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Name: FAN7385MX
Brand: ON Semiconductor
SKU: FAN7385MX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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ON Semiconductor FAN7385MX

Part No.:: FAN7385MX

Manufacturer:: ON Semiconductor

Package:: 14-SOIC (0.154, 3.90mm Width)

Datasheet:: FAN7385MX.pdf

Description:: IC GATE DRVR HIGH-SIDE 14SOP

In Stock:: 3469

Quantity:: Add To Cart

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FAN7385MX Typical application Circuitry

FAN7385MX

The FAN7385MX is a high-voltage, high-speed gate driver IC designed for driving N-channel MOSFETs and IGBTs. This IC is commonly utilized in applications requiring efficient and fast switching, such as motor drives, inverters, and power supplies.

Application Scenarios:

One typical application of the FAN7385MX is in three-phase motor drive systems, where it is used to control the high-speed switching of MOSFETs or IGBTs in the inverter stage, facilitating the conversion of DC to three-phase AC power.

Parameter Characteristics:

The FAN7385MX features include high output current capability, under-voltage lockout protection, and high-voltage tolerance, making it suitable for driving high-power and high-voltage switching devices.

Circuit Connection for a Three-Phase Motor Drive:

1. High-Side and Low-Side Driving: The FAN7385MX is capable of driving both the high-side and low-side switches in an inverter circuit. Connect the high-side outputs (HO1, HO2, HO3) of the FAN7385MX to the gates of the high-side MOSFETs or IGBTs and the low-side outputs (LO1, LO2, LO3) to the gates of the low-side switches.

2. Bootstrap Capacitors: For high-side gate driving, bootstrap capacitors are necessary. Connect a bootstrap capacitor between the VB1 (VB2, VB3) and VS1 (VS2, VS3) pins for each phase. This provides the necessary voltage for turning on the high-side switches.

3. Input Signals: Apply the control signals to the IN1, IN2, and IN3 pins of the FAN7385MX. These signals determine the switching of the MOSFETs or IGBTs in the inverter circuit, controlling the motor's speed and direction.

4. Power Supply and Grounding: Connect the VCC pin to a suitable positive voltage supply, and ensure all ground pins (COM) are properly connected to the circuit ground. Good grounding is essential to prevent noise and ensure stable operation.

Design Considerations:

1. Dead Time Control: To prevent shoot-through in the inverter, it's crucial to ensure there is adequate dead time between the turn-off of one switch and the turn-on of the complementary switch in each half-bridge. This can be managed by the timing of the input signals to the FAN7385MX.

2. Heat Dissipation: The FAN7385MX can generate significant heat during operation, especially at high frequencies or high output currents. Adequate heat sinking or cooling measures should be implemented to prevent overheating.

3. Bootstrap Capacitors: The size of the bootstrap capacitors should be chosen carefully to ensure they can provide sufficient charge to turn on the high-side drivers throughout the entire switching cycle, without causing the bootstrap voltage to drop below the under-voltage lockout threshold.

4. Layout Considerations: Minimize the loop area formed by the high-current paths to reduce electromagnetic interference (EMI). Careful PCB layout can also help to minimize the parasitic inductances and capacitances, which can affect the performance of the FAN7385MX and the overall circuit.

By addressing these considerations and properly connecting the FAN7385MX in a three-phase motor drive circuit, designers can achieve efficient and reliable control over high-power motors, leveraging the robust features of the FAN7385MX to optimize performance.

FAN7385MX information

FAN7385MX Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
DrivenConfiguration:
High-Side
ChannelType:
Independent
NumberofDrivers:
2
GateType:
IGBT, N-Channel MOSFET
Voltage-Supply:
10V ~ 20V
LogicVoltage-VILVIH:
1.3V, 2.5V
Current-PeakOutput(SourceSink):
350mA, 650mA
InputType:
Non-Inverting
HighSideVoltage-Max(Bootstrap):
600 V
Rise/FallTime(Typ):
50ns, 30ns
OperatingTemperature:
-40°C ~ 150°C (TJ)
MountingType:
Surface Mount

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6. What is the process for return or replacement of FAN7385MX?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the FAN7385MX we delivered, we will accept the replacement or return of the FAN7385MX only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of FAN7385MX.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations