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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shin-Hao Chen Kuei-Liang Lin Shao Siang Ng Ke-Horng Chen Chin-Long Wey Sheng Kang Kevin Cheng Li-Ren Huang Chao-Jen Huang Hsin-Yu Luo |
| Copyright Year | 2014 |
| Description | Author affiliation: Ind. Technol. Res. Inst., Hsunchu, Taiwan (Li-Ren Huang) || Metal Ind. R&D Centre, Taiwan (Hsin-Yu Luo) || Inst. of Electr. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan (Shin-Hao Chen; Kuei-Liang Lin; Shao Siang Ng; Ke-Horng Chen; Chin-Long Wey; Chao-Jen Huang) || Anpec Electron. Corp., Hsinchu, Taiwan (Sheng Kang; Kevin Cheng) |
| Abstract | This paper proposes a high efficiency Class-D amplifier (CDA) with embedded single-inductor bipolar output (SIBO) power module. The characteristics of SIBO converter's bipolar outputs not only suppress equivalent common mode noise but also remove several large external bulky components in conventional boost supply CDA systems. Since bipolar outputs in the SIBO provide independent driving capability, CDA is capable of operating in both single-ended (SE) and bridge-tide load (BTL) configurations. Furthermore, the proposed dynamic voltage boosting (DVB) technique adjusts the SIBO output voltage level according to the CDA's output level with 5% power efficiency improvement. Peak total harmonic distortion plus noise (THD+N) performance is 0.012%. Peak power efficiency of SIBO and CDA are 89% and 93.2%, respectively. |
| Starting Page | 315 |
| Ending Page | 318 |
| File Size | 3216201 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479956944 |
| ISSN | 19308833 |
| e-ISBN | 9781479956968 |
| DOI | 10.1109/ESSCIRC.2014.6942085 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-09-22 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Digital video broadcasting Noise Power generation Voltage control Multichip modules Power amplifiers Transient analysis SoC system Class-D audio amplifier single-inductor bipolar output converter dynamic voltage boosting |
| Content Type | Text |
| Resource Type | Article |
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