Portable Speaker Amplifier Audio Chip List │Schematic │Datasheet │Board │PDF
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The Low voltage audio IC was made for Portable applications such as cellphone, Mini bluetooth speakers, TV, radio etc. It is upto 90% efficient and it work at 3-5Volts even 3.7V lithium battery can be used. The chip mostly can buy as complete board decoder and ready to plug and play or DIY, Here the IC List can give a reference and review.
The Board ID is a DIY or Complete replacement Board system for Portable Karaoke Speaker
The 3.7V battery operated Amplifier Board Square Dance Speaker Amplifier Support Bluetooth AUX TF-Card U-Disk.
Powered by PAM8406 IC which deliver a 10Watts rms 5+5W Output support 8 inches 12 inches portable karaokespeaker with separate connection ob Bass and tweeter.
Please check the screenshot and Video Test Review below!
Youtube │ PanelBoard Bluetooth AUX TF-Card U-Disk Set
The LTK5112 Audio Amplifier max. at 32Watts, minimum supply of 6Volts at maximum supply of 15Volts
Visit some info what is LTK5112 about below link
LTK5112 Datasheet PDF circuit
Visit Youtube sample video
The PAM8403 is a digital class-D audio two channel bridge amplifier. from a manufacture Power Analog Microelectronics. This IC does not need heatsink and it offers low THD+N, allowing it to achieve highquality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters,thus to save the system.
Lazada PAM84xx Board │ Shopee AudioBoard │ Pam8406 Circuit │ PAM8406 Video
The PAM8406 is a 5W audio amplifier with an alternative option between Class-D and Class-AB output which makes PAM8406 very ideally for the applications efficiency-EMI compatible. Alternative Output: Class-D or Class-AB 5W Output at 10% THD with a 2Ω Load and 5V Power Supplyat Class-D Mode 3W Output at 10% THD with a 4Ω Load and 5V Power Supply.
Check Youtube NS4110B chips
AUDIO CHIP AMP IC CS8391E is a class-R audio power amplifier with built-in BOOST booster module with anti-break function. Boosting CS8391EBOOST to 6.2V can provide a constant power of 5Watts for a 4Ω load 8.5Watts at 3Ω. The dual-mode design of Class AB and Class D allows CS8391E to effectively take into account the anti-interference design of FM mode. Within the power supply range of a single lithium battery
Youtube CS8676E AudioIC Sample
This chip operational at 3V-5Volts DC mostly can find on 8-Inches bluetooth karaoke speaker. Class AB/D switching, overheat / excessive flow protection, nonfM interference support 2 Ohms load and give output a 7Watts thus need heatsink.
Low voltage audio amp use in small speaker which specs of minimum of 2.5V-9.2Volts max, Support 4-8ohms speaker which can produce up to 10Watts at max voltage supply.
Visit blog on Youtube video sample
KU-898 Speaker power by CS8509E
Function : 5W ClassAB/D Audio Power Amplifier with ESOP-8PIN type Manufacturers by LTKCHIP TECHNOLOGY
LTK5128 through a MODE pin can easily switch to AB class Mode, completely eliminate EMI interference. Operating voltage 2.5V-5.5V, in Class D Amplifier mode can provide more than 90% efficiency, the new filter-free Wave structure can save the traditional Class D amplifier output low-pass filter, Thus saving the system cost and PCB space, is ideal for portable applications select.
Power amplifier a cheap price board with NS8002 4-8Ohms load (beyond the domestic 8002A, B, C, D) AB class efficient power amplifier chip carefully debug sound quality perfect, strong power, without any interference.
LM386 PDF │
Operating voltage: 3V-12V (voltage below 4V will significantly reduce the sound, the maximum can not exceed 15V)
Operating current: 1mA (static) to 150mA (max)
Output speaker impedance: 4Ω-32Ω (impedance high-sound, high efficiency Support the speaker power vary depends on supply: 0.5W-25W
The LPA217x is a 6Watts max at 5Vdc, class-F audio amplifier with a mode pin for switch the work mode. It offers low THD+N, allowing it to achieve high-quality Power Supply sound reproduction. The new filterless architecture allows the device to drive the speaker directly requiring no low-pass output filters, thus to save the system cost and PCB area. The LPA2171 is available in SOP-8.
