IRS20955STRPBF - 2-Channel Audio Line Driver | Infineon
料号： IRS20955STRPBF ✗ 停产IRS20955STRPBF 概述
直接替换替代料： IRS20955STRPBF ——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： IRS20955STRPBF （相同外形与封装尺寸） ——差异在于 Output Current, Over-Current Protection, Device Type, Manufacturer, Supply Voltage.
IRS20953
✅ 直接替换📋 参考替代料（不在目录中）
IRS20956
✅ 直接替换📋 参考替代料（不在目录中）
IRS20957SPBF
✅ 直接替换联系询价
查看数据手册 →IRS20955SPBF
✅ 直接替换联系询价
查看数据手册 →IRS20955SPBF
✅ 直接替换联系询价
查看数据手册 →IRS20955STRPBF 最大额定值与电气特性
| Device Type | Audio line driver and peripheral driver |
| Channel Count | 2 channels |
| 电源电压 | 12 V |
| 工作温度 | -40 C to +125 C |
| Package Type | SOIC-16 |
| Package Outline | MS-012AC |
| 引脚数 | 16 pins |
| 安装类型 | Surface mount |
| Output Power | 120 W x 2 channels |
| Rated Output Voltage | 100 V |
| Output Current | 1.2 A |
| 输出配置 | Two-output high-side/low-side half-bridge driver |
| PWM Input | Floating PWM input |
| Over-Current Protection | Programmable bidirectional over-current protection with self-reset |
| Preset Function | Programmable preset |
| RoHS 状态 | RoHS compliant |
| Manufacturer | International Rectifier, acquired by Infineon Technologies |
IRS20955STRPBF ms-012ac 引脚配置指南
IRS20955STRPBF（ms-012ac 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： IRS20955STRPBF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
IRS20955STRPBF 适用于 6 应用s: Class D stereo audio amplifier, Portable powered speaker, Multichannel home audio amplifier, Automotive audio amplifier, Industrial audio control amplifier, Professional audio output stage.
Class D stereo audio amplifier
IRS20955STRPBF fits a two-channel Class D audio amplifier because the verified family description identifies it as a 120 W x 2-channel driver. Its floating PWM input supports implementation with the appropriate external half-bridge power stage, while programmable bidirectional over-current protection with self-reset adds a useful protection function near the output transistors. The 16-pin SOIC-16 package is suitable for compact audio equipment. Exact gate-drive timing, dead time, current thresholds, and external MOSFET selection must come from the manufacturer datasheet and application circuit before production use.
推荐
Portable powered speaker
IRS20955STRPBF can serve as the gate-driver control device in a portable speaker design requiring two amplified channels. The verified operating-temperature range of -40 C to +125 C gives the device broad industrial temperature capability, while its 2-channel organization simplifies control of left and right outputs. The floating PWM input is useful when the amplifier architecture permits external gate-drive circuitry. Designers should account for supply limitations, external MOSFET dissipation, copper heat spreading, and the verified 1.2 A output listing in the final power-stage design.
推荐
Multichannel home audio amplifier
IRS20955STRPBF is appropriate for multichannel home-audio power stages that use two independent Class D outputs per device. Its verified two-channel architecture permits multiple packages to drive left, right, center, and surround channels, while the programmable preset and bidirectional over-current functions provide configurable output-stage behavior. The SOIC-16 package simplifies assembly relative to larger power packages, but it does not dissipate the power-transistor losses itself. Keep MOSFETs, gate drivers, and heat sinks thermally separate from the logic circuitry.
推荐
Automotive audio amplifier
IRS20955STRPBF can be evaluated for automotive audio systems because a verified component listing identifies the temperature grade as automotive and specifies operation from -40 C to +125 C. Its two-channel driver arrangement and programmable over-current protection are relevant to vehicle audio power stages, where fault handling and wide temperature operation are important. However, the retrieved data does not explicitly state AEC-Q100 qualification, so automotive production use requires obtaining the current Infineon qualification statement and confirming all AEC-Q100 requirements.
推荐
Industrial audio control amplifier
IRS20955STRPBF can support industrial audio equipment that requires dual PWM-driven outputs and integrated protection logic. The verified operating range of -40 C to +125 C supports designs exposed to a broad industrial ambient range, and the programmable bidirectional over-current protection with self-reset is useful for controlled output-stage recovery after a fault. The SOIC-16 device should be paired with suitably rated external power transistors and an appropriate thermal strategy. Industrial qualification status beyond the listed temperature range remains [DATA_NEEDED].
推荐
Professional audio output stage
IRS20955STRPBF is suitable for professional audio output stages built around external MOSFET half-bridges, particularly where two-channel control and programmable protection simplify the driver architecture. The verified IRS20955 family rating of 120 W x 2 channels indicates the intended class of power-amplifier application, while the floating PWM input provides a defined control interface for the external stage. Validate total harmonic distortion, output-current margin, protection timing, and thermal performance in the complete amplifier because those system-level results are not included in the retrieved snippets.
推荐
推荐产品汇总
工程参考数据： IRS20955STRPBF ——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 | IRS20953 | IRS20956 | IRS20957 | IRS20955 | IRS20955S |
|---|---|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | SOIC-16 | SOIC-16 | SOIC-16 | SOIC-16 | SOIC-16 | SOIC-16 |
关键差异点
- Two-channel integration reduces separate driver count （对比 IRS20955)
- Integrated bidirectional over-current protection （对比 IRS20953)
- Floating PWM input simplifies half-bridge implementation （对比 IRS20956)
- Wide operating temperature range （对比 IRS20957)
设计说明
Design the IRS20955STRPBF supply and gate-drive paths around the external MOSFET power stage rather than treating the 1.2 A output listing as a complete amplifier-current specification. Confirm the device's absolute maximum ratings, quiescent current, undervoltage behavior, and gate-drive voltage in the current manufacturer datasheet. Use the floating PWM input with suitable gate resistors and local decoupling, and verify dead time across the complete switching cycle.
Place the driver close to the external power transistors while keeping the SOIC-16 thermal path unobstructed on the PCB. Most amplifier heat is generated in the MOSFETs, so provide copper spreading, a suitable heatsink, and planned airflow according to the actual output power. Use the manufacturer thermal data to calculate junction temperature; the retrieved excerpts do not provide a verified SOA curve or junction-to-ambient resistance.
Route PWM and gate-drive traces as short, impedance-controlled paths, and keep switching-node copper away from the floating PWM input and programming networks. Use a solid ground plane, place input and bypass capacitors at their associated pins, and provide a low-impedance return for each half-bridge. Verify dead time, ringing, channel crosstalk, and output distortion with oscilloscope measurements before production release.
Do not infer that the family relationship alone guarantees a drop-in substitution. Verify the SOIC-16 pin functions, PWM polarity, fault timing, current thresholds, voltage ratings, and external component values for each IRS20953, IRS20956, IRS20957, IRS20955, or IRS20955S candidate. Also confirm whether the design requires the verified programmable bidirectional over-current protection with self-reset behavior.
合规信息
RoHS compliance is stated in the verified technical listing. A component listing identifies the temperature grade as automotive, but explicit AEC-Q100 qualification was not present in the supplied data.
