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Name: UCC27525D
Brand: Texas Instruments
SKU: UCC27525D
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 UCC27525D

Part No.:: UCC27525D

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: UCC27525D.pdf

Description:: IC GATE DRVR LOW-SIDE 8SOIC

In Stock:: 207

Quantity:: Add To Cart

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UCC27525D Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Active
DrivenConfiguration:
Low-Side
ChannelType:
Independent
NumberofDrivers:
2
GateType:
IGBT, N-Channel MOSFET
Voltage-Supply:
4.5V ~ 18V
LogicVoltage-VILVIH:
1V, 2.3V
Current-PeakOutput(SourceSink):
5A, 5A
InputType:
Inverting, Non-Inverting
HighSideVoltage-Max(Bootstrap):
-
Rise/FallTime(Typ):
7ns, 6ns
OperatingTemperature:
-40°C ~ 140°C (TJ)
MountingType:
Surface Mount

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UCC27525D information

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UCC27525D Typical application Circuitry

UCC27525D

The UCC27525D is a dual-channel gate driver chip designed to power IGBTs and MOSFETs in a range of applications. It is widely utilized in switch-mode power supplies, motor control circuits, and inverters.

Important characteristics:

- Dual-channel output capable of up to 5A of peak output current.

- Broad supply voltage range: 4.5–18 V.

- Fast propagation delays and rise/fall times for high-frequency operation.

- Independent input and output channels for flexible control.

Application Scenario: Half-Bridge Converter:

1. Input Connections: Connect the UCC27525D PWM control signals to the input pins (IN1 to pin 2 and IN2 to pin 6) for controlling the high-side and low-side MOSFETs.

2. Output Connections: Connect the outputs (OUT1 to pin 1 and OUT2 to pin 7) to the gates of the high-side and low-side MOSFETs in the half-bridge converter.

3. Bootstrap Circuit: Implement a bootstrap circuit with a diode and capacitor connected between VDD (pin 8), HB (pin 3), and the SW node to provide a floating supply for the high-side driver.

4. Power Supply: Apply a supply voltage within the specified range to VDD (pin 8) and connect GND (pin 4) to the system ground.

5. Enable Function: Use the enable pin (EN, pin 5) to enable or disable the driver outputs. Tie it high for normal operation or low to disable the outputs.

Considerations for Design:

- Modify the dead time between the high-side and low-side drivers (Dead Time Control) to prevent shoot-through.

- Position decoupling capacitors near the VDD and GND pins to ensure a steady supply voltage.

- Thermal Management: Consider heat dissipation for the UCC27525D, especially in high-frequency applications.

- Layout Considerations: Minimize the loop area between the driver, bootstrap circuit, and MOSFETs to reduce parasitic inductances.

In this half-bridge converter application, the UCC27525D effectively drives the high-side and low-side MOSFETs, enabling precise control of power conversion. The design considerations emphasize the importance of dead time control, supply voltage stability, thermal management, and layout optimization when using the UCC27525D in power electronics applications.

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6. What is the process for return or replacement of UCC27525D?

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 UCC27525D we delivered, we will accept the replacement or return of the UCC27525D 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 UCC27525D.

(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