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Name: UCC21520ADWR
Brand: Texas Instruments
SKU: UCC21520ADWR
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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Texas Instruments UCC21520ADWR

Part No.:: UCC21520ADWR

Manufacturer:: Texas Instruments

Package:: 16-SOIC (0.295, 7.50mm Width)

Datasheet:: UCC21520ADWR.pdf

Description:: DGTL ISO 5.7KV GATE DRVR 16SOIC

In Stock:: 2642

Quantity:: Add To Cart

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UCC21520ADWR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Technology:
Capacitive Coupling
NumberofChannels:
2
Voltage-Isolation:
5700Vrms
CommonModeTransientImmunity(Min):
100V/ns
PropagationDelaytpLH/tpHL(Max):
30ns, 30ns
PulseWidthDistortion(Max):
6ns
Rise/FallTime(Typ):
6ns, 7ns
Current-OutputHighLow:
4A, 6A
Current-PeakOutput:
-
Voltage-Forward(Vf)(Typ):
-
Current-DCForward(If)(Max):
-
Voltage-OutputSupply:
6.5V ~ 25V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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UCC21520ADWR information

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UCC21520ADWR Typical application Circuitry

UCC21520ADWR

The UCC21520ADWR is a high-speed, dual-channel, isolated gate driver designed for driving power semiconductors such as IGBTs and MOSFETs. It is widely used in applications like motor drives, power inverters, and switch-mode power supplies.

Key Features:

- 4A peak source and sink drive current.

- 5.7 kVrms isolation voltage.

- Propagation delay of 19 ns with 4 ns pulse width distortion.

- Separate input and output ground for noise immunity.

Application Scenario: Half-Bridge Inverter Circuit:

1. Input Signals: Connect the PWM signals from the control circuit to the input pins of the UCC21520ADWR (INA to pin 3 and INB to pin 11) for controlling the switching of the half-bridge.

2. Output Connection: Attach the output pins (OUTA to pin 6 and OUTB to pin 14) to the gates of the high-side and low-side MOSFETs in the inverter circuit.

3. Isolation: Ensure that the isolated ground (GND2, pin 8) is connected to the ground of the power stage, while the input ground (GND1, pin 5) is tied to the control circuit ground.

4. Power Supply: Apply a voltage within the specified range to the VCC1 pin (pin 1) for the input side and VCC2 pin (pin 16) for the output side.

5. Capacitors for decoupling: To reduce noise and stabilize the power supply, place capacitors close to the VCC1 and VCC2 pins.

Design Elements:

- Dead Time Management: Introduce a suitable amount of dead time between the high-side and low-side switches to prevent shoot-through.

- Isolation: To guarantee security and lessen noise coupling, keep the control side and power side appropriately isolated.

- Thermal Management: Be mindful of the UCC21520ADWR's heat dissipation, particularly while operating at high currents.

In the context of a half-bridge inverter circuit, the UCC21520ADWR serves as an efficient gate driver for the MOSFETs, enabling precise control of the inverter's output. When designing the circuit, it is essential to address issues like dead time control, isolation, and thermal management to leverage the full potential of the UCC21520ADWR in power conversion applications.

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6. What is the process for return or replacement of UCC21520ADWR?

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 UCC21520ADWR we delivered, we will accept the replacement or return of the UCC21520ADWR 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 UCC21520ADWR.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations