Overview
The VNQ6040S-E is a quad-channel high-side driver produced by STMicroelectronics, utilizing their VIPower technology. This device is designed to drive resistive or inductive loads directly connected to ground and is protected against voltage transients on the VCC pin. It features advanced diagnostic and control capabilities via the SPI bus, including real-time diagnostics for open-load, output short to VCC, overtemperature, and communication errors. The device also includes various protection mechanisms such as load current limitation, self-limiting of fast thermal transients, and power limitation with overtemperature shutdown. It operates in a range of modes, including a limp home mode for robust fail-safe operation in case of digital supply loss or other critical events.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Load | 5V ~ 28V |
| Voltage - Supply (Vcc/Vdd) | - |
| Current - Output (Max) | 25A |
| Rds On (Typ) | 35mOhm |
| Operating Temperature (°C) (min) | -40 |
| Operating Temperature (°C) (max) | - |
| Package | PowerSSO-36 |
| RoHS Compliance Grade | Ecopack2 |
Key Features
- 16-bit ST-SPI for full and diagnostic control
- Programmable BULB/LED mode
- Integrated PWM and phase shift generation unit
- 160 Hz internal PWM fallback frequency
- Advanced limp home functionalities for robust fail-safe system
- Very low standby current
- Optimized electromagnetic emissions and very low electromagnetic susceptibility
- Multiplex proportional load current sense and synchronous diagnostic of overload and short to GND, output shorted to VCC
- Programmable case overtemperature warning
- Load current limitation, self-limiting of fast thermal transients, and power limitation with overtemperature shutdown (latching off or autorestart)
- Undervoltage shutdown, overvoltage clamp, and reverse battery protection through power outputs self-turn-on
- Load dump protected and protection against loss of ground
Applications
The VNQ6040S-E is primarily used in automotive applications for driving resistive or inductive loads. It is suitable for various automotive systems that require robust and reliable high-side driver functionality, such as lighting systems, motor control, and other load management applications. Its advanced diagnostic and protection features make it an ideal choice for ensuring the reliability and safety of automotive electrical systems.
Q & A
- What is the VNQ6040S-E used for?
The VNQ6040S-E is a quad-channel high-side driver used for driving resistive or inductive loads directly connected to ground, particularly in automotive applications.
- What technology is used in the VNQ6040S-E?
The VNQ6040S-E is made using STMicroelectronics’ VIPower technology.
- What is the maximum output current of the VNQ6040S-E?
The maximum output current of the VNQ6040S-E is 25A.
- What is the typical Rds On value of the VNQ6040S-E?
The typical Rds On value of the VNQ6040S-E is 35mOhm.
- What communication interface does the VNQ6040S-E use?
The VNQ6040S-E uses a 16-bit ST-SPI interface for control and diagnostics.
- What protection mechanisms does the VNQ6040S-E include?
The VNQ6040S-E includes load current limitation, self-limiting of fast thermal transients, power limitation with overtemperature shutdown, undervoltage shutdown, overvoltage clamp, and reverse battery protection.
- What is the limp home mode in the VNQ6040S-E?
The limp home mode is activated in case of loss of digital supply (VDD), reset of digital memory, or CSN monitoring time-out event, allowing the device to maintain a safe operational state.
- Is the VNQ6040S-E RoHS compliant?
Yes, the VNQ6040S-E is RoHS compliant with an Ecopack2 grade.
- What is the operating temperature range of the VNQ6040S-E?
The minimum operating temperature is -40°C, though the maximum operating temperature is not specified in the provided sources.
- What package type does the VNQ6040S-E use?
The VNQ6040S-E is packaged in a PowerSSO-36 format.
