Overview
The TPS62160DSGT from Texas Instruments is a high-efficiency synchronous step-down DC/DC converter optimized for applications requiring high power density. This device is part of the TPS6216x family, which utilizes the advanced DCS-Control™ topology. This topology combines the benefits of hysteretic, voltage mode, and current mode control, ensuring seamless transition into power save mode. The TPS62160DSGT operates over a wide input voltage range of 3 V to 17 V, making it suitable for systems powered by Li-Ion batteries or 12-V intermediate power rails. It supports up to 1-A continuous output current with output voltages adjustable between 0.9 V and 6 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3 V to 17 V | V |
| Output Current | Up to 1 A | A |
| Output Voltage Range | 0.9 V to 6 V | V |
| Switching Frequency | Typically 2.25 MHz | Hz |
| Quiescent Current | Typically 17 μA | μA |
| Package Type | 8-Pin WSON (DSG) | - |
| Package Size | 2.00 mm x 2.00 mm | mm |
| High-Side MOSFET ON-Resistance | 300 mΩ (VIN ≥ 6 V), 430 mΩ (VIN = 3 V) | mΩ |
| Low-Side MOSFET ON-Resistance | 120 mΩ (VIN ≥ 6 V), 165 mΩ (VIN = 3 V) | mΩ |
| High-Side MOSFET Forward Current Limit | 1.45 A to 2.45 A | A |
| Power Good Threshold Voltage | 92% to 98% (Rising), 87% to 93% (Falling) | %VOUT |
Key Features
- DCS-Control™ topology for seamless power save mode transition
- Adjustable output voltage from 0.9 V to 6 V and fixed output voltage versions
- 100% duty cycle mode
- Short circuit protection and over temperature protection
- Power good output with open-drain configuration
- Pin to pin compatible with TPS62170 and TPS62125
- High switching frequency of typically 2.25 MHz for fast transient response and high output voltage accuracy
- Low quiescent current of typically 17 μA in power save mode
- Shutdown current consumption less than 2 μA
Applications
- Standard 12-V rail supplies
- POL (Point of Load) supply from single or multiple Li-Ion batteries
- LDO (Linear Dropout) replacement
- Embedded systems
- Digital still cameras and video devices
- Mobile PCs, tablet PCs, and modems
Q & A
- What is the input voltage range of the TPS62160DSGT? The input voltage range is from 3 V to 17 V.
- What is the maximum output current of the TPS62160DSGT? The maximum output current is up to 1 A.
- What are the available output voltage ranges for the TPS62160DSGT? The output voltage can be adjusted from 0.9 V to 6 V, and there are also fixed output voltage versions available.
- What is the typical switching frequency of the TPS62160DSGT? The typical switching frequency is 2.25 MHz.
- What is the quiescent current in power save mode? The quiescent current in power save mode is typically 17 μA.
- Does the TPS62160DSGT have built-in protection features? Yes, it includes short circuit protection and over temperature protection.
- What is the package type and size of the TPS62160DSGT? The package type is 8-Pin WSON (DSG), and the size is 2.00 mm x 2.00 mm.
- Can the TPS62160DSGT be used in high power density applications? Yes, it is optimized for applications with high power density.
- How does the power save mode work in the TPS62160DSGT? The power save mode is entered seamlessly when the load current decreases, maintaining high efficiency in light load operation.
- Is the TPS62160DSGT compatible with other Texas Instruments devices? Yes, it is pin to pin compatible with TPS62170 and TPS62125.
