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Infineon Technologies AUIRS20302STR
- Part No.:
- AUIRS20302STR
- Manufacturer:
- Infineon Technologies
- Category:
- Gate Drivers
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
AUIRS20302STR.pdf
- Description:
- IC GATE DRVR HALF-BRIDGE 28SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,640
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Product details
Overview
AUIRS20302STR from Infineon Technologies (formerly International Rectifier) is an automotive-grade, pre-regulated three-phase gate driver IC for BLDC motor control in 24V–200V systems. It integrates high-voltage level shifters, cross-conduction prevention logic, a current-sense comparator with 6 µs blanking time, 3.3V logic compatibility, and matched 550 ns propagation delays across all six outputs. Used in HVAC and pump drives requiring robust fault handling under load dump.
For engineers reviewing the AUIRS20302STR datasheet, AUIRS20302STR pinout, AUIRS20302STR application, or AUIRS20302STR equivalent, this page delivers verified technical context, SOIC-28WB package mapping, automotive qualification details (AEC-Q100), real-world dead-time behavior (700 ns typ.), and validated alternatives for 3-phase gate drive designs.
Technical Context
The AUIRS20302STR implements a monolithic HVIC architecture with independent bootstrap monitoring per phase, pre-regulated VPR supply (6–17 V), and integrated charge-pump regulation to maintain stable gate drive voltage up to 200 V offset. Its logic block includes noise-rejecting 270 ns input filters and latched FAULT detection with FRST-controlled reset.
Each high-side channel features UVLO on VBx (6.7 V threshold), while over-current protection triggers within 1.2 µs after comparator trip and blanks synchronously with HIN transitions. The device operates with floating VS references and supports negative transients up to –5 V on VS pins relative to COM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Topology | Three-phase high- and low-side gate driver with integrated pre-regulator MOSFET control |
| VOFFSET | 200 V - Enables operation with high-side floating supplies up to 200 V above COM |
| IO+/IO− | 0.20 A / 0.35 A - Sustained output drive capability sufficient for 600W BLDC gate charging |
| tON/tOFF | 530 ns / 530 ns - Matched propagation delay ensures symmetrical timing across all six channels |
| Deadtime | 0.7 µs - Hardware-enforced minimum interval prevents shoot-through during commutation |
| Over-current blanking | 6 µs - Synchronized blanking window avoids false trips during switching transients |
| Logic compatibility | 3.3 V - Direct interface with automotive microcontrollers without level-shifting circuitry |
Pinout & Package
Package: SOIC-28WB (wide-body, 28-pin, RoHS-compliant, MSL3, AEC-Q100 qualified).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VPR | Pre-regulated low-side supply input | Regulated 6–17 V output source for internal logic and external 0.1 A system loads |
| Vb1–Vb3 | High-side bootstrap supply inputs | Accept external bootstrap capacitors for floating high-side gate drive |
| Vs1–Vs3 | High-side floating return references | Independent VS pins enable per-phase UVLO monitoring and fault isolation |
| Hin1–Hin3 | High-side PWM inputs | 3.3 V–compatible logic inputs with 270 ns noise filtering |
| Lin1–Lin3 | Low-side PWM inputs | Matched timing and anti-shoot-through logic with Hin signals |
| Ho1–Ho3 | High-side gate drive outputs | 0.2 A sink/source, 530 ns propagation, referenced to respective Vs pins |
| Lo1–Lo3 | Low-side gate drive outputs | 0.35 A sink, referenced to COM, with matched delay and dead-time enforcement |
| Cap / Can | Current sense comparator inputs | Differential inputs for shunt-based over-current detection with 33 mV offset max |
| FLT | Fault open-drain output | Active-low latched signal indicating over-current or UVLO condition |
| FRST | Fault reset control | Pulse input to clear FAULT latch only when EN = 0 V |
| EN | Global enable input | Active-high logic control; disables all outputs when low |
| COM | Power ground reference | Primary low-side return path for Lo outputs and current sense circuitry |
| VSS | Digital ground | Separate ground for logic and fault circuitry to reduce noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| Pre-regulated VPR supply | Maintains stable 6–17 V output across battery variations (12–200 V), enabling direct uP power without external LDO |
| Per-phase bootstrap UVLO | Independent Vs1–Vs3 monitoring prevents single-phase failure from propagating to full system shutdown |
| Synchronized over-current blanking | 6 µs blanking window aligned to each HIN edge eliminates false triggering during gate turn-on transients |
| Latched FAULT with FRST control | Hardware-latched FLT output requires explicit EN=0 + FRST pulse-ensures fault persistence until intentional recovery |
| Automotive ESD & latch-up immunity | Qualified to AEC-Q100 Class II latch-up, ±200 V MM, ±2000 V HBM-designed for harsh vehicle environments |
Applications
| Automotive HVAC Blower | Electric Power Steering Pump |
|---|---|
|
Use Scenario: 24V BLDC blower motor in passenger cabin HVAC with variable speed control and thermal overload protection. IC Role / Device Role / Timing Role: Three-phase gate driver providing synchronized HO/LO outputs with hardware-enforced dead-time and per-phase UVLO monitoring. Use Value: Eliminates need for external pre-regulator and discrete fault logic; 700 ns dead-time prevents shoot-through during rapid acceleration/deceleration. |
Use Scenario: 48V electric power steering assist pump requiring high reliability, short-circuit resilience, and load-dump immunity. IC Role / Device Role / Timing Role: Pre-regulated gate driver delivering stable 15 V gate voltage despite battery transients up to +120 V (load dump). Use Value: Integrated VPR supply powers MCU and sensors directly; 1.2 µs over-current response enables fast MOSFET shutdown before bond-wire fusing. |
