Overview
The TPS54202DDCR, produced by Texas Instruments, is a high-efficiency, synchronous step-down converter designed to provide up to 2A of output current from an input voltage range of 4.5V to 28V. This converter is optimized for low electromagnetic interference (EMI) and features an internally set switching frequency of 500 kHz. The device incorporates high-side and low-side MOSFETs, making it suitable for a variety of power management applications in compact form factors.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VIN Operating Voltage Range | 8 | 24 | 28 | V |
| VIN Start Voltage | 6.74 | V | ||
| VIN Stop Voltage | 5.83 | V | ||
| Output Voltage Set Point | 5 | V | ||
| Output Current Range | 0 | 2 | A | |
| Line Regulation (IO = 1 A, VIN = 8 V to 28 V) | ±0.5% | |||
| Load Regulation (VIN = 12 V, IO = 0 A to 2 A) | ±0.5% | |||
| Load Transient Response (IO = 0.5 A to 1.5 A) | -150 mV | 150 mV | ||
| Recovery Time | 150 μs | |||
| Input Ripple Voltage (IO = 2 A) | 400 mVPP | |||
| Output Ripple Voltage (IO = 2 A) | <30 mVPP | |||
| Output Rise Time | 5 ms |
Key Features
- High-efficiency synchronous step-down converter with up to 2A output current.
- Input voltage range of 4.5V to 28V.
- Internally set switching frequency of 500 kHz.
- Integrated high-side and low-side MOSFETs for reduced external component count.
- Frequency spread spectrum with ±6% jittering span to reduce EMI.
- Compact form factor suitable for space-constrained applications.
- High accuracy in line and load regulation.
- Fast load transient response with minimal voltage change and quick recovery time.
Applications
The TPS54202DDCR is suitable for a wide range of applications requiring efficient and compact power management solutions, including:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Consumer electronics requiring high efficiency and low EMI.
Q & A
- What is the input voltage range of the TPS54202DDCR?
The input voltage range is from 4.5V to 28V. - What is the maximum output current of the TPS54202DDCR?
The maximum output current is 2A. - What is the switching frequency of the TPS54202DDCR?
The switching frequency is internally set at 500 kHz. - Does the TPS54202DDCR have built-in MOSFETs?
Yes, it incorporates both high-side and low-side MOSFETs. - How does the TPS54202DDCR reduce EMI?
It uses frequency spread spectrum with ±6% jittering span. - What is the typical line regulation of the TPS54202DDCR?
The typical line regulation is ±0.5%. - What is the load transient response of the TPS54202DDCR?
The load transient response is characterized by a voltage change of -150 mV to 150 mV with a recovery time of 150 μs. - What is the output ripple voltage of the TPS54202DDCR at 2A output current?
The output ripple voltage is less than 30 mVPP. - What are some typical applications of the TPS54202DDCR?
It is used in industrial control systems, medical devices, aerospace and defense systems, automotive systems, and consumer electronics. - Where can I find detailed performance specifications and user guides for the TPS54202DDCR?
You can find detailed information on the Texas Instruments website, including data sheets and user guides for the evaluation module.
