BD5445EFV is an analog input type Class D Speaker Amplifier designed for Flat-panel TVs, with features of space-saving and low-power consumption, delivering an output power of 17W+17W. This IC employs state-of-the-art Bipolar, CMOS, and DMOS (BCD) process technology that eliminates turn-on resistance in the output power stage and internal loss due to line resistances, achieving high efficiency of 91% (10W+10W output with 8Ω load). In addition, the IC is packaged in a compact reverse heat radiation type power package to achieve low power consumption and low heat generation, eliminating the necessity of an external heat-sink up to a total output power of 34W. This product satisfies both the needs for drastic downsizing, low-profile structures and powerful, high-quality playback of sound systems.
The BD5445EFV is an analog‑input Class‑D speaker amplifier designed for flat‑panel TVs and other space‑saving audio applications. It provides up to 17 W per channel (34 W mono) with 91 % efficiency and includes features such as soft‑start, soft‑mute, and multiple protection functions.
Typical applications include LCD/Plasma TVs, home audio, desktop PCs, and amusement equipment. The device is supplied in a compact HTSSOP‑B28 package and requires a supply voltage of 10 V to 27 V.
| Output power (stereo) | 17 W per channel (34 W mono) |
|---|---|
| Gain settings | 14 dB, 20 dB, 26 dB, 32 dB |
| Efficiency | 91 % |
| Package | HTSSOP‑B28 |
| Maximum junction temperature | +150 °C |
It can deliver 17 W per channel in stereo mode, or 34 W in mono bridge‑tied‑load configuration.
The IC is packaged in an HTSSOP‑B28 surface‑mount package.
Typical applications include flat‑panel TVs (LCD, Plasma), home audio, desktop PCs, and amusement equipment.