IR21271STR

Description：IC GATE DRVR HI/LOW SIDE 8SOIC
Series：-
Mfr：Infineon Technologies
Package：Tape & Reel (TR)

SKU:c5d61d540341 Category: Gate Drivers Brand: Infineon Technologies

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Product introduction

IR21271STR is listed in the Gate Driver range at ChipApex. The manufacturer field lists Infineon Technologies. Its product description is IC GATE DRVR HI/LOW SIDE 8SOIC. Review the specifications below when checking this part for your BOM.

Gate Driver specifications for IR21271STR

Description：IC GATE DRVR HI/LOW SIDE 8SOIC
Series：-
Mfr：Infineon Technologies
Package：Tape & Reel (TR)
Driven Configuration：High-Side or Low-Side
Channel Type：Single
Number of Drivers：1
Gate Type：IGBT, MOSFET (N-Channel)
Voltage - Supply：9V ~ 20V
Logic Voltage - VIL, VIH：0.8V, 3V
Current - Peak Output (Source, Sink)：250mA, 500mA
Input Type：Non-Inverting
Rise / Fall Time (Typ)：80ns, 40ns
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-
High Side Voltage - Max (Bootstrap)：600 V

Gate Driver datasheet and documents for IR21271STR

IR21271STR

Gate Driver Overview

The IR21271STR is a single-channel high-side gate driver IC from Infineon Technologies, designed for IGBT and MOSFET applications. It operates with a supply voltage range of 10 V to 20 V and delivers an output current of 290 mA. The device features propagation delays of up to 275 ns, with rise and fall times of 80 ns and 40 ns respectively. It is housed in an 8-SOIC package and supports surface-mount installation. The component is rated for operation between -40°C and +125°C, with a power dissipation of 625 mW.

Gate Driver Feature Summary

Integrated current sensing capability for fault detection
High-side topology suitable for floating loads
Functional junction isolation for level shifting

Gate Driver Applications

IGBT gate driving
MOSFET gate driving
Industrial motor control

Gate Driver Procurement Notes

Verify the specific suffix 'STR' against the manufacturer's official ordering guide to confirm packaging details such as reel specifications. Ensure compatibility with the required operating temperature range and voltage levels before integration. Cross-reference the part number with the latest datasheet revision to confirm availability status, as some variants may be obsolete or superseded by newer components.

Gate Driver Selection Notes

Select this component when a single-channel high-side driver with integrated current sensing is required. It is suitable for applications needing functional isolation and robust performance across industrial temperature ranges. Consider the 8-SOIC package constraints and ensure the PCB layout supports the necessary decoupling for stable operation within the specified voltage limits.

Gate Driver Part Context

The IR21271STR belongs to the IR2127 series of gate drivers from Infineon Technologies. This series includes variants like IRS21271S and IR21271SPBF, offering similar high-side driving capabilities. The STR suffix typically denotes a tape-and-reel packaging format, distinguishing it from tube-packaged versions while maintaining identical electrical characteristics.