Overview
The TPS61261DRVR is a highly efficient synchronous boost converter produced by Texas Instruments, designed to provide power solutions for products powered by single or dual alkaline, nickel-cadmium, or nickel-metal hydride batteries. It is particularly suitable for applications using high-output impedance batteries, such as coin cells. With an input voltage range of 0.8V to 4.0V and an output current of up to 100mA, this device is ideal for low-power applications. Its advanced soft-start technology and energy-saving mode ensure high efficiency across a wide range of load currents. The TPS61261DRVR is packaged in a compact 6-pin WSON (DRV) format, making it a versatile choice for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 0.8 to 4.0 | V | |
| Output Voltage | 3.3 (Fixed) | V | Adjustable: 1.8V to 4.0V |
| Output Current | 100 | mA | |
| Switching Frequency | 2.5 | MHz | |
| Efficiency | Up to 95 | % | |
| Quiescent Current | 29 | µA | |
| Operating Temperature | -40 to 85 | °C | |
| Package | 6-WSON (2x2) |
Key Features
- Advanced soft-start technology for high-output impedance batteries.
- Energy-saving mode for improved efficiency at low output power.
- Programmable average output current range: 10mA to 100mA.
- Adjustable output current limit for low-value resistors.
- Output overvoltage protection and load disconnection during shutdown.
- Undervoltage lockout for enhanced safety.
Applications
The TPS61261DRVR is widely used in applications requiring efficient power management from low-voltage sources. Typical applications include portable electronics, medical devices, and IoT sensors. Its ability to operate with input voltages as low as 0.8V makes it particularly suitable for battery-powered devices, such as remote controls, wearable technology, and energy harvesting systems. Additionally, its compact form factor and high efficiency make it an excellent choice for space-constrained designs in consumer electronics and industrial automation.
Q & A
1. What is the input voltage range of the TPS61261DRVR?
The input voltage range is 0.8V to 4.0V.
2. What is the maximum output current?
The maximum output current is 100mA.
3. Can the output voltage be adjusted?
Yes, the output voltage can be adjusted from 1.8V to 4.0V using an external resistor divider.
4. What is the switching frequency?
The switching frequency is 2.5MHz.
5. Does the device support energy-saving mode?
Yes, it features an energy-saving mode for improved efficiency at low output power.
6. What is the efficiency of the TPS61261DRVR?
The efficiency can reach up to 95%.
7. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
8. Is the device suitable for battery-powered applications?
Yes, it is ideal for battery-powered applications due to its low input voltage requirement and high efficiency.
9. What package does the TPS61261DRVR use?
It is packaged in a 6-pin WSON (DRV) format.
10. Does the device include protection features?
Yes, it includes output overvoltage protection, undervoltage lockout, and load disconnection during shutdown.
