IRS2052MTRPBF - 2-Ch 200V Class D Audio Driver | Infineon
料号： IRS2052MTRPBF ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.85 | $7.85 |
| 10 | $7.45 | $74.50 |
| 100 | $6.65 | $665.00 |
| 500 | $5.92 | $2,960.00 |
| 1,000 | $5.28 | $5,280.00 |
IRS2052MTRPBF 概述
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.
直接替换替代料： IRS2052MTRPBF ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： IRS2052MTRPBF （相同外形与封装尺寸） ——差异在于 Package, RoHS Status, Function, Number of Channels, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
IRS2053MTRPBF
✅ 直接替换📋 参考替代料（不在目录中）
IRS2334MTRPBF
✅ 直接替换✓ 有现货
$2.39 / 个
查看数据手册 →IRS20752LTRPBF
✅ 直接替换✓ 有现货
$0.51 / 个
查看数据手册 →IRS2453DSTRPBF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.86 / 个
查看数据手册 →IR38062MTRPBF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.85 / 个
查看数据手册 →IRS2052MTRPBF 最大额定值与电气特性
| Manufacturer | Infineon Technologies |
| Part Number | IRS2052MTRPBF |
| Product Type | Class D Audio Amplifier Driver IC |
| Number of Channels | 2 (Stereo) |
| Audio Input Type | Analog |
| 输出配置 | Half-bridge / BTL (external MOSFETs) |
| High Voltage Rating | 200 V |
| 封装 | 48-MLPQ (7x7 mm) |
| 安装类型 | Surface Mount |
| PWM Modulator | Integrated |
| Dead-Time Control | Programmable |
| Protection Features | OCP, OTP, UVLO, clipping detection |
| Shutdown Modes | Latched / non-latched / host-controlled |
| 工作温度 | -40 C to +125 C (junction) |
| RoHS 状态 | Compliant |
| Tape & Reel Qty | 3000 pcs |
IRS2052MTRPBF 48-mlpq (7x7 mm) 引脚配置指南
IRS2052MTRPBF（48-mlpq (7x7 mm) 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： IRS2052MTRPBF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
IRS2052MTRPBF 适用于 6 应用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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： IRS2052MTRPBF ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Integrated analog PWM modulator for both channels （对比 IRS2334MTRPBF)
- Stereo (2-ch) integration in single IC （对比 IRS2092SPBF)
- Clipping detection output for DSP-driven speaker protection （对比 IRS20752LTRPBF)
设计说明
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.
合规信息
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.
