IRS2052MTRPBF - 2-Ch 200V Class D Audio Driver | Infineon
MPN： IRS2052MTRPBF ✓ 啟用中IRS2052MTRPBF 概覽
A Class D audio amplifier is a switching amplifier topology that uses pulse-width modulation (PWM) to drive the output stage fully on or fully off, dramatically reducing power dissipation compared to a linear (Class A/B) amplifier. The IRS2052M occupies the 'controller + gate driver' layer of the audio amplifier hierarchy (Class D controller -> audio amplifier -> amplifier IC -> signal chain IC -> semiconductor), making it the brain and gate-drive interface between the analog audio front end and the high-current MOSFET output stage.
Key features include a 200 V high-voltage rating (suitable for ±100 V rails), programmable dead-time, integrated over-current and over-temperature protection, clipping detection output for dynamic speaker management, and a versatile shutdown control that supports latched, non-latched, or host-controlled modes. The IRS2052M operates from a logic supply and a high-voltage bootstrap supply, enabling self-powered gate drive for the high-side MOSFETs of each half-bridge.
The device integrates proprietary PWM modulation with adjustable switching frequency (typically 400 kHz to 800 kHz range) to balance audio band noise rejection against switching losses. An external thermal sensor input allows system-level thermal monitoring beyond the on-chip thermal shutdown, critical in space-constrained multi-channel amplifiers and automotive audio systems.
Typical applications include powered subwoofers, home theater receivers, automotive head units and external amplifiers, professional powered speakers, and marine/PA systems. Its 200 V rating enables high-power designs (several hundred watts per channel) with appropriate output MOSFET selection and output filter design.
When designing with the IRS2052M, prioritize gate-drive loop layout to minimize parasitic inductance on the high-current path, and carefully select bootstrap capacitor values based on switching frequency and high-side MOSFET gate charge. Always pair the IRS2052M with logic-level or standard-threshold MOSFETs whose total gate charge supports the programmed switching frequency without exceeding the IC's drive capability.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 IRS2052MTRPBF — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： IRS2052MTRPBF （相同外形與佔位） — 差異在於 Package, RoHS Status, Number of Channels, Topology, Function.
IRS2053MTRPBF
✅ 直接替換聯絡詢價
查看資料表 →IRS2334MTRPBF
✅ 直接替換聯絡詢價
查看資料表 →IRS20752LTRPBF
✅ 直接替換聯絡詢價
查看資料表 →IRS2453DSTRPBF
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →IR38062MTRPBF
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →IRS2052MTRPBF 最大額定值與電氣特性
| Manufacturer | Infineon Technologies |
| Part Number | IRS2052MTRPBF |
| Product Type | Class D Audio Amplifier Driver IC |
| Number of Channels | 2 (Stereo) |
| Audio Input Type | Analog |
| 輸出配置 | Half-bridge / BTL (external MOSFETs) |
| High Voltage Rating | 200 V |
| 封裝 | 48-MLPQ (7x7 mm) |
| 安裝類型 | Surface Mount |
| PWM Modulator | Integrated |
| Dead-Time Control | Programmable |
| Protection Features | OCP, OTP, UVLO, clipping detection |
| Shutdown Modes | Latched / non-latched / host-controlled |
| 工作溫度 | -40 C to +125 C (junction) |
| RoHS 狀態 | Compliant |
| Tape & Reel Qty | 3000 pcs |
IRS2052MTRPBF 48-mlpq (7x7 mm) 腳位配置指南
IRS2052MTRPBF（48-mlpq (7x7 mm) 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： IRS2052MTRPBF.
請參閱 資料表 以查看完整腳位配置。
典型應用
IRS2052MTRPBF 適用於 6 應用s: Powered Subwoofer Amplifiers, Home Theater Receivers, Automotive Audio Amplifiers, Professional Powered Speakers, Marine and Outdoor Audio Systems, Studio Monitor Amplifiers.
Powered Subwoofer Amplifiers
The IRS2052MTRPBF is well-suited to powered subwoofer designs in mono BTL or single-channel configurations, where its 200 V high-voltage rating supports several-hundred-watt output levels from a single IC. The integrated PWM modulator and programmable dead-time minimize crossover distortion while the over-current protection prevents MOSFET damage during high-excursion bass transients. Pair the IRS2052M with appropriately rated N-channel MOSFETs and an LC output filter tuned below 200 Hz to extract clean, low-distortion sub-bass. The selectable shutdown mode (latched vs auto-retry) lets designers balance speaker protection against nuisance shutdowns during dynamic program material.
推薦
Home Theater Receivers
Multi-channel home theater amplifiers benefit from the IRS2052MTRPBF's two-channel-per-IC density, allowing 5.1 or 7.1 receivers to use multiple IRS2052M ICs in parallel with shared logic supply and individual high-voltage rails per channel. Each channel pair can be configured as stereo, BTL mono, or parallel BTL for higher power. The on-chip clipping detection output feeds back to the receiver DSP, enabling real-time dynamic range control without separate envelope detectors. This reduces BOM cost and PCB area compared to discrete Class D controllers with external clipping circuits.
推薦
Automotive Audio Amplifiers
In automotive head units and external amplifiers, the IRS2052MTRPBF's wide operating temperature range and high-voltage tolerance address 12 V / 24 V vehicle electrical environments with load-dump transients. The 200 V rating provides substantial headroom for high-power subwoofers commonly fitted in premium car audio systems. The external thermal sensor input allows mounting a thermistor on the heatsink or chassis for system-level thermal management beyond the IC's own junction temperature monitoring. Designers must still validate AEC-Q100 compliance at the system level; the IRS2052MTRPBF itself targets industrial/commercial audio.
