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Name: IR2127STRPBF
Brand: Infineon Technologies
SKU: IR2127STRPBF
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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Infineon Technologies IR2127STRPBF

Part No.:: IR2127STRPBF

Manufacturer:: Infineon Technologies

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

Datasheet:: IR2127STRPBF.pdf

Description:: IC GATE DRVR HI/LOW SIDE 8SOIC

In Stock:: 3257

Quantity:: Add To Cart

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IR2127STRPBF Typical application Circuitry

IR2127STRPBF

The IR2127STRPBF is a current-sensing single-channel high-side driver designed for driving MOSFETs and IGBTs in high-side configurations. This IC is particularly suited for applications requiring accurate current sensing and control, such as motor drives, inverter circuits, and switching power supplies.

Application Scenarios

The IR2127STRPBF is widely used in motor control circuits, specifically in brushless DC (BLDC) motor drivers, AC induction motor drives, and various types of inverters. Its high-side drive capability and integrated current-sensing feature make it ideal for these applications, providing efficient control and protection.

Parameter Features

Key features of the IR2127STRPBF include:

- Vcc Operating Range: It operates over a wide range of supply voltages, accommodating various application needs.

- Integrated Current Sensing: Features an on-chip current sensing circuit, which simplifies the design and reduces external component count.

- Under-Voltage Lockout (UVLO): Ensures the device operates only when the supply voltage is within the specified range, enhancing system reliability.

- Package: An 8-pin SOIC package, which is small and ideal for applications with limited space, is available.

Circuit Connection Example: BLDC Motor Driver

In a BLDC motor driver application, the IR2127STRPBF can be used to drive one of the high-side MOSFETs in a three-phase inverter circuit.

1. Vcc and Ground Connection:

- Vcc (pin 8): Connect to a stable 15V power supply, which is within the operating range of the IR2127STRPBF.

- Ground (pin 4): Connect to the system ground, providing a reference point for the operation.

2. Input Signal Connection:

- IN (pin 2): Connect to a PWM output from the motor control microcontroller. The high-side MOSFET's on/off status is managed by this signal.

3. Output of MOSFET Gate Drive:

- HO (pin 7): On one of the three-phase inverter legs, connect to the gate of the high-side N-channel MOSFET. This pin provides the gate drive signal.

4. Current Sensing Output:

- CS (pin 5): Connect to an external resistor to ground to set the current sensing threshold. The voltage across this resistor provides feedback to the control system about the motor current.

5. Bootstrap Diode and Capacitor:

- Connect a bootstrap diode between Vcc and VB (pin 6), and a bootstrap capacitor between VB and VS (pin 3). The required gate drive voltage is supplied by this setup, which is higher than the motor supply voltage.

Design Considerations

When designing a circuit with the IR2127STRPBF, several factors must be taken into account:

- Bootstrap Circuit Design: Ensure the bootstrap capacitor has sufficient capacity to maintain the gate drive voltage during the off periods of the high-side MOSFET.

- Dead Time Control: Implement dead time between the high-side and low-side drives to prevent shoot-through in the inverter circuit.

- Current Sensing Accuracy: Choose the external resistor for the current sensing circuit carefully to ensure accurate current measurement while minimizing power loss.

- Thermal Management: Consider the power dissipation in the IR2127STRPBF and the high-side MOSFET, and provide adequate cooling to maintain performance and reliability.

By integrating these considerations and utilizing the IR2127STRPBF in a BLDC motor driver circuit, designers can achieve efficient and precise motor control, enhancing the performance of a wide range of motor-driven applications.

IR2127STRPBF information

IR2127STRPBF Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
DrivenConfiguration:
High-Side or Low-Side
ChannelType:
Single
NumberofDrivers:
1
GateType:
IGBT, N-Channel MOSFET
Voltage-Supply:
12V ~ 20V
LogicVoltage-VILVIH:
0.8V, 3V
Current-PeakOutput(SourceSink):
250mA, 500mA
InputType:
Non-Inverting
HighSideVoltage-Max(Bootstrap):
600 V
Rise/FallTime(Typ):
80ns, 40ns
OperatingTemperature:
-40°C ~ 150°C (TJ)
MountingType:
Surface Mount

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6. What is the process for return or replacement of IR2127STRPBF?

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 IR2127STRPBF we delivered, we will accept the replacement or return of the IR2127STRPBF 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 IR2127STRPBF.

(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