2/14/2015

Car Subwoofer

Car Subwoofer, for all people is a big gadget what love in your car. If you have a vehicle, the audio system is stronger bass sound that many audio enthusiasts desire. But subwoofers need more than a low-range speaker to perform well. The enclosures they sit in can play a huge part in the subwoofer's sound. help separate the sound waves generated by the rear of the diaphragm on the speaker from that produced at the front of the speaker. Otherwise, the two sounds would create distortion, echo, and reverberation, ruining the listening experience.

So in your car can put this design:

1. Design of car subwoofer with dual chamber.
This style is designed and built for deep bass performance. Offering a dual chamber and shared slot port vent design, 5/8-inch MDF construction, making for a durable speaker. Simple to setup and easy to use, the enclosure provides a sturdy box constructed of quality materials.



2. Design of car subwoofer with screwed down terminal cups

From the provider of superior performance and sound engineering in enclosures, offers a quality 12-inch hatchback enclosure. Completely carpet enclosed, the box has screwed down terminal cups and MDF construction. The enclosure also has 1-inch speaker baffles to help control vibrations and ensure that listeners only hear what the speaker puts out, making for a cleaner sound.







More design Car Subwoofers







2/12/2015

TDA1566 Audio Amplifier 2x46W / 1x92W

TDA1566 general description:



The TDA1566 is a car audio power amplifier with a complementary output stage realized in BCDMOS. The TDA1566 has two Bridge Tied Load (BTL) output stages and comes in a HSOP24 or DBS27P package. The TDA1566 can be controlled with or without I2C-bus. With I2C-bus control gain settings per channel and diagnostic trigger levels can be selected. Failure conditions as well as load identification can be read with I2C-bus. The load identification detects whether the outputs of a BTL channel are connected with a DC or AC load and discriminates between a speaker load, a line driver load and an open (unconnected) load. The TDA1566 can be configured in a single BTL mode and drive a 1 Ω load. For the single BTL mode it is necessary to connect on the Printed-Circuit Board (PCB) the outputs of both BTL channels in parallel.  TDA1566 Audio Amplifier 2x46W / 1x92W

TDA1566 features:


  • Operates in I2C-bus mode and non-I2C-bus mode
  • TH version: four I2C-bus addresses controlled by two pins; J version: two I2C-busaddresses controlled by one pin
  • Two 4 Ω or 2 Ω capable BTL channels or one 1 Ω capable BTL channel
  • Low offset
  • Pop free off/standby/mute/operating mode transitions
  • Speaker fault detection
  • Selectable gain (26 dB and 16 dB)
  • In I2C-bus mode:
  • DC load detection: open, short and speaker or line driver present
  • AC load (tweeter) detection
  • Programmable trigger levels for DC and AC load detection
  • Per channel programmable gain (26 dB and 16 dB, selectable per channel)
  • Selectable diagnostic levels for clip detection and thermal pre-warning
  • Selectable information on the DIAG pin for clip information of each channelseparately and independent enabling of thermal-, offset- or load fault
  • Independent short-circuit protection per channel
  • Loss of ground and open VP safe
  • All outputs short-circuit proof to VP, GND and across the load
  • All pins short-circuit proof to ground
  • Temperature controlled gain reduction at high junction temperatures
  • Fault condition diagnosis per channel: short to ground, short to supply, shorted leadand speaker fault (wrongly connected)
  • Low battery voltage detection
  • TH version: pin compatible with the TDA8566TH1

TDA1566 circuit:

TDA1566 Audio Amplifier 2x46W
TDA1566 Audio Amplifier 2x46W


TDA1566 Audio Amplifier 2x46W
TDA1566 Audio Amplifier 2x46W

TDA1566 layout:

TDA1566 Audio Amplifier 2x46W layout
TDA1566 Audio Amplifier 2x46W layout
TDA1566 Audio Amplifier 2x46W pcb
TDA1566 Audio Amplifier 2x46W pcb


TDA1566 Audio Amplifier 2x46WTDA1566 Audio Amplifier 2x46W pcb
TDA1566 Audio Amplifier 2x46WTDA1566 Audio Amplifier 2x46W pcb


TDA1566 Audio Amplifier 2x46W pcb
TDA1566 Audio Amplifier 2x46W pcb



TDA8569Q Audio Amplifier 4 x 40W

TDA8569Q general description:



The TDA8569Q is an integrated class-B output amplifier in a 23-lead Single-In-Line (SIL) plastic power package. It contains four amplifiers in Bridge-Tied Load (BTL) configuration, each with a gain of 26 dB. The output power is 4 × 40 W in a 2 Ω load.  TDA8569Q Audio Amplifier 4 x 40W

TDA8569Q features:

Capable of driving 2 Ω loads
Requires very few external components
High output power
Low output offset voltage
Fixed gain
Diagnostic facility (distortion, short-circuit and temperature pre-warning)
Good ripple rejection
Mode select switch (operating, mute and standby)
Load dump protection
Short-circuit safe to ground, to VP and across the load
Low power dissipation in any short-circuit condition
Thermally protected
Reverse polarity safe
Electrostatic discharge protection
No switch-on/switch-off plop
Flexible leads
Low thermal resistance
Pin compatible with the TDA8567Q.

