The TPS62220DDCR is a high-efficiency, synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a wide range of input voltages. Here's a description of the model TPS62220DDCR, including its features and applications:
Description:
The TPS62220DDCR is a member of Texas Instruments' Simple Switcher® family of monolithic step-down converters. It is available in a compact 10-lead DFN (Dual Flat No-Leads) package. The device is designed to operate with input voltages ranging from 4.75V to 23V, making it suitable for a wide range of applications.
Features:
- High Efficiency: The TPS62220DDCR offers high efficiency of up to 95%, depending on the input voltage and output current.
- Wide Input Voltage Range: It can accept input voltages from 4.75V to 23V, making it suitable for applications with varying power sources.
- Synchronous Rectification: The device uses synchronous rectification, which improves efficiency by reducing the voltage drop across the rectifying diodes during the conversion process.
- Low Quiescent Current: The quiescent current is as low as 35µA in burst mode, which is beneficial for battery-powered applications.
- Output Voltage Programmability: The output voltage can be programmed using an external resistor divider, allowing for flexibility in output voltage selection.
- Transient Response: The TPS62220DDCR has a fast transient response, making it suitable for applications with dynamic load changes.
- Protection Features: The device includes over-current protection, over-temperature protection, and thermal shutdown to ensure safe operation.
- Small Package: The 10-lead DFN package is compact, making it suitable for space-constrained applications.
Applications:
- Portable Electronics: Due to its high efficiency and low quiescent current, the TPS62220DDCR is ideal for battery-powered devices such as smartphones, tablets, and wearables.
- Industrial Equipment: The wide input voltage range and robust protection features make it suitable for industrial applications with varying power sources and operating conditions.
- Medical Devices: The device's efficiency and programmability make it a good choice for powering medical equipment that requires a stable and regulated output voltage.
- Automotive Applications: The TPS62220DDCR can be used in automotive applications, such as infotainment systems and sensor power supplies, where a wide input voltage range and high efficiency are important.
- LED Lighting: The device can be used to power LED lighting systems, providing a stable and efficient power supply for the LEDs.
In summary, the TPS62220DDCR is a versatile and efficient step-down regulator from Texas Instruments, suitable for a wide range of applications, including portable electronics, industrial equipment, medical devices, automotive applications, and LED lighting systems. Its high efficiency, wide input voltage range, and compact package make it an attractive choice for designers looking to optimize power management in their systems.