Overview
The L6386AD is a high-voltage gate driver manufactured by STMicroelectronics using BCD™ “offline” technology. This device is capable of driving simultaneously one high and one low-side power MOSFET or IGBT. The high-side (floating) section can operate with a voltage rail up to 600 V, making it suitable for various high-voltage applications. The L6386AD features dual outputs that can independently sink and source currents of 650 mA and 400 mA, respectively, and can be driven high to support asymmetrical half-bridge configurations. The device includes CMOS/TTL compatible logic inputs for easy interfacing with controlling devices and integrates several protection features such as undervoltage lockout and a diagnostic output for fault detection.
Key Specifications
| Configuration | High and Low Side |
|---|---|
| No of Outputs | Dual |
| Peak Output Current | 650 mA sink, 400 mA source |
| Supply Voltage-Max | 17 V |
| Package Style | SOIC-14 |
| Mounting Method | Surface Mount |
| High-Side Voltage Rail | Up to 600 V |
| dV/dt Immunity | ±50 V/nsec in full temperature range |
| Switching Times | 50/30 nsec rise/fall with 1 nF load |
Key Features
- High voltage rail up to 600 V
- dV/dt immunity ±50 V/nsec in full temperature range
- Driver current capability: 400 mA source, 650 mA sink
- Switching times: 50/30 nsec rise/fall with 1 nF load
- CMOS/TTL Schmitt trigger inputs with hysteresis and pull-down
- Undervoltage lockout on lower and upper driving section
- Integrated bootstrap diode
- Outputs in phase with inputs
- Diagnostic output for fault detection
Applications
- Home appliances
- Industrial applications and drives
- Motor drivers (SR motors, DC, AC, PMDC and PMAC motors)
- Asymmetrical half-bridge topologies
- HVAC and lighting applications
- Factory automation
- Power supply systems
- Induction heating
Q & A
- What is the L6386AD used for? The L6386AD is a high-voltage gate driver used to drive power MOSFETs or IGBTs in high-voltage applications.
- What is the maximum voltage rail for the high-side section? The high-side section can operate with a voltage rail up to 600 V.
- What are the output current capabilities of the L6386AD? The device can source 400 mA and sink 650 mA.
- What type of logic inputs does the L6386AD have? The L6386AD has CMOS/TTL compatible logic inputs.
- Does the L6386AD have any built-in protection features? Yes, it includes undervoltage lockout on both supply voltages and a diagnostic output for fault detection.
- What is the switching time of the L6386AD with a 1 nF load? The switching times are 50/30 nsec rise/fall with a 1 nF load.
- What package styles are available for the L6386AD? The device is available in SOIC-14 package, in tube, and tape and reel packaging.
- What is the dV/dt immunity of the L6386AD? The dV/dt immunity is ±50 V/nsec in the full temperature range.
- Does the L6386AD have an integrated bootstrap diode? Yes, it has an integrated bootstrap diode.
- What are some common applications of the L6386AD? Common applications include home appliances, industrial drives, motor drivers, HVAC, and power supply systems.
