency of the TPS63030DSKR?
The efficiency can be up to 96%.
- What is the quiescent current of the device?
The quiescent current is less than 50 µA.
- What is the operating temperature range of the TPS63030DSKR?
The operating temperature range is from –40°C to 85°C.
- How is the output voltage programmed?
The output voltage can be programmed using an external resistor divider or fixed internally.
- Does the TPS63030DSKR have overtemperature protection?
Yes, the device includes overtemperature protection.
- What package type is the TPS63030DSKR available in?
The device is available in a 10-pin VSON package measuring 2.5-mm × 2.5-mm.
