Overview
The TPS63000DRCT from Texas Instruments is a high-efficiency buck-boost converter designed to provide a versatile power supply solution for a wide range of battery-powered devices. This converter is suitable for systems powered by one-cell Li-ion or Li-polymer batteries, as well as two-cell or three-cell alkaline, NiCd, or NiMH batteries. It operates over an input voltage range of 1.8 V to 5.5 V and can deliver output currents up to 1200 mA in step-down mode and up to 800 mA in boost mode. The device features automatic transition between step-down and boost modes, ensuring efficient operation across various input voltage conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 1.8 | 5.5 | V | |
| Output Voltage Range | 1.2 | 5.5 | V | |
| Output Current (Step-Down Mode) | 1200 | mA (at 3.3 V, VIN = 3.6 V to 5.5 V) | ||
| Output Current (Boost Mode) | 800 | mA (at 3.3 V, VIN > 2.4 V) | ||
| Efficiency | Up to 96% | % | ||
| Switch Current Limit | 1600 | 1800 | 2000 | mA (VIN = VINA = 3.6 V, TA = 25°C) |
| High-Side Switch ON-Resistance | 100 | mΩ (VIN = VINA = 3.6 V) | ||
| Low-Side Switch ON-Resistance | 100 | mΩ (VIN = VINA = 3.6 V) | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Package | 10-Pin VSON (DRC), 3x3 mm |
Key Features
- Input Voltage Range: 1.8 V to 5.5 V
- Fixed and Adjustable Output Voltage Options from 1.2 V to 5.5 V
- Up to 96% Efficiency
- Automatic Transition Between Step-Down and Boost Mode
- Device Quiescent Current less than 50 μA
- Power-Save Mode for Improved Efficiency at Low Output Power
- Forced Fixed Frequency Operation and Synchronization Possible
- Load Disconnect During Shutdown
- Overtemperature Protection
- Available in a Small 3-mm × 3-mm 10-Pin VSON Package (QFN)
Applications
- Portable Audio Players
- PDAs
- Cellular Phones
- Personal Medical Products
- White LEDs
- Other battery-powered devices requiring efficient power conversion
Q & A
- What is the input voltage range of the TPS63000DRCT? The input voltage range is from 1.8 V to 5.5 V.
- What are the output voltage options for the TPS63000DRCT? The output voltage can be fixed or adjustable, ranging 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 1200 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 800 mA at 3.3 V (VIN > 2.4 V).
- What is the efficiency of the TPS63000DRCT? The efficiency can be up to 96%.
- Does the TPS63000DRCT have overtemperature protection? Yes, it has built-in overtemperature protection.
- How does the power-save mode work? The power-save mode improves efficiency at low output power by stopping the converter operation when the average inductor current is below a certain threshold.
- Can the TPS63000DRCT be synchronized with an external clock? Yes, it can be synchronized using the PS/SYNC pin.
- What is the package type and size of the TPS63000DRCT? It is packaged in a 10-pin VSON (DRC) package measuring 3 mm × 3 mm.
- What is the operating temperature range of the TPS63000DRCT? The operating temperature range is from -40°C to 125°C.
