Images are for reference only
L6491DTR
+BOMIC GATE DRVR HALF-BRIDGE 14SO
-
ManufacturerSTMicroelectronics
-
Mfr. Part #L6491DTR
-
Datasheet L6491DTR DataSheet
-
In Stock1789
365 Days Quality Guarantee
7*24 hours service quarantee
90-day after-sales guarantee
Genuine Product Guarantee
Specifications
| Attribute | Value |
| Part Status | Active |
| Base Product Number | L6491 |
| DigiKey Programmable | Not Verified |
| Driven Configuration | Half-Bridge |
| Channel Type | Independent |
| Gate Type | IGBT, MOSFET (N-Channel) |
| Voltage - Supply | 10V ~ 20V |
| Logic Voltage - VIL, VIH | 1.45V, 2V |
| Current - Peak Output (Source, Sink) | 4A, 4A |
| Input Type | Non-Inverting |
| Rise / Fall Time (Typ) | 15ns, 15ns |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SO |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| High Side Voltage - Max (Bootstrap) | 600 V |
Overview
Description
To learn more about this specific component, it is advisable to consult the manufacturer's datasheet, which will provide detailed specifications, features, applications, and electrical characteristics. The datasheet can often be found on the manufacturer's website or through electronic component distributors.
Understanding the function and applications of the L6491DTR will help in determining its utility in your project or system. Additionally, technical forums, online communities, and professional networks can be valuable resources for insights and advice from other engineers or enthusiasts who have experience with this specific component.
Equivalent
1. Infineon 1EDN8550B
2. Texas Instruments UCC27531
3. ON Semiconductor NCP81074
4. Microchip Technology MCP14A0152
These alternatives offer similar functionalities, but it's essential to compare specific parameters and compatibility with your application.
Features
1. High Voltage Range: Supports wide supply voltage range, suitable for various applications.
2. High Current Capability: Provides high output current to efficiently drive power transistors.
3. Bootstrap Diode: Integrated bootstrap diode for high-side driving, simplifying circuit design.
4. Under-Voltage Lockout (UVLO): Ensures safe operation by preventing gate driving under insufficient supply voltage.
5. Desaturation Detection: Offers protection against short-circuit conditions by monitoring voltage across the power device.
6. Advanced Protections: Includes features like thermal shutdown and fault signaling.
7. Adjustable Dead Time: Allows optimization of switching performance and reduction of shoot-through.
8. Low Propagation Delay: Ensures fast response times, critical for high-speed switching applications.
9. Compact Package: Available in a small, thermally efficient package for space-constrained designs.
These features make the L6491DTR suitable for a wide range of high-efficiency power conversion applications, including motor drives, power inverters, and switched-mode power supplies.
Pinout
Here is a brief description of its pin functions:
1. VCC: Supply voltage for the gate driver.
2. GND: Ground connection.
3. IN: Input signal pin; controls the gate driving.
4. HVG: High-voltage gate driver output.
5. OUT: Gate drive output; connected to the gate of the power transistor.
6. VBOOT: Bootstrap capacitor connection for high-side driving.
7. NC: Not connected; may serve other purposes in different configurations.
8. VDD: Logic supply voltage input.
The L6491DTR provides essential functions such as level shifting and high-speed signal driving, making it suitable for bridge configurations and motor control applications.
Manufacturer
Application
1. Power Supplies: Enhances efficiency in switched-mode power supplies (SMPS).
2. Motor Control: Drives and controls motors in various appliances and industrial equipment.
3. Inverters: Used in solar inverters and uninterruptible power supplies (UPS) for efficient energy conversion.
4. Lighting: Facilitates control in advanced lighting systems, such as LED drivers.
5. Industrial Automation: Supports automation systems requiring precise motor and actuator control.
6. Renewable Energy: Assists in managing power conversion in wind and solar power systems.
The L6491DTR's capability to drive both high-side and low-side MOSFETs or IGBTs makes it versatile across these applications.