Overview
The TPS62050DGS is a high-efficiency synchronous step-down DC-DC converter produced by Texas Instruments. This device is part of the TPS6205x family, which is ideally suited for systems powered from a 1- or 2-cell Li-Ion battery or from a 3- to 5-cell NiCd, NiMH, or alkaline battery. The converter features integrated N- and P-channel power MOSFET switches, enabling synchronous rectification that increases efficiency and reduces the external component count. It operates over a wide input voltage range of 2.7 V to 10 V and can provide an adjustable output voltage from 0.7 V to 6 V, with fixed output voltage options available at 1.5 V, 1.8 V, and 3.3 V.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 10-Pin Micro-Small Outline Package (MSOP) |
| Operating Input Voltage Range | 2.7 V to 10 V |
| Adjustable Output Voltage Range | 0.7 V to 6 V |
| Fixed Output Voltage Options | 1.5 V, 1.8 V, 3.3 V |
| Maximum Output Current | 800 mA |
| Quiescent Current (Typical) | 12 µA |
| Operating Frequency (Typical) | 850 kHz |
| Synchronization Range | 600 kHz to 1.2 MHz |
| Maximum Duty Cycle | 100% |
| Operating Temperature Range | -40°C to 85°C |
| Efficiency | Up to 95% |
Key Features
- High-efficiency synchronous step-down converter with up to 95% efficiency.
- Low quiescent current of 12 µA (typical).
- Adjustable output voltage range from 0.7 V to 6 V, with fixed output voltage options available.
- Synchronizable to an external clock signal in the range of 600 kHz to 1.2 MHz.
- High-efficiency over a wide load current range in power-save mode.
- 100% maximum duty cycle for lowest dropout.
- Low-noise operation in forced fixed-frequency PWM operation mode.
- Internal softstart and overtemperature and overcurrent protection.
Applications
The TPS62050DGS is suitable for various battery-powered systems, including those powered by 1- or 2-cell Li-Ion batteries or 3- to 5-cell NiCd, NiMH, or alkaline batteries. It is particularly useful in applications requiring high efficiency and low noise, such as portable electronics, wireless communication devices, and other power-sensitive equipment.
Q & A
- What is the input voltage range of the TPS62050DGS?
The input voltage range is from 2.7 V to 10 V.
- What are the fixed output voltage options available for the TPS62050DGS?
The fixed output voltage options are 1.5 V, 1.8 V, and 3.3 V.
- What is the typical operating frequency of the TPS62050DGS?
The typical operating frequency is 850 kHz.
- Can the TPS62050DGS be synchronized to an external clock signal?
- What is the maximum output current of the TPS62050DGS?
- What is the quiescent current of the TPS62050DGS?
- What is the efficiency of the TPS62050DGS?
- Does the TPS62050DGS have overtemperature and overcurrent protection?
- What is the operating temperature range of the TPS62050DGS?
- What package type is the TPS62050DGS available in?
