Table of Contents
General description The TDA1562 is a monolithic integrated 70 W/4Ω Bridge-Tied Load (BTL) class-H high efficiency power amplifier in a 17 lead DIL-bent-SIL plastic power package.
The device can be used for car audio systems (e.g. car radios and boosters) as well as mains fed applications (e.g. midi/mini audio combinations and TV sound).
FEATURES of the IC TDA1562 – 70 W high efﬁciency power ampliﬁer
- Very high output power, operating from a single low supply voltage
- Low power dissipation, when used for music signals
- Switches to low output power at too high case temperatures
- Few external components
- Fixed gain
- Differential inputs with high common mode rejection
- Mode select pin (on, mute and standby)
- Status I/O pin (class-H, class-B and fast mute)
- All switching levels with hysteresis
- Diagnostic pin with information about:
- Dynamic Distortion Detector (DDD)
- Any short-circuit at outputs
- Open load detector
- Temperature protection.
- No switch-on or switch-off plops
- Fast mute on supply voltage drops
- Quick start option (e.g. car-telephony/navigation)
- Low (delta) offset voltage at the outputs
- Load dump protection
- Short-circuit safe to ground, supply voltage and acrossthe load
- Low power dissipation in any short-circuit condition
- Protected against electrostatic discharge
- Thermally protected
- Flexible leads.
Schematic of the audio amplifier with TDA1562q
Suggested printed circuit board TDA1562
Part list for assembly audio power amplifier with integrated TDA1562 – 70 Watt power
|Resistors 1/4 Watts 5%|
|R1||100K –Brown, Black, Yellow, Gold|
|R2||5.6k – Green, Blue, Red, Gold|
|R3||1K – Brown, Black, Red, Gold|
|C1, C2||470nF polyester film capacitor|
|C3, C4, C7||4700µF / 25Volts- electrolytic capacitor|
|C5, C8||10µF /25volts – electrolytic capacitor|
|C6||100nF polyester film capacitor|
|IC1||TDA1562Q IC NXP Semiconductors|
|D1||1N4004 – semiconductor diode|
|LED1||Led high performance|
|FUSIVEL||8A –Fast-acting fuse|
|JP1||Key to toggle between mute and on.|
|BAT||Power Supply Connector|
|IN||Audio input connector|
|OUT||Audio output connector|
|Wire, solder, printed circuit board, power supply or battery, heat sink, etc..|
Download the PDF files for mounting the circuit tda1562: PDF PCB, Layout of components Schematic of the amplifier, Silk screen components, the TDA 1562 Datasheet
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