Overview
The TPS62000DGS is a high-efficiency synchronous step-down DC/DC converter produced by Texas Instruments. This device is part of the TPS6200x family, which is ideally suited for systems powered from a 1-cell Li-ion battery or from 2- to 3-cell NiCd, NiMH, or alkaline batteries. The TPS62000 operates over a free-air temperature range of –40°C to 85°C and is available in the 10-pin microsmall outline package (VSSOP).
Key Specifications
| Parameter | Value |
|---|---|
| Package | 10-pin VSSOP (DGS) |
| Operating Temperature Range | –40°C to 85°C |
| Input Voltage Range | 2 V to 5.5 V |
| Output Voltage Range | Adjustable from 0.8 V to VIN, fixed options: 0.9 V, 1 V, 1.2 V, 1.5 V, 1.8 V, 1.9 V, 2.5 V, 3.3 V |
| Output Current | Up to 600 mA |
| Switching Frequency | Typical 750 kHz |
| Quiescent Current | 50 μA (typical) |
| Efficiency | More than 95% |
| Synchronization | Synchronizable to external clock signal up to 1 MHz |
| RoHS Compliance | Yes |
Key Features
- High-efficiency synchronous step-down converter with more than 95% efficiency
- Operating input voltage range from 2 V to 5.5 V
- Adjustable output voltage range from 0.8 V to VIN, with fixed output voltage options available
- Synchronizable to external clock signal up to 1 MHz
- Up to 600 mA output current
- Pin-programmable current limit
- High efficiency over a wide load current range in power save mode
- 100% maximum duty cycle for lowest dropout
- Low-noise operation with antiringing switch and PFM/PWM operation mode
- Internal softstart
- 50-μA quiescent current (typical)
- Evaluation module available
Applications
- Low-power CPUs and DSPs
- Cellular phones
- Systems powered from 1-cell Li-ion batteries or 2- to 3-cell NiCd, NiMH, or alkaline batteries
- Other portable electronic devices requiring high-efficiency power conversion
Q & A
- What is the operating temperature range of the TPS62000DGS?
The TPS62000DGS operates over a free-air temperature range of –40°C to 85°C.
- What is the input voltage range for the TPS62000DGS?
The input voltage range is from 2 V to 5.5 V.
- What are the output voltage options for the TPS62000DGS?
The output voltage is adjustable from 0.8 V to VIN, with fixed options available at 0.9 V, 1 V, 1.2 V, 1.5 V, 1.8 V, 1.9 V, 2.5 V, and 3.3 V.
- What is the maximum output current of the TPS62000DGS?
The maximum output current is up to 600 mA.
- Can the TPS62000DGS be synchronized to an external clock signal?
Yes, the TPS62000DGS can be synchronized to an external clock signal up to 1 MHz.
- What is the typical switching frequency of the TPS62000DGS?
The typical switching frequency is 750 kHz.
- What is the quiescent current of the TPS62000DGS?
The quiescent current is 50 μA (typical).
- Is the TPS62000DGS RoHS compliant?
Yes, the TPS62000DGS is RoHS compliant.
- What are the key efficiency features of the TPS62000DGS?
The device features high efficiency over a wide load current range, with more than 95% efficiency and a power save mode using pulse frequency modulation (PFM).
- Is an evaluation module available for the TPS62000DGS?
Yes, an evaluation module is available for the TPS62000DGS.
