Overview
The TPS62291DRVR is a highly efficient synchronous step-down DC/DC converter produced by Texas Instruments. It is optimized for battery-powered portable applications, such as mobile phones, smartphones, wireless LAN devices, pocket PCs, and portable media players. The device operates with a fixed switching frequency of 2.25 MHz and supports input voltages ranging from 2.3 V to 6.0 V, making it suitable for Li-ion batteries with extended voltage ranges. The TPS62291DRVR provides up to 1000 mA of output current and features a high efficiency of up to 96%.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | WSON (6-pin) |
| Operating Temperature Range | -40°C to 85°C |
| Input Voltage Range | 2.3 V to 6.0 V |
| Output Current (Max) | 1 A (1000 mA) |
| Output Voltage (Fixed) | 3.3 V |
| Switching Frequency | 2.25 MHz |
| Quiescent Current (Typical) | 15 µA |
| Duty Cycle (Max) | 100% |
| Package Dimensions | 2 mm x 2 mm x 0.8 mm |
| RoHS Compliance | Yes |
Key Features
- High Efficiency - up to 96%
- Output Current up to 1000 mA
- Input Voltage Range from 2.3 V to 6.0 V for Li-ion Batteries with Extended Voltage Range
- 2.25-MHz Fixed Frequency Operation
- Power Save Mode at Light Load Currents
- Output Voltage Accuracy in PWM Mode ±1.5%
- Fixed Output Voltage Options
- Typical 15-µA Quiescent Current
- 100% Duty Cycle for Lowest Dropout
- Voltage Positioning at Light Loads
- Synchronous Rectification
- Available in a 2-mm × 2-mm × 0.8-mm WSON (6) Package (DRV)
Applications
- Mobile Phones and Smartphones
- Wireless LAN Devices
- Pocket PCs
- Low Power DSP Supply
- Portable Media Players
- Point-of-Load (POL) Applications
Q & A
- What is the input voltage range of the TPS62291DRVR?
The input voltage range is from 2.3 V to 6.0 V, suitable for Li-ion batteries with extended voltage ranges.
- What is the maximum output current of the TPS62291DRVR?
The maximum output current is 1 A (1000 mA).
- What is the fixed output voltage of the TPS62291DRVR?
The fixed output voltage is 3.3 V.
- What is the switching frequency of the TPS62291DRVR?
The switching frequency is 2.25 MHz.
- Does the TPS62291DRVR have a power save mode?
Yes, it enters power save mode at light load currents to maintain high efficiency.
- What is the typical quiescent current of the TPS62291DRVR?
The typical quiescent current is 15 µA.
- Is the TPS62291DRVR RoHS compliant?
Yes, it is RoHS compliant.
- What is the operating temperature range of the TPS62291DRVR?
The operating temperature range is -40°C to 85°C.
- What package type is the TPS62291DRVR available in?
The device is available in a 6-pin WSON package (DRV).
- Does the TPS62291DRVR support synchronous rectification?
Yes, it supports synchronous rectification.
- What are some typical applications of the TPS62291DRVR?
Typical applications include mobile phones, smartphones, wireless LAN devices, pocket PCs, and portable media players.
