TPSMF4L28A

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TPSMF4L28A

+BOM

TVS DIODE 28VWM 45.4VC SOD123FL

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q101, TPSMF4L
ProductStatus Active
Type Zener
UnidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 28V
Voltage-Breakdown(Min) 31.1V
Voltage-Clamping(Max)@Ipp 45.4V
Current-PeakPulse(10/1000µs) 8.8A
Power-PeakPulse 400W
PowerLineProtection No
Applications Automotive
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case SOD-123F

Overview

Description

The TPSMF4L28A is a low-dropout (LDO) linear voltage regulator designed to provide a stable and precise output voltage. It is commonly used in electronic circuits where a constant voltage supply is crucial, such as in microcontrollers, sensors, and communication devices. The "TPS" in its name indicates it is part of Texas Instruments’ series of power management chips, while "MF4L28A" typically denotes specific features or specifications like the output voltage level it regulates to, which is often 2.8V in this case.
Key features of the TPSMF4L28A include a low quiescent current, which helps in power-saving applications, and a fast transient response, ensuring stable operation even when there are sudden changes in load current. Its small form factor and high efficiency make it suitable for portable and battery-powered devices. The device usually incorporates protection mechanisms such as overcurrent protection and thermal shutdown to enhance reliability and protect against component damage.

Equivalent

The TPSMF4L28A is a 400W Transient Voltage Suppressor (TVS) diode designed for protecting sensitive electronics from voltage transients. Equivalent products include:
1. Littelfuse SMAJ28A
2. ON Semiconductor 1SMB28AT3G
3. Vishay SMA6J28A
4. Bourns SMAJ28CA
These components offer similar voltage clamping capabilities and package sizes, making them suitable substitutes in applications requiring transient voltage suppression. Always ensure the chosen equivalent meets the specific requirements of your application.

Features

The TPSMF4L28A is a surface-mount Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients induced by lightning and other transient voltage events. Key features include:
1. Breakdown Voltage: A nominal breakdown voltage typically around 28V.
2. Power Rating: Capable of handling high peak pulse power dissipation, often specified at 400W or more.
3. Low Clamping Voltage: Provides a low clamping voltage to protect downstream components effectively.
4. Response Time: Fast response time to transient events, typically in the picosecond range.
5. Reverse Standoff Voltage: Designed for applications needing a reverse standoff voltage around 28V.
6. Package: Surface-mount package, which allows for compact and efficient board designs.
7. Polarity: Available in uni-directional and bi-directional configurations.
8. Automotive and Industrial Use: Suitable for applications in automotive and industrial environments due to its robust design.
These features make the TPSMF4L28A ideal for safeguarding circuits in various demanding applications.

Pinout

The TPSMF4L28A is a transient voltage suppressor (TVS) diode. It is designed to protect sensitive electronic components from voltage transients induced by inductive load switching and lighting, as well as electrostatic discharge (ESD). The TPSMF4L28A typically comes in a compact surface-mount package, such as the SOD-123FL, which generally has two pins.
The two pins are as follows:
1. Anode (A): This is the positive side of the diode.
2. Cathode (K): This is the negative side, often indicated by a line on the diode body.
The primary function of the TPSMF4L28A is to clamp overvoltage to a safe level, thereby protecting downstream components from damage. This device is commonly used in various applications requiring robust protection against voltage spikes and surges.

Manufacturer

The TPSMF4L28A is manufactured by Bourns, Inc. Bourns is an American company that specializes in the design and manufacturing of electronic components. Founded in 1947, the company provides a wide range of products including circuit protection, magnetic components, sensors, and resistive components. Bourns is known for its innovative solutions and high-quality products across various industries such as telecommunications, automotive, and consumer electronics.

Application

The TPSMF4L28A is a TVS (Transient Voltage Suppressor) diode designed for protecting sensitive electronics from voltage spikes and transients. Its primary application areas include:
1. Automotive Electronics: Protects vehicle electronic circuits from voltage transients induced by load dump and other switching activities.
2. Consumer Electronics: Safeguards devices like TVs, gaming consoles, and home appliances from electrical surges.
3. Industrial Equipment: Shields industrial control systems and machinery from electrical noise and transients.
4. Telecommunications: Protects network equipment and communication devices from electrical disturbances.
5. Data Centers: Ensures the integrity of data and power lines against transient events.
These applications leverage its ability to clamp excessive voltage and protect downstream components.

Package

The TPSMF4L28A is a transient voltage suppressor (TVS) diode with a SOD-123FL package type. The SOD-123FL is a flat lead package designed to facilitate surface-mount technology (SMT) on printed circuit boards (PCBs).

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