Overview
The FAN7085MX-GF085 is a high-side gate driver IC designed by ON Semiconductor. This component is optimized for high voltage and high speed driving of MOSFETs or IGBTs, operating up to 300V. It features ON Semiconductor's high-voltage process and common-mode noise cancellation, ensuring stable operation under high-dV/dt noise conditions. The device is compatible with standard CMOS outputs and includes under-voltage lockout (UVLO) circuits to prevent malfunction when the supply voltages are below specified thresholds. It is available in a space-saving SOIC-8 package and includes a built-in recharge FET for bootstrap refresh, which is particularly useful in circuit topologies requiring switches on both the low and high sides of the load.
Key Specifications
| Parameter | Symbol | Min. | Max. | Unit | |
|---|---|---|---|---|---|
| High side floating supply voltage | VBS | -0.3 | - | 25 | V |
| High side driver output stage voltage | VB | -5 | - | 325 | V |
| High side floating supply offset voltage | Vs | -25 | - | 300 | V |
| Supply voltage | VCC | -0.3 | - | 25 | V |
| Input voltage for IN- | VIN | -0.3 | - | Vcc+0.3 | V |
| Input voltage for RESET- | VRES | -0.3 | - | Vcc+0.3 | V |
| Peak output source current | IO+ | 250 | 450 | - | mA |
| Peak output sink current | IO- | 250 | 450 | - | mA |
| Operating Temperature | Ta | -40 | - | 125 | °C |
Key Features
- Qualified to AEC Q100 standards.
- Floating channel designed for bootstrap operation, fully operational up to 300V.
- Tolerance to negative transient voltage on the VS pin.
- dv/dt immune.
- Gate drive supply range from 4.5V to 20V.
- Under-voltage lockout (UVLO) protection.
- CMOS Schmitt-triggered inputs with pull-down and pull-up.
- High side output out of phase with input (inverted input).
- Reset input.
- Internal recharge FET for bootstrap refresh.
Applications
- Diesel and gasoline injectors/valves.
- MOSFET and IGBT high side driver applications.
Q & A
- What is the maximum operating voltage of the FAN7085MX-GF085?
The FAN7085MX-GF085 can operate up to 300V.
- What is the purpose of the built-in recharge FET?
The built-in recharge FET is used for bootstrap refresh, which is essential in circuit topologies requiring switches on both the low and high sides of the load.
- What are the key protection features of this device?
The device includes under-voltage lockout (UVLO) protection and tolerance to negative transient voltage on the VS pin.
- What is the operating temperature range of the FAN7085MX-GF085?
The operating temperature range is from -40°C to 125°C.
- What is the package type of the FAN7085MX-GF085?
The device is available in a SOIC-8 package.
- What are the typical applications of the FAN7085MX-GF085?
Typical applications include diesel and gasoline injectors/valves and MOSFET and IGBT high side driver applications.
- What is the gate drive supply voltage range?
The gate drive supply voltage range is from 4.5V to 20V.
- Is the device dv/dt immune?
Yes, the device is dv/dt immune.
- What is the peak output source and sink current capability?
The peak output source and sink current capability is 250mA to 450mA.
- Is the device compatible with standard CMOS outputs?
Yes, the device is compatible with standard CMOS outputs.