TDA8569Q circuit diagram:

4 x 40W TDA8569Q Audio Amplifier
4 x 40W TDA8569Q Audio Amplifier 


TDA8569Q layout:

layout for 4 x 40W TDA8569Q Audio Amplifier
layout for 4 x 40W TDA8569Q Audio Amplifier 


pcb for layout for 4 x 40W TDA8569Q Audio Amplifier
pcb for layout for 4 x 40W TDA8569Q Audio Amplifier


2/11/2015

TDA8950 Audio Amplifier 2x150W

TDA8950 general description:
TDA8950 Audio Amplifier 2x150W



The TDA8950 is a high-efficiency Class D audio power amplifier. The typical output power is 2 × 150 W with a speaker load impedance of 4 Ω. The TDA8950 is available in both HSOP24 and DBS23P power packages. The amplifier operates over a wide supply voltage range from ±12.5 V to ±40 V and features low quiescent current consumption. TDA8950 Audio Amplifier 2x150W


TDA8950 features:



  • Pin compatible with TDA8920B for both HSOP24 and DBS23P packages
  • Symmetrical operating supply voltage range from ±12.5 V to ±40 V
  • Stereo full differential inputs, can be used as stereo Single-Ended (SE) or mono
  • Bridge-Tied Load (BTL) amplifier
  • High output power in typical applications:
  • SE 2 × 150 W, RL
  • 4 Ω (VP = ±37 V)
  • SE 2 × 170 W, RL
  • 4 Ω (VP = ±39 V)
  • SE 2 × 100 W, RL
  • 6 Ω (VP = ±37 V)
  • BTL 1 × 300 W, RL
  • 8 Ω (VP = ±37 V)
  • Low noise
  • Smooth pop noise-free start-up and switch off
  • Zero dead time switching
  • Fixed frequency
  • Internal or external clock
  • High efficiency
  • Low quiescent current
  • Advanced protection strategy: voltage protection and output current limiting
  • Thermal FoldBack (TFB)
  • Fixed gain of 30 dB in SE and 36 dB in BTL applications
  • Fully short-circuit proof across load
  • BD modulation in BTL configuration

Amplifier diagram, circuit for TDA8950:

TDA8950 circuit diagram
TDA8950 circuit diagram
Datasheet for TDA8950: Download

TDA1514A Audio Amplifier 50W

TDA1514A general description:



Here the very simple but powerful amplifier kit which built based on TDA1514A amplifier chip. The circuit is for single channel only, you should build two similar circuit for stereo application. A heatsink is a must to be attached on the IC TDA1514A. This circuit can be used as well as stereoamplifiers Bass in a 5.1 system. TDA1514A Audio Amplifier 50W

TDA1514A features:

  • Battery operation
  • Minimum external parts
  • Wide supply voltage range: 4V–12V or 5V–18V
  • Low quiescent current drain: 4mA
  • Voltage gains from 20 to 200
  • Ground referenced input
  • Self-centering output quiescent voltage
  • Low distortion: 0.2% (AV = 20, VS = 6V, RL = 8Ω, PO =
  • 125mW, f = 1kHz)
  • Available in 8 pin MSOP package

TDA1514A circuit:

TDA1514A Audio Amplifier 50W

TDA1514A layout:

Printed Circuit Layout and placement for mono 40 W amplifier:


TDA1514A Audio Amplifier 50W pcb

TDA1514A Audio Amplifier 50W layout 

Printed Circuit Layout and placement for sterio 2 x 40 W amplifier.

stereo pcb


stereo layout

TDA7375 Audio Amplifier 2x35W

TDA7375 general description:

