Overview
The TPS62807YKAR is a high-efficiency, ultra-low quiescent current step-down converter from Texas Instruments. This device is part of the TPS6280x family, which features advanced DCS-Control topology for seamless transition between power save and forced PWM modes. The TPS62807YKAR is designed for applications requiring high efficiency and low power consumption, making it suitable for a variety of portable and battery-powered devices. It operates within an input voltage range of 1.75V to 5.5V and can deliver an output current of up to 600mA.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 1.75V to 5.5V | V |
| Output Voltage Range | 0.8V to 1.55V | V |
| Output Current | Up to 600mA | A |
| Switching Frequency | 1.5MHz | Hz |
| Quiescent Current (Power Save Mode) | Typically 2.3µA | A |
| Output Voltage Accuracy | ±1% (PWM mode) | % |
| Package Type | DSBGA (YKA) - 6 pins | |
| Package Size | 1.05 mm × 0.70 mm | mm |
| Operating Junction Temperature Range | -40°C to 125°C | °C |
Key Features
- Ultra-low quiescent current of 2.3µA in power save mode
- High efficiency operation using DCS-Control topology
- Selectable power save and forced PWM modes
- R2D converter for flexible VOUT setting
- Smart enable pin with internal 500-kΩ pulldown resistor
- Optimized pinout to support 0201 components
- Output discharge and 100% duty cycle operation
- Tiny 6-pin, 0.35mm pitch WCSP package
- Supports design heights below 0.6mm and design sizes below 5mm²
Applications
The TPS62807YKAR is suitable for a wide range of applications, including:
- Portable electronics such as smartphones, tablets, and laptops
- Battery-powered devices requiring high efficiency and low quiescent current
- Wearable devices and IoT applications
- Automotive systems where low power consumption is critical
- Industrial control systems and medical devices
Q & A
- What is the input voltage range of the TPS62807YKAR?
The input voltage range is from 1.75V to 5.5V. - What is the maximum output current of the TPS62807YKAR?
The maximum output current is up to 600mA. - What is the switching frequency of the TPS62807YKAR?
The switching frequency is 1.5MHz. - How does the TPS62807YKAR achieve low quiescent current?
The device achieves low quiescent current through its power save mode, using DCS-Control topology. - What is the package type and size of the TPS62807YKAR?
The package type is DSBGA (YKA) with 6 pins, and the size is 1.05 mm × 0.70 mm. - What are the key features of the R2D converter in the TPS62807YKAR?
The R2D converter allows for flexible VOUT setting by reading out the external resistor and setting the output voltage accordingly. - How does the smart enable pin function in the TPS62807YKAR?
The smart enable pin has an internal 500-kΩ pulldown resistor to prevent uncontrolled start-up and ensures the device is in shutdown mode when the EN pin is low. - What are the thermal characteristics of the TPS62807YKAR?
The device has a junction-to-ambient thermal resistance of 147.7°C/W and operates within a junction temperature range of -40°C to 125°C. - Can the TPS62807YKAR operate in 100% duty cycle?
Yes, the device supports 100% duty cycle operation. - What is the purpose of the undervoltage lockout (UVLO) in the TPS62807YKAR?
The UVLO monitors the supply voltage and shuts down the device at an input voltage below 1.7V to prevent misoperation.
