FAN7842MX

Name: FAN7842MX
Brand: Onsemi
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

With advanced supervisory technology, this IC ensures reliable operation of power systems."

6,781 Effective Inventory

FAN7842MX

Effective Inventory6,781

With advanced supervisory technology, this IC ensures reliable operation of power systems."

Manufacturer Part # : FAN7842MX
Package/Case: SOIC-8
Part Status : Active
Brand: Onsemi
Product Categories : Gate Drivers
Series : FAN7842

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FAN7842MX DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.824	$0.82
10	$0.670	$6.70
30	$0.595	$17.85
100	$0.518	$51.80
500	$0.474	$237.00
1000	$0.449	$449.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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FAN7842MX Details

The FAN7842MX is a high-performance half-bridge gate driver IC from Fairchild Semiconductor, designed for driving N-channel power MOSFETs in various power electronic applications. This driver offers a robust and efficient solution for controlling power switches in high-frequency switching circuits. It features a dual complementary output configuration, integrated bootstrap diode, and undervoltage lockout protection.

Pinout

1 (HO): High-Side Output
2 (HS): High-Side Floating Supply Voltage
3 (VB): Bootstrap Voltage Supply
4 (VS): High-Side Floating Return
5 (LO): Low-Side Output
6 (GND): Ground
7 (VCC): Low-Side Supply Voltage
8 (VIN): Input Signal

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High Output Current: Capable of driving high-current MOSFETs for power applications.
Integrated Bootstrap Diode: Simplifies the bootstrap circuitry, reducing external component count.
Undervoltage Lockout: Ensures proper device operation under low supply voltage conditions.
Dual Output Configuration: Provides independent high-side and low-side outputs for efficient switching control.
Wide Operating Voltage Range: Supports a wide supply voltage range for versatile application compatibility.

Application

Switch Mode Power Supplies: Ideal for driving power MOSFETs in switch mode power supply designs.
Inverters: Used in inverter circuits for controlling power switches in motor drive systems.
Electronic Ballasts: Suitable for electronic ballast applications requiring efficient power control.

How to Use

Connect the FAN7842MX to your power circuit by following the pinout connections and ensuring proper supply voltage levels. Utilize the high-side and low-side outputs to drive the corresponding MOSFETs efficiently. Take into account the bootstrap voltage requirements and consider layout guidelines for optimal performance. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the FAN7842MX illustrates how to connect the gate driver to power MOSFETs in a half-bridge configuration. It includes connections for power supplies, input signals, and output drives, ensuring proper switching operation.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

IR2104: A similar high-performance half-bridge gate driver with comparable features.
HCPL-3120: An alternative gate driver IC offering similar functionality for power applications.

Complementary

The FAN7842MX can be complemented by the FAN7842MR, a variant with enhanced features for specific high-frequency applications requiring advanced switching capabilities.

When selecting complementary gate drivers, ensure compatibility with the desired power MOSFETs and operating conditions for optimal performance.

Frequently Asked Questions

Q: What is the maximum output current capability of the FAN7842MX?

A: The FAN7842MX is capable of driving high output currents suitable for power applications. For detailed specifications, refer to the datasheet for specific operating conditions.

Q: Can the FAN7842MX be used in high-frequency switching applications?

A: Yes, the FAN7842MX is designed for efficient high-frequency switching control, making it suitable for applications requiring fast and reliable power switching.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Status	Active	Compliance	PbAHP
Package Type	SOIC-8	Case Outline	751EG
MSL Type	1	MSL Temp (°C)	260
Container Type	REEL	Container Qty.	3000
ON Target	Y	Power Switch	MOSFET / IGBT
Number of Outputs	2	Topology	High-Low
Isolation Type	Junction Isolation	Vin Max (V)	225
VCC Max (V)	25	Rise Time (ns)	60
Fall Time (ns)	30	Drive Source Current Typ (A)	0.35
Drive Sink Current Typ (A)	0.65	Turn On Prop. Delay Typ (ns)	170
Turn Off Prop. Delay Typ (ns)	200	Delay Matching	50
Pricing ($/Unit)	$0.4517Sample

FAQs

What is FAN7842MX?

The FAN7842MX is a dual high-speed gate driver IC (Integrated Circuit) designed by Fairchild Semiconductor. It is specifically developed for driving power MOSFETs and IGBTs (Insulated Gate Bipolar Transistors) in high-power applications such as motor control, power supplies, and inverters.

How Does FAN7842MX Work?

The FAN7842MX operates by converting low-power input signals into high-power output signals to drive the gates of power transistors efficiently. It features a high-speed, high-current output stage for rapid switching of the power devices, ensuring precise control and minimal switching losses.

How Many Pins does FAN7842MX have and What are the Functions of the Pinout Configuration?

The FAN7842MX is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC1, VCC2: Power supply pins for the two drivers.
IN1, IN2: Logic input pins for the two drivers.
SD1, SD2: Shutdown input pins for the two drivers.
OUT1, OUT2: Output pins to connect to the gates of power transistors.
COM1, COM2: Common pins for each driver output.
VCC: Logic power supply pin.
COM: Common connection for the logic inputs.

What are the Pros and Cons of FAN7842MX?

Pros:

High-Speed Operation: Enables fast switching of power transistors, suitable for high-frequency applications.
High Output Current: Capable of driving large gate capacitances for power devices.
Wide Voltage Range: Supports a wide voltage range for versatile application compatibility.
Integrated Protection Features: Includes overcurrent protection and shutdown functionalities for device and circuit protection.

Cons:

Complexity: Requires understanding of gate driver circuitry for optimal performance.
External Components: May need external components such as bootstrap capacitors depending on the application.
Heat Dissipation: High-speed switching can generate heat that needs to be managed properly.

Are There Any Equivalents/Alternatives to FAN7842MX for Recommendation?

The IRS2104 from Infineon is a similar dual high-speed gate driver IC for power electronics applications.
Alternatives to the FAN7842MX include the Si823Hx series from Silicon Labs and the HIP4081A from Renesas Electronics.