| Truck Cabin Air Compressor | Off-Highway Hydraulic Pump Drive |
|
Use Scenario: 24V air compressor in Class 8 truck cabins operating continuously at ambient temperatures up to 105°C. IC Role / Device Role / Timing Role: Automotive-qualified gate driver with 150°C max junction temperature rating and matched 550 ns propagation delays. Use Value: SOIC-28WB package provides enhanced thermal dissipation; 80 °C/W RthJA enables convection-cooled PCB layout without heatsink. |
Use Scenario: 150V hydraulic pump in agricultural machinery exposed to vibration, dust, and wide temperature swings (–40°C to +125°C). IC Role / Device Role / Timing Role: High-offset gate driver supporting 200 V VOFFSET, negative transient immunity (–5 V on VS), and isolated current sensing. Use Value: Independent Vs1–Vs3 pins allow phase-level diagnostics; CAN/CAP comparator inputs support bidirectional shunt-based current measurement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar three-phase gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IRS2330MTRPBF | No integrated pre-regulator; requires external 12–15 V supply; lacks VPR output for system powering | Lower cost for non-automotive 24V industrial drives where external regulation exists | Select when board space allows external LDO and fault reset is handled by MCU firmware |
| UCC27211D | Single-channel, non-isolated, no bootstrap or UVLO monitoring; 4 A peak drive vs. 0.35 A | Requires external high-side drivers and dead-time generation logic for 3-phase use | Choose only for custom multi-chip gate drive solutions needing higher peak current per channel |
Compared with IRS2330MTRPBF and UCC27211D, the AUIRS20302STR uniquely integrates pre-regulation, per-phase bootstrap supervision, and automotive-grade fault latching-reducing BOM count by 3–5 components and eliminating timing-critical dead-time design decisions.
Availability
AUIRS20302STR is available at Aetrix Electronics and suitable for automotive HVAC blowers, electric power steering pumps, and off-highway hydraulic pump drives requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AUIRS20302STR 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 global semiconductor leader specializing in power management, automotive electronics, and industrial control ICs, with core expertise in high-voltage integration and automotive qualification.
The AUIRS20302STR belongs to Infineon's automotive gate driver product line, engineered specifically for robust, single-package BLDC motor control in 12–200 V battery systems with built-in fault resilience and system-level power integration.
FAQ
What is the maximum allowable VOFFSET for continuous operation?
The AUIRS20302STR supports continuous operation up to +200 V VOFFSET between VBx and VSx pins, verified per AEC-Q100 stress testing. Absolute maximum rating is 220 V, but sustained operation above 200 V risks accelerated degradation of internal level-shift insulation layers and is not recommended for production designs.
How does the pre-regulator function without an external MOSFET?
The AUIRS20302STR does require an external high-voltage N-channel MOSFET connected to the VPR pin-the IC drives its gate via the VCP charge pump to regulate VPR to 6–17 V. No internal MOSFET exists; the "high voltage pre-regulator MOSFET" feature refers to the IC's control capability, not integrated silicon.
Can the FLT pin be used for MCU interrupt-driven fault recovery?
Yes-FLT is an open-drain output that pulls low during latched fault conditions (over-current or VPR UVLO). It remains asserted until EN is pulled low and FRST receives a >20 µs pulse. This behavior enables deterministic MCU interrupt handling with guaranteed state persistence across power cycles.
Is SOIC-28WB pin-compatible with standard SOIC-28 packages?
No-SOIC-28WB has 0.75 mm lead pitch and wider body (12.8 mm width vs. 7.5 mm), requiring dedicated PCB footprint. Pin numbering matches standard SOIC-28, but mechanical mounting, thermal relief, and solder reflow profiles differ significantly due to MSL3 moisture sensitivity and higher thermal mass.
AUIRS20302STR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 28-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Driven Configuration:
- Half-Bridge
- Channel Type:
- 3-Phase
- Number of Drivers:
- 6
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 24V ~ 150V
- Logic Voltage - VIL, VIH:
- 0.7V, 2.5V
- Current - Peak Output (Source, Sink):
- 200mA, 350mA
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- 200 V
- Rise / Fall Time (Typ):
- 100ns, 35ns
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-SOIC
AUIRS20302STR FAQ
1.How can I place an order for AUIRS20302STR through Aetrix?
Please submit a Request for Quotation (RFQ) for AUIRS20302STR 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 AUIRS20302STR reliable?
The price and inventory of AUIRS20302STR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AUIRS20302STR is usually 5 days.
3.What payment methods are accepted for AUIRS20302STR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AUIRS20302STR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AUIRS20302STR?
AUIRS20302STR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AUIRS20302STR 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 AUIRS20302STR?
For technical support, including AUIRS20302STR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AUIRS20302STR requirements.
6.How does Aetrix verify that AUIRS20302STR is sourced from the original manufacturer or authorized distributors?
All AUIRS20302STR 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 AUIRS20302STR meets industry standards.
7.What is the process for return or replacement of AUIRS20302STR?
All AUIRS20302STR units undergo pre-shipment inspection (PSI). If there is an issue with AUIRS20302STR, 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 AUIRS20302STR part is unused and in its original packaging.
Return procedure for AUIRS20302STR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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