Overview
The TPS61099YFFR, manufactured by Texas Instruments, is a highly efficient boost converter designed for products powered by alkaline, nickel-metal hydride, lithium-manganese, or lithium-ion batteries. This component is particularly optimized for low-power applications, ensuring extended battery life with its ultra-low quiescent current of just 1µA. The TPS61099YFFR utilizes a hysteretic control topology, achieving high efficiency even under light load conditions, making it ideal for portable and wearable devices. Its market positioning targets battery-powered systems, including low-power wireless applications, optical heart rate monitors, and memory LCD bias.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 1.8 to 5.5 | V | |
| Output Current | Up to 300 | mA | For 3.3V to 5V conversion |
| Quiescent Current | 1 | µA | |
| Efficiency | Up to 93 | % | At 200mA load |
| Efficiency at Light Load | 75 | % | At 10µA load |
| Operating Temperature | -40 to 85 | °C | |
| Package | DSBGA-6 |
Key Features
- Ultra-low quiescent current of 1µA for extended battery life.
- High efficiency up to 93% at 200mA load.
- Supports buck mode and pass-through operation for versatile applications.
- True shutdown capability disconnects load from input, minimizing current consumption.
- Compact DSBGA-6 package suitable for space-constrained designs.
Applications
The TPS61099YFFR is widely used in various low-power and portable applications. Its primary use cases include memory LCD bias, optical heart rate monitoring, LED bias, and wearable devices. Additionally, it is suitable for low-power wireless applications, portable consumer electronics, and battery-powered systems. Its ability to operate efficiently under light load conditions makes it a preferred choice for extending battery life in these applications.
Q & A
What is the input voltage range of the TPS61099YFFR?
The input voltage range is 1.8V to 5.5V.
What is the maximum output current supported by the TPS61099YFFR?
It supports up to 300mA output current for 3.3V to 5V conversion.
What is the quiescent current of the TPS61099YFFR?
The quiescent current is 1µA.
What is the efficiency of the TPS61099YFFR at 200mA load?
The efficiency can reach up to 93% at 200mA load.
What package does the TPS61099YFFR come in?
It comes in a DSBGA-6 package.
What are the key features of the TPS61099YFFR?
Key features include ultra-low quiescent current, high efficiency, buck mode, pass-through operation, and true shutdown capability.
What applications is the TPS61099YFFR suitable for?
It is suitable for memory LCD bias, optical heart rate monitoring, LED bias, wearable devices, and low-power wireless applications.
Does the TPS61099YFFR support buck mode?
Yes, it supports buck mode for regulating output voltage even when the input voltage is higher than the output.
What is the efficiency of the TPS61099YFFR at light load?
The efficiency is 75% at 10µA load.
What is the operating temperature range of the TPS61099YFFR?
The operating temperature range is -40°C to 85°C.
