TPS259631DDAR

Overview of TPS259631DDAR

The TPS259631DDAR is a high-performance integrated circuit optimized for its wide input voltage range, low on-resistance, and surge clamping capabilities. It provides excellent performance for various applications, including analog and digital signal switching.

Pinout

The TPS259631DDAR pinout refers to the configuration and function of each pin in its 8-PowerSOIC (0.154", 3.90mm Width) package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the TPS259631DDAR has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

• Wide input voltage range: 2.7-V to 19-V, with an absolute maximum of 21-V
• Low On-Resistance: Ron = 89-mΩ (typical)
• Active high enable input with adjustable undervoltage lockout (UVLO):
• Overvoltage protection options available: Fast overvoltage clamp (3.8-V, 5.7-V and 13.8-V pin-selectable thresholds) with a response time of 5-µs (typical), and adjustable overvoltage lockout (OVLO) with a response time of 1.3-µs (typical)
• Adjustable current limit with load current monitor output (ILM): Current range: 0.125-A to 2-A, with a current limit accuracy of ±10.4 % (maximum) across the current range and ±5.5 % (maximum) at 1-A current limit
• Immune to Electrical Fast Transients (IEC 61000-4-4):
• Adjustable output slew rate control (dV/dt):
• Surge clamping capabilities:

Applications

• Power management systems: The TPS259631DDAR is suitable for use in power management systems, such as battery-powered devices and automotive applications.
• Telecommunications equipment: Its surge clamping capabilities make it an excellent choice for telecommunications equipment, including servers, routers, and switches.
• Aerospace and defense systems: The TPS259631DDAR's immunity to electrical fast transients makes it suitable for use in aerospace and defense systems, where electromagnetic interference (EMI) is a concern.
• Industrial control systems: Its adjustable current limit and load current monitor output make it an excellent choice for industrial control systems, such as motor drives and power supplies.

Advantages and Disadvantages

Advantages:

• Wide input voltage range: The TPS259631DDAR's wide input voltage range makes it suitable for use in a variety of applications, including those with varying power supply voltages.
• Low On-Resistance: Its low on-resistance reduces power consumption and heat generation, making it an excellent choice for battery-powered devices and other applications where power efficiency is critical.
• Adjustable current limit: The TPS259631DDAR's adjustable current limit allows designers to optimize the device's performance for specific applications.

Disadvantages:

• Complexity: The TPS259631DDAR is a complex integrated circuit with many features and options, which can make it challenging to design and implement in certain applications.
• Cost: The TPS259631DDAR's advanced features and capabilities may make it more expensive than simpler devices, which can be a disadvantage for some designers and engineers.

Equivalents

For similar functionalities, consider these alternatives to the TPS259631DDAR:

• TPS2541: This device is also a surge clamping circuit with adjustable current limit and load current monitor output.
• MAX1555: This device is a high-performance surge protector with adjustable current limit and overvoltage protection.
• STW45NF60Z: This device is a power MOSFET with surge clamping capabilities and adjustable current limit.

Frequently Asked Questions

Q: What is the maximum input voltage for the TPS259631DDAR?
A: The maximum input voltage is 21-V.

Q: How does the TPS259631DDAR's surge clamping capability work?
A: The device uses a combination of fast and slow response times to clamp surges and protect against overvoltage conditions.

Q: Can I use the TPS259631DDAR in an aerospace application?
A: Yes, the device is suitable for use in aerospace applications due to its immunity to electrical fast transients (IEC 61000-4-4).

Q: How do I adjust the current limit on the TPS259631DDAR?
A: The current limit can be adjusted using an external resistor and a reference voltage.