Blog Perusahaan Tentang Mingjiada Supply ST VN5T006 Single Channel High Side Driver With Analog Current Sense For 24V Automotive Application

With increasing demands for load control and power supply protection in commercial vehicles, coaches, engineering vehicles, agricultural machinery and 24V automotive electronic systems, high-side drivers are widely used in body control, power distribution modules and load switch designs. Shenzhen Mingjiada Electronics Co., Ltd. — a long-standing supplier of the ST (STMicroelectronics) VN5T006 single-channel high-side driver for 24V automotive applications — offers sample enquiries, BOM fulfilment and bulk procurement services.

I. ST VN5T006 Product Positioning

The ST VN5T006 is a single-channel high-side driver primarily used for high-side load control in automotive electronic systems. Compared to low-side driver solutions, high-side drivers are positioned between the load and the positive terminal of the power supply, making them suitable for automotive load control scenarios where the load’s ground terminal must remain grounded. This device is designed for 24V automotive power supply systems and can be used in body control modules, power distribution units and various in-vehicle load switch designs.

The VN5T006 integrates an analogue current sensing function, outputting a current proportional to the load current. Fault conditions such as overload, overtemperature or a short circuit to VCC are reported via the current sense pin. The output current limit function protects the device under overload conditions. In the event of an overload or thermal shutdown, the device will lock in the off state. The device will be reset when a low-level signal is received at the fault reset standby pin. If the input and the fault reset standby pin remain at a low level, all outputs will be disabled and the device will enter standby mode.

II. Key Features of the VN5T006:

Extremely low standby current

3.0 V CMOS-compatible inputs

Optimised electromagnetic emissions

Extremely low electromagnetic susceptibility

Compliant with European Directive 2002/95/EC

Fault Reset Standby pin (FR_Stby)

Diagnostic functions

Proportional load current detection

Current detection accuracy across a wide current range

No-load detection in the off state

Output short-circuit to VCC detection

Overload and short-circuit to ground latch-off

Thermal shutdown latch-off

Extremely low current sensing leakage

III. VN5T006 Protection Functions

Undervoltage shutdown

Overvoltage clamping

Load current limiting

Fast thermal transient self-limiting

Ground loss and VCC loss protection

Thermal shutdown

Reverse battery protection via automatic switching of the power MOSFET

Electrostatic discharge (ESD) protection

IV. Typical Applications

The ST VN5T006 can be used in a variety of load control scenarios within 24V automotive electronic systems. Typical applications include:

Body control modules: High-side driving of loads such as vehicle lights, relays and solenoid valves;

Vehicle power distribution modules: Multi-channel load switching and power distribution control;

Commercial vehicle and coach electronics: Auxiliary load control in 24V power supply systems;

Construction and agricultural machinery: drive of on-board electrical loads;

Heating, lighting and small motor loads: thermal design and protection assessment must be carried out in accordance with load characteristics.

V. Value for 24V Automotive Applications

24V automotive systems are commonly found in vehicle platforms such as commercial vehicles, coaches, construction machinery and agricultural equipment. Such systems place high demands on load drivers in terms of voltage withstand capability, immunity to interference, protection functions and long-term reliability. The ST VN5T006 is positioned as a single-channel high-side driver for 24V automotive applications and is suitable for automotive electronics designs requiring integrated load control.

When evaluating the solution, designers should focus on the following aspects:

High-side driver architecture, suitable for automotive load switch control;

Single-channel design, facilitating independent layout of multiple loads;

Designed for 24V automotive power supply system applications;

Suitable for body control, power distribution modules and on-board load management.

With the intelligent upgrade of electronic control systems in commercial vehicles, the demands on 24V on-board load switches in terms of diagnostic capabilities, voltage withstand and reliability continue to rise. Thanks to its VIPower process, low on-resistance, comprehensive fault diagnostics and multiple protection features, the ST VN5T006 is the preferred device for single-channel high-side drivers in 24V commercial vehicles. Mingjiada Electronics continues to supply genuine ST VN5T006 chips; please visit the Mingjiada Electronics website (https://www.integrated-ic.com/) for further details on product availability.

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