5V Bluetooth Amplifier Module 5W Mono Class D Wireless Lossless Music Player Digital Power Amplifier Finished Board from alibaba.
Youtube CS83501E │ CS83601 PDF 6Watts │ CS83501E PDF 11Watts
PowerOut at 10% THD+N,VIN = 3.7V [RL=2Ω 11Watts] [RL= 4Ω 6.60Watts] Operating Voltage is 2.5V-5.5VDC [10PIN]
LAZ 5volts AudioBoard │ Shopee 5Volts Audio Board │ HT8691R PDF
Output Power:
9.0W (VBAT=3.7V, PVDD = 7.5V, RL=3Ω, THD+N=10%)
11.0W (VBAT=3.7V, PVDD = 7.5V, RL=2Ω, THD+N=10%
5.5W (VBAT=3.7V, PVDD = 6.5V, RL=4Ω, THD+N=10%)
Power Supply: Boost Input VBAT：2.5V to 5.5V
Boost Output PVDD：VBAT to 7.5V
Adjustable BOOST Output Voltage
LAZada 5volts AudioBoard │ Shoppee 5Volts Audio Board │ HT8697 PDF│
WATCH the Video which the chips have a supply 0f 4 [18650] step up battery
Check Youtube HT8697 CHIP Sample
HT8696 is SOP1 6L and HT8697 is SOP20L-PP see the pictures.
but same specs, A 9.5W per channel anti-shaving double channel AB/D class audio power amplifier from heroic.
If 5V RL=4Ω, THD+N=10%, Clas s D) Output 2×6W RMS
If 7.4V RL=4Ω, THD+N=10%, Output is 2x8W RMS
If 8.5V RL=4Ω, THD+N=10% Output is 2x10W RMs
Power Out at 10% THD+N, VIN = 3.7V RL = 4 Ω 10.1W(D MODE NCN OFF)
Power Out max at 10% THD+N, VIN = 3.7V RL = 2Ω+22µH Ω 18W(D MODE NCN OFF)
CS83702E is a class R mono audio power amplifier with built-in BOOST boost module, which is suitable for single-cell lithium battery powered applications, with fixed gain, three anti-crack modes, AB/D switching, mute function. In the case of single-cell lithium battery power supply, CS83702E can drive speakers as low as 2Ω, with a maximum output of 18W constant power
PO at 10% THD+N, VIN = 7.4V
RL = 4 Ω+22uH 21W(D MODE NCN OFF)
PO at 10% THD+N, VIN = 7.4V
RL = 3 Ω+22uH 25W(D MODE NCN OFF)
Power Supply: Min.5VDC MAX. 9VDC
Check Youtube CS5250E CHIP Sample
Po at VBAT = 5.0V, RL=4Ω, Cout=470uF
THD+N=10% 5.3W(NCN OFF@D MODE)
THD+N=1% 4.3W(NCN OFF@D MODE)
Po at VBAT = 3.4V, RL=4Ω+33uH, Cout=470uF
THD+N=10% 3.4W(NCN OFF@D MODE)
THD+N=1% 3.0W(NCN OFF@D MODE)
Po at VBAT = 5.0V, RL=4Ω, Cout=100uF
THD+N=10% 4.9W(NCN OFF@D MODE)
THD+N=1% 3.9W(NCN OFF@D MODE)
Po at VBAT = 3.6V, RL=4Ω+33uH, Cout=100uF
THD+N=10% 3.1W(NCN OFF@D MODE)
THD+N=1% 2.7W(NCN OFF@D MODE)
Input voltage range: 2.7~5.5V
Shutdown current: 1μA
This Audio Driver supports 3V to 7.4V bridge Single Channel provide a 9Watts RMS max in 3 Ohms speaker
Check on Youtube MIX2915 CHIP found inside of KTS-1150A
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