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Name: CSD19538Q2
Brand: Texas Instruments
SKU: CSD19538Q2
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 CSD19538Q2

Part No.:: CSD19538Q2

Manufacturer:: Texas Instruments

Package:: 6-WSON (2x2)

Datasheet:: CSD19538Q2.pdf

Description:: MOSFET N-CH 100V 14.4A 6WSON

In Stock:: 2960

Quantity:: Add To Cart

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CSD19538Q2 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
NexFET™
ProductStatus:
Active
FETType:
N-Channel
Technology:
MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss):
100 V
Current-ContinuousDrain(Id)@25°C:
14.4A (Ta)
DriveVoltage(MaxRdsOnMinRdsOn):
6V, 10V
RdsOn(Max)@IdVgs:
59mOhm @ 5A, 10V
Vgs(th)(Max)@Id:
3.8V @ 250µA
GateCharge(Qg)(Max)@Vgs:
5.6 nC @ 10 V
Vgs(Max):
±20V
InputCapacitance(Ciss)(Max)@Vds:
454 pF @ 50 V
FETFeature:
-
PowerDissipation(Max):
2.5W (Ta), 20.2W (Tc)
OperatingTemperature:
-55°C ~ 150°C (TJ)
MountingType:
Surface Mount

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CSD19538Q2 information

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CSD19538Q2 Typical application Circuitry

CSD19538Q2

The CSD19538Q2 is a state-of-the-art N-channel MOSFET designed by Texas Instruments, aimed at high-efficiency power conversion applications. This component is notable for its low on-resistance, high thermal performance, and robustness in handling high currents, making it a preferred choice for power supply, motor control, and switching applications.

Application Scenarios:

The CSD19538Q2 is versatile, finding its place in DC-DC converters, synchronous buck converters, motor drives, and power management systems within automotive, industrial, and consumer electronics sectors.

Characteristic Parameters:

- Low On-Resistance (R_DS(on)): This parameter indicates minimal power loss during operation, contributing to higher efficiency in power conversion applications.

- High Current Capability: The CSD19538Q2 can handle high levels of continuous and pulsed currents, making it suitable for applications requiring high power density.

- Thermal Performance: With an enhanced package design for improved heat dissipation, the CSD19538Q2 operates reliably under high temperature and power conditions.

- Fast Switching Speeds: The device's fast switching capability reduces energy loss during state transitions, further enhancing the efficiency of power conversion systems.

Circuit Connection for a Synchronous Buck Converter:

1. Input Voltage Source Connection: Connect the source of the CSD19538Q2 to the ground and its drain to the inductor's one end, which is part of the output filtering stage. This setup forms the low-side switch of the buck converter.

2. High-Side Switch Integration: Pair the CSD19538Q2 with a high-side N-channel MOSFET. Connect the high-side MOSFET's drain to the input voltage and its source to the other end of the inductor, completing the primary power path.

3. Gate Drive Configuration: Utilize a dedicated driver IC to control the gates of both the high-side and low-side MOSFETs (including the CSD19538Q2). Make that the driver has enough voltage and current to completely activate the MOSFETs.

4. Bootstrap Circuit for High-Side Gate Drive: Implement a bootstrap circuit consisting of a diode and a capacitor to supply the gate drive voltage for the high-side MOSFET. This circuit is essential for ensuring that the high-side MOSFET can turn on effectively when the low-side MOSFET (the CSD19538Q2) is off.

5. Output Filtering and Feedback Loop: Connect a capacitor in parallel with the load at the output to filter out the ripple. Additionally, incorporate a feedback loop from the output to the PWM controller to regulate the output voltage, adjusting the duty cycle of the PWM signals accordingly.

Design Considerations:

- PCB Layout: Pay careful attention to the PCB layout, especially the placement and routing of the CSD19538Q2 and associated components. Minimize the loop area to reduce electromagnetic interference and ensure efficient switching.

- Thermal Management: Despite the CSD19538Q2's excellent thermal performance, additional heat sinking or airflow may be necessary in high-power applications to maintain optimal operating temperatures.

- safety Features: To avoid damaging the CSD19538Q2 and the circuit as a whole under unusual circumstances, implement the proper safety methods, such as over-current, over-temperature, and under-voltage lockout.

- Gate Drive Strength: Ensure the gate driver provides adequate drive strength to rapidly switch the CSD19538Q2, reducing transition losses and avoiding the risk of shoot-through in synchronous applications.

Incorporating the CSD19538Q2 into a synchronous buck converter highlights its efficiency and robustness in power conversion applications. By carefully addressing PCB layout, thermal management, and protection strategies, designers can leverage the CSD19538Q2's capabilities to develop high-performance power systems.

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

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