BTS4140NHUMA1

Product Overview

Category: Power MOSFET Use: High-side switch for automotive applications Characteristics: - Low on-resistance - Overload protection - Short-circuit protection - Thermal shutdown protection Package: TO-263-7 (D2PAK) Essence: Efficient and reliable high-side switch for automotive systems Packaging/Quantity: Tape and reel, 250 units per reel

Specifications

• Drain-source voltage: 40V
• Continuous drain current: 30A
• On-state resistance: 8.5mΩ
• Input voltage range: 4.5V - 28V
• Operating temperature range: -40°C to +150°C

Detailed Pin Configuration

The BTS4140NHUMA1 has a total of seven pins:

1. IN: Input pin for controlling the high-side switch.
2. GND: Ground reference for the device.
3. EN: Enable pin for turning the high-side switch on or off.
4. OUT: Output pin connected to the load.
5. PGND: Power ground reference for the device.
6. VS: Supply voltage pin.
7. VBAT: Battery voltage input pin.

Functional Features

• Overload protection: The BTS4140NHUMA1 incorporates an overload protection feature that shuts down the high-side switch in case of excessive current flow.
• Short-circuit protection: In the event of a short circuit, the device automatically turns off the high-side switch to prevent damage.
• Thermal shutdown protection: If the operating temperature exceeds the specified limit, the device enters thermal shutdown mode to protect itself from overheating.
• Fast switching times: The power MOSFET technology used in the BTS4140NHUMA1 allows for fast switching, minimizing power losses and improving efficiency.

Advantages and Disadvantages

Advantages: - High reliability and robustness - Low on-resistance, reducing power dissipation - Integrated protection features enhance system safety - Wide input voltage range allows for versatile applications

Disadvantages: - Relatively high cost compared to traditional mechanical switches - Requires proper heat sinking to maintain optimal performance

Working Principles

The BTS4140NHUMA1 is a high-side switch that controls the flow of current from the battery to the load in automotive systems. It utilizes power MOSFET technology to achieve low on-resistance and efficient switching. The device can be controlled through the input pin (IN) and enable pin (EN), allowing for easy integration into various control systems. The integrated protection features ensure safe operation by monitoring current, temperature, and voltage levels.

Detailed Application Field Plans

The BTS4140NHUMA1 is primarily designed for use in automotive applications, including but not limited to:

1. Electric power steering systems
2. Transmission control units
3. Engine management systems
4. Lighting control modules
5. Battery management systems

Its high reliability, protection features, and wide input voltage range make it suitable for demanding automotive environments.

Detailed and Complete Alternative Models

1. Infineon BTS4140N
2. STMicroelectronics VNQ600AP-E
3. Texas Instruments TPS1H100-Q1
4. ON Semiconductor NCV8402AD

These alternative models offer similar functionality and are commonly used in automotive high-side switch applications.