Overview
The L6386D, manufactured by STMicroelectronics, is a high-voltage half-bridge driver IC designed to drive high and low-side power MOSFETs or IGBTs. This device is built using BCD (Bipolar-CMOS-DMOS) technology, enabling it to handle high voltage rails up to 600 V. The L6386D is particularly suited for applications requiring robust and reliable gate driving in various industrial and consumer environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Driven Configuration | Half-Bridge | |
| Channel Type | Independent | |
| Number of Drivers | 2 | |
| Gate Type | IGBT, N-Channel MOSFET | |
| Voltage - Supply | 17 | V |
| Logic Voltage - VIL, VIH | 1.5, 3.6 | V |
| Current - Peak Output (Source, Sink) | 400 mA, 650 mA | |
| High Side Voltage - Max (Bootstrap) | 600 | V |
| Rise / Fall Time (Typ) | 50 ns, 30 ns | |
| Operating Temperature | -40°C ~ 150°C (TJ) | |
| Mounting Type | Surface Mount | |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
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 ns rise/fall with 1 nF load
- CMOS/TTL Schmitt trigger inputs with hysteresis and pull-down
- Undervoltage lockout on lower and upper driving sections
- Integrated bootstrap diode
- Outputs in phase with inputs
- Diagnostic output for fault signaling
Applications
- Home appliances
- Induction heating
- Industrial applications and drives
- Motor drivers (SR, DC, AC, PMDC, and PMAC motors)
- Asymmetrical half-bridge topologies
- HVAC
- Lighting applications
- Factory automation
- Power supply systems
Q & A
- What is the maximum high-side voltage the L6386D can handle?
The L6386D can handle high-side voltages up to 600 V. - What is the peak output current capability of the L6386D?
The L6386D can source 400 mA and sink 650 mA. - What is the typical rise and fall time of the L6386D?
The typical rise time is 50 ns and the typical fall time is 30 ns. - What is the operating temperature range of the L6386D?
The operating temperature range is -40°C to 150°C (TJ). - What type of inputs does the L6386D have?
The L6386D has CMOS/TTL Schmitt trigger inputs with hysteresis and pull-down. - Does the L6386D have built-in protection features?
Yes, it includes undervoltage lockout on both supply voltages and a diagnostic output for fault signaling. - What is the package type of the L6386D?
The L6386D is available in a 14-SOIC package. - What are some common applications of the L6386D?
Common applications include home appliances, induction heating, industrial drives, motor drivers, and power supply systems. - Does the L6386D have an integrated bootstrap diode?
Yes, the L6386D has an integrated bootstrap diode. - How does the L6386D ensure dV/dt immunity?
The L6386D ensures dV/dt immunity of ± 50 V/nsec in the full temperature range.
