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STMicroelectronics MOSFET Gate Driver 4 A, 14-Pin SO-16, 20V L6491D
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 1.65mm |
| Length | 8.75mm |
| Model | L6491D |
| Width | 4mm |
| Mount Type | Surface |
| Series | L6491 |
| Output Current | 4A |
| Maximum Operating Temperature | 125°C |
| Package Type | SO-16 |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 5 |
| Rise Time | 40ns |
| Pin Count | 14 |
| Minimum Supply Voltage | 20V |
| Number of Drivers | 1 |
| Fall Time | 40ns |
| Driver Type | MOSFET |
| Driver current capability | 4 A source/sink |
Key Features
- Single-chip half-bridge gate driver for N-channel power MOSFET or IGBT.
- High-side floating section supports voltage rails up to 600 V.
- Logic inputs compatible with 3.3 V and 5 V CMOS/TTL for easy interfacing.
- Integrated comparator for fast protection against overcurrent and overtemperature.
- Features smart shutdown and interlocking functions to ensure safe operation.
- Compact SO-16 surface mount package with 14 pins and footprint optimized for PCB layouts.
- Operating temperature range from -40°C to 125°C suitable for industrial environments.
- Rise and fall times of 40 ns each enhance switching speed and efficiency.
Product Description
STMicroelectronics L6491D is a high voltage MOSFET gate driver designed for power management applications requiring robust control of N-channel power MOSFETs or IGBTs. Manufactured using BCD6 OFF-LINE technology, this single-chip device integrates a half-bridge driver featuring a high-side floating section capable of withstanding voltage rails up to 600 V.
The device provides a driver current capability of 4 A source/sink, ensuring efficient switching performance with fast rise and fall times of 40 ns each under a 1 nF load. Its logic inputs operate down to 3.3 V CMOS/TTL levels, facilitating seamless interfacing with microcontrollers and DSPs in industrial control systems.
An integrated comparator offers fast fault protection against overcurrent and overtemperature conditions, improving reliability. Additional features such as smart shutdown, adjustable deadtime, and interlocking functions enhance safety and ease in designing power circuits. The compact SO-16 surface mount package with 14 pins and small form factor (8.75 mm length, 4 mm width, 1.65 mm height) allows for simplified PCB layout and manufacturing.
This gate driver is ideal for motor control in home appliances, factory automation, industrial drives, fans, HID ballast applications, induction heating, wireless chargers, industrial inverters, and uninterruptible power supplies (UPS). It supports operation across a wide temperature range of -40 °C to 125 °C, meeting industrial standards.
Single-chip half-bridge driver for N-channel MOSFET/IGBT. Supports high voltage rail up to 600 V and dV/dt immunity ±50 V/ns. 4 A source/sink driver current with fast 40 ns breakout times. 3.3 V and 5 V TTL/CMOS compatible inputs with hysteresis.
Integrated fault protection comparator and smart shutdown. Compact SO-16 package, surface mount mounting type. Wide operating temperature from -40 °C to 125 °C. Suitable for motors, lighting ballasts, induction heating, and UPS applications.
Choose STMicroelectronics L6491D MOSFET Gate Driver for reliable, compact, and high-performance power switching in demanding industrial and commercial electronic control systems. Explore our full range of power management ICs for your design needs at EnvMart.
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Frequently Asked Questions
The L6491D supports voltage rails up to 600 V, making it suitable for high-voltage applications.
It has a driver current capability of 4 A for both sourcing and sinking, ensuring efficient switching performance.
This model has a length of 8.75 mm, a width of 4 mm, and a height of 1.65 mm, fitting into a compact SO-16 package.
The L6491D operates within a temperature range of -40 °C to 125 °C, suitable for industrial environments.
It is compatible with 3.3 V and 5 V CMOS/TTL logic inputs, allowing for easy interfacing with microcontrollers and DSPs.
The rise and fall times for this model are both 40 ns, enhancing switching speed and efficiency.
This model contains one driver, specifically designed for controlling N-channel MOSFETs or IGBTs.
It comes in a compact SO-16 surface mount package with 14 pins, optimized for PCB layouts.
Yes, it features an integrated comparator for fast protection against overcurrent and overtemperature conditions.
This gate driver is ideal for applications such as motor control, factory automation, and uninterruptible power supplies (UPS).
The minimum supply voltage for the L6491D is 20 V, which is necessary for its operation.
It includes smart shutdown, adjustable deadtime, and interlocking functions to enhance safety in power circuit designs.
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