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Name: ADUM7223ACCZ
Brand: Analog Devices Inc.
SKU: ADUM7223ACCZ
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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Analog Devices Inc. ADUM7223ACCZ

Part No.:: ADUM7223ACCZ

Manufacturer:: Analog Devices Inc.

Package:: 13-VFLGA

Datasheet:: ADUM7223ACCZ.pdf

Description:: DGTL ISO 2.5KV GATE DRIVER 13LGA

In Stock:: 2704

Quantity:: Add To Cart

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ADUM7223ACCZ Typical application Circuitry

ADUM7223ACCZ

The ADuM7223ACCZ is part of the ADuM7223 series, which is a family of isolated, half-bridge gate drivers developed by Analog Devices. This series is known for incorporating Analog Devices' proprietary iCoupler® technology to provide reliable galvanic isolation between the input control signals and the output gate drive signals. The ADuM7223 series is designed to drive high-power switching transistors in applications such as motor control, power supply units, and inverter systems, where efficient and isolated gate control is crucial.

1. Power Supply Inputs (VDD1, GND1, VDD2, GND2): The ADuM7223ACCZ requires two separate power supplies: one for the input side (VDD1 and GND1) and one for the isolated output side (VDD2 and GND2). These supplies typically range from 3.0V to 5.5V. It is critical to provide stable power to both sides to ensure reliable operation. Decoupling capacitors should be placed near the VDD1, VDD2, GND1, and GND2 pins to minimize supply noise.

2. Input Control Signals (IN_A, IN_B): The device features two input pins, IN_A and IN_B, which accept TTL or CMOS level control signals. On the output side, these inputs regulate the isolated gate drivers' state. Ensuring clean and noise-free signals at these inputs is essential for accurate gate driving.

3. Isolated Gate Drive Outputs (OUT_A, OUT_B, GNDA, GNDB): The ADuM7223ACCZ provides two isolated gate drive outputs, OUT_A and OUT_B, along with isolated grounds GNDA and GNDB for each output. These outputs are designed to connect directly to the gates of high-power transistors, such as IGBTs or MOSFETs, providing the necessary drive voltage and current. Proper layout and short connections are recommended to minimize parasitic inductance and ensure fast and efficient switching.

4. Dead-Time Control (DT): An integrated dead-time control feature is available through the DT pin, which prevents both outputs from being on simultaneously, avoiding potential shoot-through conditions in the half-bridge configuration. By attaching a resistor to the DT pin and adjusting the dead-time, the duration of the dead-time is determined by the resistor's exact value.

5. Fault and Ready Indicators (FLT, RDY): The FLT (fault) output signals the occurrence of an under-voltage lockout or other fault conditions, while the RDY (ready) output indicates when the device is operational and the outputs are not in a high-impedance state. For status indication, these pins can be linked to the control system or LEDs.

6. PCB Layout Considerations: Careful PCB layout is crucial to maximize the performance of the ADuM7223ACCZ. Key considerations include maintaining physical separation between input and output sides for isolation, minimizing loop areas for the gate drive paths to reduce inductance, and ensuring robust ground connections for the isolated grounds.

7. Thermal Management: Given the power levels involved in driving high-power transistors, thermal management may be necessary to maintain the ADuM7223ACCZ within its operating temperature range. This can involve using heat sinks or designing the PCB to enhance heat dissipation.

8. Isolation and Safety: The ADuM7223ACCZ provides galvanic isolation between the input and output sides, enhancing system safety. Ensuring that the layout adheres to applicable safety standards for clearance and creepage distances is essential for maintaining the isolation integrity.

Integrating the ADuM7223ACCZ into a system involves detailed attention to power supply connections, clean and accurate input signal routing, careful design of the gate drive output connections, and consideration of dead-time control, along with stringent PCB layout practices to uphold signal integrity, isolation, and thermal management. By following these guidelines, the ADuM7223ACCZ can be effectively utilized in various high-power switching applications where isolated gate driving is paramount.

ADUM7223ACCZ information

ADUM7223ACCZ Specifications

Packaging:
Tray
Series:
iCoupler®
ProductStatus:
Active
Technology:
Magnetic Coupling
NumberofChannels:
2
Voltage-Isolation:
2500Vrms
CommonModeTransientImmunity(Min):
50kV/µs
PropagationDelaytpLH/tpHL(Max):
68ns, 68ns
PulseWidthDistortion(Max):
-
Rise/FallTime(Typ):
12ns, 12ns
Current-OutputHighLow:
-
Current-PeakOutput:
4A
Voltage-Forward(Vf)(Typ):
-
Current-DCForward(If)(Max):
-
Voltage-OutputSupply:
4.5V ~ 18V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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6. What is the process for return or replacement of ADUM7223ACCZ?

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 ADUM7223ACCZ we delivered, we will accept the replacement or return of the ADUM7223ACCZ 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 ADUM7223ACCZ.

(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