Overview
The TPS62240DDCRG4 is a highly efficient synchronous step-down DC-DC converter produced by Texas Instruments. This device is designed to provide up to 300-mA output current from a single Li-Ion cell, making it ideal for battery-powered portable applications such as mobile phones and other portable equipment. It operates over a wide input voltage range of 2 V to 6 V, supporting various battery configurations and input voltage rails.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2 V to 6 V | V |
| Output Current | Up to 300 mA | A |
| Switching Frequency | 2.25 MHz | Hz |
| Output Voltage Accuracy (PWM Mode) | ±1.5% | % |
| Quiescent Current | Typical 15 µA | A |
| Maximum Operating Junction Temperature | -40°C to 125°C | °C |
| Package Options | 5-pin SOT, 6-pin WSON | |
| Operating Temperature Range | -40°C to 85°C | °C |
Key Features
- High efficiency greater than 94%
- Adjustable output voltage from 0.6 V to VIN
- Power save mode at light load currents
- 100% duty cycle for lowest dropout
- Typical 15-µA quiescent current
- Available in SOT and WSON packages allowing for a small solution size (<1 mm height)
- Supports small inductors and capacitors for compact design
Applications
The TPS62240DDCRG4 is suitable for a variety of battery-powered portable applications, including mobile phones, handheld devices, and other portable electronic equipment. Its wide input voltage range and high efficiency make it an excellent choice for devices that require reliable and efficient power conversion from single or multiple cell batteries.
Q & A
- What is the input voltage range of the TPS62240DDCRG4?
The input voltage range is from 2 V to 6 V, supporting Li-Ion batteries and other voltage rails. - What is the maximum output current of the TPS62240DDCRG4?
The maximum output current is up to 300 mA. - What is the switching frequency of the TPS62240DDCRG4?
The switching frequency is fixed at 2.25 MHz. - How accurate is the output voltage in PWM mode?
The output voltage accuracy in PWM mode is ±1.5%. - What is the typical quiescent current of the TPS62240DDCRG4?
The typical quiescent current is 15 µA. - What are the package options for the TPS62240DDCRG4?
The device is available in 5-pin SOT and 6-pin WSON packages. - What is the operating temperature range of the TPS62240DDCRG4?
The operating temperature range is from -40°C to 85°C. - Does the TPS62240DDCRG4 support power save mode?
Yes, the device enters power save mode at light load currents to maintain high efficiency. - Can the output voltage be adjusted?
Yes, the output voltage is adjustable from 0.6 V to VIN using an external feedback divider. - What type of applications is the TPS62240DDCRG4 suitable for?
The device is suitable for battery-powered portable applications such as mobile phones and other handheld devices.