TDA7375 Audio Amplifier 2x35W
Circuit of quadruple audio amplifier using integrated circuit TDA7235 for systems surround. Circuit of quadruple amplifier for systems surround using the ci tda7375, for potency of 7 watts for channel in the version amplifying quad or 15 watts in the dual version (stereo). could arrive to 35 watts in the version.TDA7235 is a circuit integrated amplifier quadruple audio amplifier class AB capable to work in double bridge or simple quadruple amplifiers, circuit integrated with protection system of short, it requests the minimum of external components, available in multiwat 15H (TDA7375H) and multiwat 15V (TDA7375V). Although the first conception went to automotives pplications , to give him/it in a great variety of applications of low potency. That integrated circuit is ideal in the situation in that is wanted a reasonable potency and with a Power tension relatively low for your operation. That circuit drawn below it uses the basic configuration of quadruple amplifier, but using a configuration in bridge, it can be obtained about 4 times the maximum potency. In that configuration of quadruple amplifier it can be used as amplifier end of systems surround, when 7 watts for channel are already a good potency, using the minimum of components.Operation of the circuit of the audio amplifier with tda7375 The capacitor C8 uncouples the internal tension divisor. The capacitors C5 and C6 are the filter for Power supply. The capacitors of 2200µF / 25V are the exit capacitors. Vs is the Power supply that can be a car battery or a supply of 14 volts. Power supply for the circuit It can be with a transformer 12V/30VA, a rectifier bridge and a capacitor electrolytic of 4700µF or (larger). The maximum consumption of current with loads of 4Ohms is 2.1 A. You can use loads of 2 ohms, but he/she also remembers to increase the size of the of heat-sink, because the circuit integrated in Multiwat package it will heat up a little more. Suggestion of printed circuit board side of the copperSuggested PCB for mounting the amplifier tda7375, component side Information about mounting circuit audio amplifier. When assembling the circuit remember that this quad amplifier channels features two four inverted, then it should connect the speakers in reverse polarity at such times, attention to the polarity of electrolytic capacitors that should be of good quality. Before welding the tda7375 remember to solder the jumper, which will be underneath the integrated. TDA7375 Audio Amplifier 2x35W

TDA7375 features:



  • HIGH OUTPUT POWER CAPABILITY:
– 2 x 40W max./4
– 2 x 35W/4 EIAJ
– 2 x 35W/4 EIAJ
– 2 x 25W/4 @14.4V, 1KHz, 10%
– 4 x 7W/4 @14.4V,1KHz, 10%
– 4 x 12W/2 @14.4V, 1KHz, 10%

  • MINIMUM EXTERNAL COMPONENTS 
COUNT:
– NO BOOTSTRAP CAPACITORS
– NO BOUCHEROT CELLS
– INTERNALLY FIXED GAIN (26dB BTL)

  • ST-BY FUNCTION (CMOS COMPATIBLE)
  • NO AUDIBLE POP DURING ST-BY OPERATIONS

  • DIAGNOSTICS FACILITY FOR:
– CLIPPING
– OUT TO GND SHORT
– OUT TO VS SHORT
– SOFT SHORT AT TURN-ON
– THERMAL SHUTDOWN PROXIMITY


TDA7375 circuit diagram:

Double Bridge TDA7375
Double Bridge TDA7375
Quad SterioTDA7375
Quad SterioTDA7375
SterioBridge TDA7375
SterioBridge TDA7375

TDA7375 layout:

pcb layout
pcb layout

pcb layout
pcb layout


2/10/2015

TA8210AH Audio Amplifier 2x22W

TA8210AH general description:

     It's amizing circuit work beautiful. Is desination for audio amplification, for car. This is a circuit of 2 x 22 watt BTL amplifier using IC TA8210AH. It is not only an auto amplifier, ideal for a low-frequency auditory approach those hi-fi, with a very good linear feature. Can be fueled by a 12 volt car battery but shi from a 12 volt charger. The chip incorporates four bridge amplifiers available in two by two in order to ensure the output 22 watts per channel on 4 ohms. TA8210AH Audio Amplifier 2x22W

TA8210AH features:
  • Peak supply voltage (0.2s): 50 V
  • supply voltage VCC (DC): 25 V
  • Operating supply voltage VCC (opr): 18 V
  • Output current (peak): 9 A
  • Power dissipation PD: 50 W
  • Operating temperature: 30~85 °C
  • Storage temperature: 55~150 °C

TA8210AH circuit diagram:

TA8210AH Audio Amplifier 2x22W
TA8210AH Audio Amplifier 2x22W


TA8210AH layout:

TA8210AH Audio Amplifier 2x22W
Layout TA8210AH Audio Amplifier 2x22W


TA8210AH Audio Amplifier 2x22W
PCB TA8210AH Audio Amplifier 2x22W



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200W Audio Amplifier Circuit

Circuit description: Connecting two TDA2030 thru cheap power transistors we can create a amplifier wich can deliver a higher power. Wi...

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