TPS28225DR

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TPS28225DR

+БОМ

IC GATE DRVR HALF-BRIDGE 8SOIC

  • ПроизводительТехасские инструменты

  • Мфр. Часть #TPS28225DR

  • В наличии7585

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

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Спецификации

Атрибут Ценность
Part Status Active
Base Product Number TPS28225
DigiKey Programmable Not Verified
Driven Configuration Half-Bridge
Channel Type Synchronous
Number of Drivers 2
Gate Type MOSFET (N-Channel)
Voltage - Supply 4.5V ~ 8.8V
Logic Voltage - VIL, VIH 0.8V, 2.1V
Current - Peak Output (Source, Sink) 2A, 2A
Input Type Non-Inverting
Rise / Fall Time (Typ) 10ns, 10ns
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)
High Side Voltage - Max (Bootstrap) 33 V

Обзор

Description

The TPS28225DR is a high-speed MOSFET driver designed by Texas Instruments. It is used to drive power MOSFETs in applications that require high-frequency, high-efficiency switching, such as power converters and motor control systems. The device operates from a single supply voltage ranging from 4.5V to 8V and is capable of sourcing and sinking high peak currents (up to 2A). The TPS28225DR features a fast propagation delay of typically 14 ns, allowing for quick turn-on and turn-off of the MOSFETs. It includes an adaptive dead-time control feature, which helps to prevent shoot-through current and improve system efficiency. Additionally, the driver integrates an under-voltage lockout (UVLO) to ensure reliable operation by preventing the MOSFETs from operating with insufficient gate drive voltage. The device is housed in a standard SOIC-8 package, making it suitable for compact designs. Overall, the TPS28225DR provides robust performance for driving MOSFETs in a variety of high-speed switching applications.

Equivalent

The TPS28225DR is a high-speed, dual low-side MOSFET driver. Equivalent products might include:
1. MIC4422 from Microchip Technology
2. TC4422 from Microchip Technology
3. FAN3100C from ON Semiconductor
4. ADP3654 from Analog Devices
These alternatives should be evaluated for compatibility, as specifications such as voltage range, current drive capability, and package type may vary.

Features

The TPS28225DR is a dual high-speed MOSFET driver from Texas Instruments. Key features include:
1. Output Drive Capability: It can source/sink peak currents up to 4 A, enabling fast switching times for high-frequency applications.
2. Input Compatibility: Compatible with TTL and CMOS logic inputs, making it versatile for various circuit designs.
3. Propagation Delay: Offers low propagation delay, typically around 14 ns, ensuring quick response times.
4. Wide Supply Voltage Range: Operates over a broad supply voltage range from 4.5 V to 8 V.
5. Undervoltage Lockout (UVLO): Includes a UVLO feature to ensure the driver operates only when the supply voltage is above a certain threshold.
6. Thermal Performance: Available in a thermally efficient SOIC-8 package, suitable for compact and high-density circuit designs.
7. Operating Temperature: Designed for a wide operating temperature range from -40°C to 125°C, making it reliable in various environmental conditions.
8. Non-inverting and Inverting Inputs: Provides flexibility in driving configurations.
These features make the TPS28225DR suitable for applications such as DC-DC converters, motor drives, and other high-speed switching applications.

Pinout

The TPS28225DR is a high-speed MOSFET driver designed by Texas Instruments. It is used to drive high-side and low-side N-channel MOSFETs in synchronous buck converters and similar applications.
The TPS28225DR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise description of its pin functions:
1. IN: Input signal for the driver, typically connected to a PWM signal.
2. GND: Ground connection.
3. OUTL: Output for driving the low-side MOSFET.
4. VDD: Supply voltage pin for the driver, typically connected to a voltage source ranging from 4.5V to 8V.
5. BOOT: Bootstrap pin, used to provide a voltage higher than VDD for the high-side gate driver.
6. OUTH: Output for driving the high-side MOSFET.
7. LO: Low-side gate drive return, usually connected to ground.
8. HS: High-side source connection, typically connected to the phase node between the high-side and low-side MOSFETs.
The TPS28225DR is known for fast switching speeds and efficient driving capability, which are critical for minimizing transition losses in power MOSFETs.

Manufacturer

The TPS28225DR is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide array of analog and embedded processing chips. Their products are integral to various electronic systems, including those used in automotive, industrial, personal electronics, and communications equipment. The company is renowned for its innovation and dedication to advancing semiconductor technology, often leading in areas like power management, microcontrollers, sensors, and other integrated circuits.

Application

The TPS28225DR is a high-speed MOSFET driver ideal for applications requiring efficient power management and fast switching. Key application areas include:
1. DC-DC Converters: Enhances performance in synchronous buck or boost converters by driving MOSFETs with high efficiency.
2. Power Supply Modules: Used in server, telecom, and networking equipment to improve power conversion efficiency.
3. Motor Control Systems: Assists in driving MOSFETs for precise motor control.
4. Battery-Powered Devices: Optimizes battery life by reducing power losses and improving conversion efficiency.
5. Industrial Equipment: Suitable for various industrial applications where robust and efficient power control is required.
These applications benefit from the TPS28225DR's fast switching, low propagation delay, and high current drive capability.

Package

The TPS28225DR is packaged in an SOIC (Small Outline Integrated Circuit) with 8 pins, specifically with the "D" designation, which indicates a standard SOIC-8 package.

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