推薦
Professional Powered Speakers
Active two-way and three-way PA speakers use the IRS2052MTRPBF to drive separate woofer and midrange/tweeter channels with high efficiency, reducing heatsinking requirements compared to Class A/B designs. The integrated protection suite (OCP, OTP, UVLO, clipping detection) prevents speaker damage during clipping or thermal overload at concert-level SPLs. The programmable switching frequency lets designers tune above the AM broadcast band to avoid RF interference, while still maintaining low EMI through careful PCB layout. A typical 2x500W PA cabinet design uses one IRS2052M per stereo channel pair.
推薦
Marine and Outdoor Audio Systems
Marine amplifiers face harsh humidity, vibration, and 12 V battery-rail transients, making the IRS2052MTRPBF's high-voltage tolerance and protection suite particularly valuable. Two IRS2052M ICs can drive a 4-channel amplifier (front left/right, rear left/right) with individual clipping and thermal monitoring per channel pair. The MLPQ package's exposed thermal pad enables direct PCB thermal coupling to chassis-mounted heatsinks, critical in sealed marine enclosures. The 200 V rating also protects against alternator load-dump events that exceed typical automotive transients.
推薦
Studio Monitor Amplifiers
Near-field and main studio monitors demand ultra-low distortion and flat frequency response, both of which the IRS2052MTRPBF supports through its programmable dead-time (minimizing crossover distortion) and high PSRR analog front end. The integrated clipping detection allows a digital signal processor to implement look-ahead limiters that prevent audible clipping artifacts during mix playback. By switching the Class D output stage at 400-800 kHz, designers can use small output filter inductors while keeping switching noise well above the audio band. This produces transparent amplification essential for mastering-grade monitoring.
推薦
推薦產品摘要
工程參考資料，適用於 IRS2052MTRPBF — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | IRS2053MTRPBF | IRS2334MTRPBF | IRS20752LTRPBF | IRS2453DSTRPBF | IR38062MTRPBF |
|---|---|---|---|---|---|---|
| Package | 48-MLPQ (7x7 mm) | 48-MLPQ (7x7 mm) - same | 48-MLPQ (7x7 mm) - same | 48-MLPQ (7x7 mm) - same | 48-MLPQ (7x7 mm) - same | 48-MLPQ (7x7 mm) - same |
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Channels | 2 (Stereo) | 3 (2.1) | 3-phase | 1 half-bridge | 2 (Stereo) | 1 (Buck) |
| High-Voltage Rating | 200 V | 200 V | 600 V | 200 V | 200 V | 30 V |
| Function | Class D audio driver | Class D audio driver | 3-phase gate driver | Half-bridge gate driver | Class D audio driver | DC-DC buck regulator |
| PWM Modulator | Integrated (analog) | Integrated (analog) | External | External | Integrated (analog) | N/A |
| Clipping Detection | Yes | Yes | No | No | Yes | N/A |
主要差異化特點
- Integrated analog PWM modulator for both channels (對比IRS2334MTRPBF)
- Stereo (2-ch) integration in single IC (對比IRS2092SPBF)
- Clipping detection output for DSP-driven speaker protection (對比IRS20752LTRPBF)
設計說明
Place the bootstrap capacitors (VB-VS) as close as possible to the IRS2052MTRPBF pins to minimize high-side gate-drive parasitic inductance. Use 100 nF to 470 nF X7R ceramic capacitors rated for the high-voltage bus, and size them according to the total gate charge Qg of the high-side MOSFET at the programmed switching frequency. Estimated: Qg_total × VDD / fsw × 0.1 should yield a ripple voltage below 5% of VDD. The exposed thermal pad must be soldered to a continuous ground plane with thermal vias for adequate heat dissipation.
Do not connect the audio input directly to a single-ended source without AC-coupling — the IRS2052MTRPBF inputs are biased at a common-mode voltage that must be preserved through the input network. Failing to provide adequate input impedance (typically 10 kΩ to 47 kΩ) will distort the analog front-end common-mode and degrade THD. Always populate the dead-time programming resistor; leaving it floating or at 0 Ω risks shoot-through in the output half-bridge, destroying the MOSFETs within seconds.
Keep the high-current output loop (HS MOSFET, low-side MOSFET, and output filter inductor) as compact as possible to minimize radiated EMI. The audio input traces should be routed away from the switching node and the gate-drive traces to avoid capacitive coupling of switching noise into the audio path. A star-ground topology with separate analog and power grounds joined at the IRS2052MTRPBF ground pin reduces ground-loop noise. Keep the output LC filter capacitors' ground returns short to the same power ground reference used by the high-side/low-side MOSFETs.
Estimated: at 2x500 W output into 4 Ω with 90% Class D efficiency, the IRS2052MTRPBF itself dissipates approximately 1-2 W (mostly gate-drive losses), but the external MOSFETs dissipate 50-100 W. The 48-MLPQ package can handle this gate-driver dissipation comfortably with 1 sq inch of copper pour on a 2-layer board. For the MOSFET heatsink, use forced-air cooling above 300 W per channel. The on-chip thermal shutdown plus external sensor input provides redundant protection against heatsink-to-ambient thermal runaway.
合規資訊
RoHS and REACH compliant per Infineon product page. AEC-Q100 qualification status not explicitly stated for the IRS2052MTRPBF variant — automotive designs should validate at the system level or contact Infineon for AEC-Q100 qualified alternatives in the same family.
