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| TPA3138D2 10W 超低 EMI、無(wú)電感器、立體聲 D 類(lèi)音頻放大器 |
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| 文章來(lái)源：永阜康科技 更新時(shí)間：2018/5/31 12:39:00 |
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描述
The TPA3138D2 is 10-W, up-to-90% efficient, stereo Class-D audio amplifier. It can drive stereo speaker with as low as 4-Ω.
Advanced EMI Suppression with Spread Spectrum Control enables the use of inexpensive ferrite bead filters while meeting EMC requirements for system cost reduction.
The TPA3138D2 is fully protected against shorts and overload; It also includes a power limiter and DC detection circuit for speaker protection. The short-circuit and thermal protections include an auto-recovery feature.
Customers can leverage every TPA3138D2 feature in existing designs as it is fully pin-to-pin compatible to TI’s TPA3110D2, TPA3110LD2,TPA3136D2 and TPA3136AD2.
特性
- Reduced Solution Size and Cost:
- Inductor-Less operation: Low-cost ferrite beads substitute inductors
- EN55013 and EN55022 EMC compliant when no inductors are used
- No external heatsink required: PCB plane can be used as heatsink
- Longer Battery Life for Portable Systems:
- Low idle-current mode
- >90% Class-D Efficiency
- Audio Performance:
- 2 × 10 W/ch into 6-Ω,1% THD+N, 12-V supply
- THD+N : 0.07% @ 1W, 1kHz input, 6-Ω
- Voltage Range: 3.5-V to 14.4-V in Low idle current mode
- Flexible Audio Solution:
- Single-Ended or Differential Analog Inputs
- Selectable Gain: 20dB and 26dB
- Pop and Click-Free Startup
- Integrated self-protection:
- Pin-to-pin, Pin-to-Ground, and Pin-to-Power short circuit protection
- Power short circuit protection
- Power Limiter and DC Speaker Protection
- Pin-to-Pin compatible with TPA3110D2, TPA3110LD2, TPA3136D2 and TPA3136AD2
All trademarks are the property of their respective owners.
簡(jiǎn)化應用原理圖
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功能介紹 |
兼容型號 |
封裝形式 |
工作電壓 |
備注 |
| CS86189 |
2X25.5W/14V/4Ω或47W/18V/4Ω |
TPA3110/CS8618/CS3815 |
TSSOP-28 |
6V-18.5V |
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| CS5082 |
CS5082E是一款5V輸入,支持雙節鋰電池串聯(lián)應用,鋰離 子電池的升壓充電管理IC.CS5082E集成功率MOS，采用異步開(kāi)關(guān)架構，使其在應用 時(shí)僅需極少的外圍器件，可有效減少整體方案尺寸，降低BOM成本。 CS5082E的升壓開(kāi)關(guān)充電轉換器的工作頻率為600KHz最大2A輸入充 電，轉換效率為90%。
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CS5080 |
ESOP-8 |
3.44V-7.0V |
帶NTC功能、5V USB輸入、雙節鋰電池串聯(lián)應用、升壓充電管理IC，管腳兼容CS5080 |
| HT317 |
2X42W/18V/4Ω或75W/24V/4Ω |
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TSSOP-28 |
5V-26V |
42W立體聲/75W單聲道D類(lèi)功放IC,，工作電壓5-26V，極限耐壓32V！ |
| CS5080 |
CS5080E是一款5V輸入,支持雙節鋰電池串聯(lián)應用,鋰離子電池的升壓充電管理IC.CS5080E集成功率MOS，采用異步開(kāi)關(guān)架構，使其在應用時(shí)僅需極少的外圍器件，可有效減少整體方案尺寸，降低BOM成本。CS5080E的升壓開(kāi)關(guān)充電轉換器的工作頻率為600KHz最大2A輸入充電，轉換效率為90%。 |
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ESOP-8 |
3.44V-7.0V |
5V USB輸入、雙節鋰電池串聯(lián)應用、升壓充電管理IC |
| CS3816 |
2X15W/16V/8Ω |
|
ESOP-16 |
6V-20V |
2×15W 免電感低EMI立體聲D類(lèi)音頻功率放大電路,支持免電感和耳機輸出應用 |
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