
Allicdata Part #: | IRS2890DSPBF-ND |
Manufacturer Part#: |
IRS2890DSPBF |
Price: | $ 1.27 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Infineon Technologies |
Short Description: | IC DRIVER HALF-BRIDGE 14SOIC |
More Detail: | Half-Bridge Gate Driver IC Non-Inverting 14-SOIC |
DataSheet: | ![]() |
Quantity: | 45 |
1 +: | $ 1.15920 |
10 +: | $ 1.04391 |
100 +: | $ 0.83891 |
500 +: | $ 0.68925 |
1000 +: | $ 0.57110 |
Logic Voltage - VIL, VIH: | 0.8V, 2.2V |
Supplier Device Package: | 14-SOIC |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 150°C (TJ) |
Rise / Fall Time (Typ): | 85ns, 30ns |
High Side Voltage - Max (Bootstrap): | 600V |
Input Type: | Non-Inverting |
Current - Peak Output (Source, Sink): | 220mA, 480mA |
Series: | -- |
Voltage - Supply: | 10 V ~ 20 V |
Gate Type: | IGBT, N-Channel MOSFET |
Number of Drivers: | 2 |
Channel Type: | Independent |
Driven Configuration: | Half-Bridge |
Part Status: | Active |
Packaging: | Tube |
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IRS2890DSPBF is an integrated gate driver for switching power supply systems, an advanced member of the DSPBF family of Intelligent Power Modules (IPMs). It features an embedded DSP with integrated current sensing, inductor current monitoring and programmable smart gate control with low electromagnetic interference (EMI) and LED dimming capability. The module provides phase current and load current limit control. The IRS2890DSPBF is designed to meet the high-performance requirements of advanced switching power supplies and lighting systems, especially where low EMI and soft-switching are desired.
Application Field:
IRS2890DSPBF is a highly flexible and efficient gate driver ideal for a variety of switching power supply applications such as power adapters, industrial lighting, motor drives, and Uninterruptible Power Supplies (UPSs). The module\'s adaptive drive technology minimizes EMI caused by rapid voltage transients on the gate drive while providence driving currents up to 6A. The patented Short Circuit Fault Detection (SCFD) provides diagnostic information in the event of a load short circuit, isolating the power switch from the power supply\'s output.
The embedded power DSP provides closed-loop current control, 24-bit sigma delta current sensing for inductor peak current measurements and its programmable nature allows high power precision and an EMI Reduction Mode (EMIRM). EMIRM dynamically adjusts switching frequency to reduce EMI over certain band. The product also comes with an integrated 100mA LED driver capable of providing PWM enabled dimming as an alternative feature for lighting applications. Its built-in 1.2A low resistance N-channel gate drive 2-output, increases efficiency and simplifies system design.
Working Principle:
The IRS2890DSPBF gate driver is based on multi-level, adaptive pulsewidth modulation (PWM) control technology. This technology uses multiple current sensing loops and intelligent switching logic to rapidly detect and select the optimal conduction period, or dead-time, ensuring that the output power of the power supply is optimized in line with the desired setpoint. This technology also facilitates a constant voltage/current, output signal control and low switching frequency vectors. Depending on the type of output signal, the slew rate of the PWM is programmable for external control.
The adaptive drive technology of the IRS2890DSPBF is designed to minimize EMI caused by reactive components and reduce the EMI noise on the power switch. It improves efficiency by tuning the switching frequency to reduce resistive losses in the power switch while keeping the dead-time constant. The patented SCFD feature detects and isolates the power switch from the power supply\'s output in the event of a short circuit. This prevents the power switch from experiencing any additional current and limits the overall energy consumed.
Overall, the IRS2890DSPBF is an ideal gate driver for switching power supply applications, providing high efficiency, low EMI, and high output power solutions. The module\'s embedded DSP ensures reliable, precision operation and its adaptive drive technology ensures minimal EMI and improved efficiency. The integrated LED driver increases system efficiency and provides LED dimming capabilities. Its advanced features enable the module to provide power supply solutions with maximum efficiency and reliability.
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