Overview
The FAN73832MX_WS is a half-bridge gate-drive IC produced by onsemi, designed for driving MOSFETs and IGBTs that operate up to +600V. This IC features shutdown and programmable dead-time control functions, making it suitable for various high-voltage applications. The device utilizes onsemi’s high-voltage process and common-mode noise canceling technique to ensure stable operation under high dv/dt noise conditions. An advanced level-shift circuit allows high-side gate driver operation up to VS = -9.8V (typical) for VBS = 15V, enhancing its versatility in different configurations.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| VBS (High-side floating supply voltage) | -0.3 | 625 | V | |
| VDD (Low-side and logic-fixed supply voltage) | -0.3 | 25 | V | |
| VS (High-side offset voltage) | -9.8 | -7.0 | V | |
| IO+ (Output high short-circuit pulse current) | 250 | 350 | mA | |
| IO- (Output low short-circuit pulsed current) | 500 | 650 | mA | |
| tON (Turn-on propagation delay) | 580 | 730 | ns | |
| tOFF (Turn-off propagation delay) | 180 | 230 | ns | |
| DT1, DT2 (Dead-time) | 300 | 400 | 500 | ns (RDT = 20kΩ) |
| TJ (Junction temperature) | 150 | °C | ||
| TA (Ambient temperature) | -40 | 125 | °C |
Key Features
- High Voltage Operation: Supports operation up to +600V, making it suitable for high-voltage applications.
- Programmable Dead-Time: Allows for adjustable dead-time control using an external resistor, enhancing flexibility in various applications.
- Common-Mode Noise Canceling: Ensures stable operation of high-side drivers under high dv/dt noise conditions.
- Advanced Level-Shift Circuit: Enables high-side gate driver operation up to VS = -9.8V (typical) for VBS = 15V.
- Under-Voltage Lockout (UVLO): Prevents malfunction when VDD and VBS are lower than the specified threshold voltage.
- High Current Driving Capability: Output drivers source/sink 350mA/650mA, respectively, suitable for half and full bridge inverters.
Applications
- Switching Power Supplies (SMPS): Ideal for half and full bridge configurations in SMPS applications.
- Motor Drive Inverters: Used in DC motor drive applications requiring high-voltage and high-current driving capabilities.
- Fluorescent Lamp Ballast and HID Ballast: Suitable for lighting applications that require stable and efficient high-voltage operation.
- Industrial Applications: Applicable in various industrial settings where high-voltage gate driving is necessary.
Q & A
- What is the maximum operating voltage for the FAN73832MX_WS?
The FAN73832MX_WS operates up to +600V.
- What is the typical sourcing and sinking current of the output drivers?
The output drivers typically source 350mA and sink 650mA.
- How is the dead-time controlled in the FAN73832MX_WS?
The dead-time is controlled using an external resistor (RDT) connected to the DT/SD pin.
- What is the purpose of the UVLO circuit in the FAN73832MX_WS?
The UVLO circuit prevents malfunction when VDD and VBS are lower than the specified threshold voltage.
- What is the allowable negative VS pin voltage for signal propagation to the high side?
The allowable negative VS pin voltage is up to -9.8V (typical) for VBS = 15V.
- What are the typical turn-on and turn-off propagation delays?
The typical turn-on propagation delay is 730 ns, and the typical turn-off propagation delay is 230 ns.
- What is the junction temperature range for the FAN73832MX_WS?
The junction temperature range is up to 150°C.
- What are the common applications of the FAN73832MX_WS?
Common applications include SMPS, motor drive inverters, fluorescent lamp ballast, HID ballast, and other industrial applications.
- How does the common-mode noise canceling technique benefit the FAN73832MX_WS?
The common-mode noise canceling technique ensures stable operation of high-side drivers under high dv/dt noise conditions.
- What is the package type of the FAN73832MX_WS?
The package type is 8-SOIC.
