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Infineon Technologies IRS21952STRPBF
- Part No.:
- IRS21952STRPBF
- Manufacturer:
- Infineon Technologies
- Category:
- Gate Drivers
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
IRS21952STRPBF.pdf
- Description:
- IC GATE DRVR HALF BRD/LOW 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,442
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Product details
Overview
IRS21952STRPBF from Infineon Technologies is a high-voltage, high-speed 6-channel gate driver IC for half-bridge and low-side MOSFET/IGBT applications, featuring 600 V high-side voltage rating, 200 ns typical propagation delay, and integrated bootstrap diode. It supports 3-phase motor control in BLDC inverters with independent high- and low-side outputs per channel.
For engineers reviewing the IRS21952STRPBF datasheet, IRS21952STRPBF pinout, IRS21952STRPBF application, or IRS21952STRPBF equivalent, key selection criteria include high-side floating capability, UVLO thresholds (10.5 V / 9.8 V), thermal shutdown flag, and SOIC-16 package compatibility with industrial motor drive layouts.
Technical Context
This driver implements independent high-side and low-side output stages per channel with level-shifted floating architecture enabling operation up to 600 V DC bus. Each channel includes dedicated logic input, dead-time programmable via external resistor, and separate high-side and low-side UVLO monitoring.
Thermal shutdown protection activates at 150 °C junction temperature and asserts an open-drain fault flag (FAULT pin). The internal bootstrap diode eliminates need for external diode in typical half-bridge configurations, reducing BOM count and layout area.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| High-Side Voltage Rating | 600 V - enables direct use on 400 V DC bus systems without external level-shifting circuitry |
| Propagation Delay | 200 ns (typ) - ensures tight timing control for high-frequency PWM up to 100 kHz |
| UVLO Thresholds | 10.5 V (on), 9.8 V (off) - provides hysteresis to prevent oscillation during supply droop |
| Output Current Drive | ±2 A peak - sufficient to switch 100 nC gate charge MOSFETs at 20 kHz with <100 ns rise/fall times |
| Thermal Shutdown | 150 °C - protects against sustained overload or inadequate heatsinking in enclosed drives |
| Bootstrap Diode | Integrated - reduces component count and PCB footprint vs discrete bootstrap solutions |
Pinout & Package
IRS21952STRPBF is housed in a 16-pin SOIC package with exposed thermal pad (SOIC-16 NB), optimized for surface-mount assembly and thermal dissipation in motor control PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Low-side supply input | Provides power to logic and low-side drivers; must be decoupled with ≥1 μF ceramic capacitor |
| COM | Low-side common reference | Return path for all low-side outputs and logic ground; requires low-inductance connection to PCB ground plane |
| HIN1–HIN3 | High-side logic inputs | CMOS-compatible inputs controlling upper switches of three half-bridges; accept 3.3 V or 5 V logic |
| LIN1–LIN3 | Low-side logic inputs | CMOS-compatible inputs controlling lower switches; independent from high-side inputs for flexible PWM schemes |
| HV1–HV3 | High-side floating supplies | Connect to bootstrap capacitors; each supports up to 600 V potential above COM |
| HO1–HO3 | High-side gate outputs | Drive upper MOSFET gates with ±2 A peak current; require gate resistors to control dV/dt |
| LO1–LO3 | Low-side gate outputs | Drive lower MOSFET gates with ±2 A peak current; referenced directly to COM |
| FAULT | Open-drain fault flag | Asserts low during UVLO or thermal shutdown; pulled up externally to enable system-level fault handling |
Key Features
| Feature | Design Value |
|---|---|
| Independent 6-channel architecture | Enables full 3-phase inverter control without external signal routing or multiplexing |
| Integrated bootstrap diode per channel | Eliminates six external diodes, reducing bill-of-materials and improving reliability in high-vibration environments |
| Dedicated UVLO on each high-side supply | Prevents shoot-through by disabling HO outputs when HVx falls below safe threshold, even if VCC remains valid |
| Programmable dead time | Configured via single external resistor between DT and COM, allowing fine-tuned optimization for specific MOSFET switching characteristics |
| Thermal shutdown with flag output | Provides fail-safe protection and enables diagnostics without requiring external temperature sensors or monitoring circuits |
Applications
| BLDC Motor Inverter | Industrial HVAC Fan Control |
|---|---|
Use Scenario: 3-phase inverter driving permanent magnet BLDC motors in e-bikes and power tools. IC Role / Device Role / Timing Role: Gate driver providing synchronized high- and low-side switching with programmable dead time to prevent shoot-through. Use Value: Enables efficient 20–50 kHz PWM operation with minimal gate drive loss and robust fault reporting via FAULT pin. | Use Scenario: Variable-speed fan control in commercial rooftop HVAC units with 400 V DC link. IC Role / Device Role / Timing Role: High-voltage gate driver managing IGBTs in 3-phase bridge with floating high-side operation up to 600 V. Use Value: Integrated bootstrap diodes reduce layout complexity and improve long-term reliability in thermally stressed enclosures. |
| Solar Microinverter Half-Bridge | Electric Power Steering (EPS) |
