Overview
The TPS562200DDCR is a 2-A synchronous step-down (buck) converter produced by Texas Instruments. This device is part of the TPS562200 and TPS563200 family, designed to be simple and easy to use. It is optimized to operate with a minimum number of external components and achieves low standby current. The TPS562200DDCR employs the proprietary D-CAP2 control topology, which provides a fast transient response and supports both low equivalent series resistance (ESR) output capacitors such as specialty polymer and ultra-low ESR ceramic capacitors without the need for external compensation components.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5 V to 17 V |
| Output Voltage Range | 0.76 V to 7 V |
| Maximum Output Current | 2 A |
| Switching Frequency | 650 kHz |
| Package Type | SOT-23-THN (DDC), 6 pins |
| Operating Temperature Range | -40°C to 125°C |
| Feedback Voltage Accuracy (25°C) | 1% |
| Shutdown Current | < 10 µA |
| Integrated FETs | 122-mΩ and 72-mΩ |
Key Features
- D-CAP2 control topology for fast transient response and support for low ESR output capacitors without external compensation components.
- Advanced Eco-mode for high efficiency during light load operation.
- Integrated 122-mΩ and 72-mΩ FETs.
- Low shutdown current of less than 10 µA.
- 1% feedback voltage accuracy at 25°C.
- Start-up from pre-biased output voltage.
- Cycle-by-cycle overcurrent limit and hiccup-mode undervoltage protection.
- Non-latch OVP, UVLO, and TSD protections.
- Fixed soft start time of 1 ms.
Applications
The TPS562200DDCR is suitable for a variety of applications that require efficient and compact power conversion. These include:
- Portable electronics such as smartphones, tablets, and laptops.
- Industrial control systems and automation equipment.
- Medical devices requiring high efficiency and reliability.
- Aerospace and defense systems where space and power efficiency are critical.
- Consumer electronics such as set-top boxes, gaming consoles, and other multimedia devices.
Q & A
- What is the input voltage range of the TPS562200DDCR?
The input voltage range is from 4.5 V to 17 V.
- What is the maximum output current of the TPS562200DDCR?
The maximum output current is 2 A.
- What is the switching frequency of the TPS562200DDCR?
The switching frequency is 650 kHz.
- What is the operating temperature range of the TPS562200DDCR?
The operating temperature range is from -40°C to 125°C.
- Does the TPS562200DDCR support low ESR output capacitors?
Yes, it supports both low ESR output capacitors such as specialty polymer and ultra-low ESR ceramic capacitors without external compensation components.
- What is the feedback voltage accuracy of the TPS562200DDCR at 25°C?
The feedback voltage accuracy is 1% at 25°C.
- How does the Advanced Eco-mode feature work in the TPS562200DDCR?
The Advanced Eco-mode maintains high efficiency during light load operation by adjusting the switching behavior to minimize power loss.
- What protections are built into the TPS562200DDCR?
The device includes cycle-by-cycle overcurrent limit, hiccup-mode undervoltage protection, non-latch OVP, UVLO, and TSD protections.
- Can the TPS562200DDCR start up from a pre-biased output voltage?
Yes, the device can start up from a pre-biased output voltage.
- What is the soft start time of the TPS562200DDCR?
The fixed soft start time is 1 ms.
