Overview
The TPS61041DBVRG4, produced by Texas Instruments, is a high-frequency boost converter designed primarily for small to medium LCD bias supply and white LED backlight applications. This device is part of the TPS6104x family, which includes the TPS61040 and TPS61041 models. It is ideal for generating output voltages up to 28 V from a variety of battery sources, including dual-cell NiMH/NiCd or single-cell Li-Ion batteries. The TPS61041DBVRG4 is notable for its high efficiency, low quiescent current, and compact packaging options, making it suitable for a range of portable electronic devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 1.8 - 6 | V |
| Adjustable Output Voltage Range | Up to 28 | V |
| Internal Switch Current | 250 | mA (TPS61041) |
| Switching Frequency | Up to 1 MHz | |
| No-Load Quiescent Current | 28 μA (typical) | |
| Shutdown Current | 1 μA (typical) | |
| Package Options | SOT23-5, TSOT23-5, 2-mm × 2-mm × 0.8-mm WSON | |
| Operating Temperature Range | -40 to 85 | °C |
| MOSFET On-Resistance (RDS(on)) | 750 - 1250 mΩ (VIN = 2.4 V; ISW = 200 mA) |
Key Features
- High-frequency boost converter with up to 1-MHz switching frequency
- Adjustable output voltage range up to 28 V
- Internal switch current limit of 250 mA for TPS61041
- Low quiescent current of 28 μA (typical) and shutdown current of 1 μA (typical)
- Internal soft start for smooth startup
- Compact packaging options including SOT23-5, TSOT23-5, and 2-mm × 2-mm × 0.8-mm WSON
- Lead-free and RoHS compliant
Applications
- LCD bias supply
- White LED backlight supplies for LCDs
- Digital still cameras
- PDAs, organizers, and handheld PCs
- Cellular phones
- Internet audio players
- Standard 3.3-V or 5-V to 12-V power conversions
Q & A
- What is the input voltage range of the TPS61041DBVRG4?
The input voltage range is from 1.8 V to 6 V.
- What is the maximum output voltage that the TPS61041DBVRG4 can generate?
The device can generate output voltages up to 28 V.
- What is the internal switch current limit for the TPS61041DBVRG4?
The internal switch current limit is 250 mA.
- What is the typical no-load quiescent current of the TPS61041DBVRG4?
The typical no-load quiescent current is 28 μA.
- What are the packaging options available for the TPS61041DBVRG4?
The device is available in SOT23-5, TSOT23-5, and 2-mm × 2-mm × 0.8-mm WSON packages.
- Is the TPS61041DBVRG4 lead-free and RoHS compliant?
- What is the operating temperature range of the TPS61041DBVRG4?
The operating temperature range is from -40°C to 85°C.
- What are some common applications of the TPS61041DBVRG4?
- How does the TPS61041DBVRG4 manage its switching frequency?
The device operates with a switching frequency up to 1 MHz, allowing the use of small external components.
- Does the TPS61041DBVRG4 have an internal soft start feature?