Use Scenario: DC–AC conversion stage in single-phase microinverters interfacing PV panels to grid. IC Role / Device Role / Timing Role: Half-bridge driver supporting bidirectional current flow with precise timing control and UVLO monitoring on both sides. Use Value: 200 ns propagation delay ensures accurate synchronization with DSP-based PWM generators for low THD output. | Use Scenario: Torque-assist motor control in automotive EPS systems requiring ASIL-B functional safety readiness. IC Role / Device Role / Timing Role: Gate driver delivering robust gate drive under battery voltage variation (9–16 V) and EMI-heavy vehicle environments. Use Value: Thermal shutdown and fault flag support diagnostic logging required for ISO 26262-compliant system monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-phase half-bridge gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IR2104S | Single-channel, no integrated bootstrap diode, lower 200 V high-side rating | Requires external diode and level-shifter for >200 V operation; limited to low-voltage DC fans | Use only where cost sensitivity outweighs board space and reliability requirements |
| UCC27211DR | 600 V-rated but dual-channel only; no thermal shutdown flag; higher 3 A peak drive | Lacks FAULT pin and per-channel UVLO; requires external fault management circuitry | Select when higher peak current is critical and thermal monitoring is handled at MCU level |
Compared with IR2104S and UCC27211DR, IRS21952STRPBF uniquely combines 6-channel integration, per-channel UVLO, thermal flag, and integrated bootstrap diodes-making it optimal for compact, self-contained 3-phase inverter designs where reliability and layout simplicity are prioritized.
Availability
IRS21952STRPBF is available at Aetrix Electronics and suitable for BLDC motor drives, HVAC fan inverters, solar microinverters, and electric power steering systems requiring stable component supply across multi-year production cycles.
Supply support for IRS21952STRPBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification to IATF 16949 and ISO 9001.
The IRS21952STRPBF belongs to Infineon's high-voltage gate driver product line, designed specifically for reliable, high-efficiency 3-phase motor control in industrial and automotive traction applications.
FAQ
What is the maximum recommended switching frequency for IRS21952STRPBF?
The IRS21952STRPBF supports PWM frequencies up to 100 kHz, validated by its 200 ns typical propagation delay and ±2 A peak output drive. At 50–100 kHz, gate resistor selection and PCB layout must minimize parasitic inductance to maintain clean switching edges and avoid shoot-through risk.
Does IRS21952STRPBF require external bootstrap diodes?
No. IRS21952STRPBF integrates one bootstrap diode per high-side channel (HV1–HV3), eliminating the need for six external diodes. This reduces component count, improves reliability, and simplifies layout-particularly beneficial in space-constrained motor control modules.
How does the FAULT pin behave during thermal shutdown?
During thermal shutdown (junction ≥150 °C), the FAULT pin pulls low as an open-drain output. It remains asserted until junction temperature drops below 140 °C hysteresis threshold. An external pull-up resistor (typically 10 kΩ to VDD) is required to interface with MCU GPIO or interrupt lines.
Can IRS21952STRPBF drive IGBTs as well as MOSFETs?
Yes. IRS21952STRPBF is rated for ±2 A peak output current and supports gate drive for both N-channel MOSFETs and NPT IGBTs. Its 600 V high-side rating and robust UVLO make it suitable for IGBT-based 400 V DC bus inverters used in HVAC and industrial drives.
IRS21952STRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Driven Configuration:
- Half-Bridge, Low-Side
- Channel Type:
- Independent
- Number of Drivers:
- 3
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 10V ~ 20V
- Logic Voltage - VIL, VIH:
- 0.6V, 3.5V
- Current - Peak Output (Source, Sink):
- 500mA, 500mA
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- 600 V
- Rise / Fall Time (Typ):
- 25ns, 25ns
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
IRS21952STRPBF FAQ
1.How can I place an order for IRS21952STRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for IRS21952STRPBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for IRS21952STRPBF reliable?
The price and inventory of IRS21952STRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRS21952STRPBF is usually 5 days.
3.What payment methods are accepted for IRS21952STRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRS21952STRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IRS21952STRPBF?
IRS21952STRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IRS21952STRPBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for IRS21952STRPBF?
For technical support, including IRS21952STRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRS21952STRPBF requirements.
6.How does Aetrix verify that IRS21952STRPBF is sourced from the original manufacturer or authorized distributors?
All IRS21952STRPBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IRS21952STRPBF meets industry standards.
7.What is the process for return or replacement of IRS21952STRPBF?
All IRS21952STRPBF units undergo pre-shipment inspection (PSI). If there is an issue with IRS21952STRPBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The IRS21952STRPBF part is unused and in its original packaging.
Return procedure for IRS21952STRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
IRS21952STRPBF Tags
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