TDA7786C

The TDA7786C is an automotive audio power amplifier IC from NXP (formerly Philips). It’s designed for car audio/infotainment applications and typically integrates one or more high‑efficiency output stages with protection features.
Key points:
- High-efficiency speaker amplification suitable for car environments.
- Built-in features such as mute/standby, soft-start to avoid pops, and protection (short-circuit, overtemperature, undervoltage).
- Compatible with differential inputs and bridge-tied outputs (BTL) for direct speaker drive.
- Designed for automotive voltage ranges and rugged operation; often used in head units, receivers, and dash/display audio systems.
How to use:
- Provide proper Vcc/GND, connect inputs to audio signals, and use the enable/mute/standby control as required.
- Connect speaker outputs to the loudspeakers; rely on onboard protections for fault conditions.
- Refer to the datasheet for exact channel count, output power, package, and pinout.
The “C” variant denotes a specific temperature/packaging/feature set. For exact specs, consult the TDA7786C datasheet.

Key features of the TDA7786C (concise):
- 4-channel car-audio power amplifier with bridge-tied load (BTL) outputs
- Designed for automotive 6–18 V supplies (typical 12 V); supports 4–8 Ω loads
- Protection: short-circuit (to GND/Vcc), overcurrent, overtemperature, undervoltage; automatic recovery
- Pop-free startup/shutdown with soft-start; standby and mute control
- Diagnostic/status indicators for fault conditions
- Low-noise design suitable for automotive EMI environment
- Flexible channel usage (individual channels or bridge configurations) for system design
- Compact package suitable for car radio/infotainment applications
Note: Actual output power depends on supply voltage and speaker load; refer to datasheet for exact electrical characteristics.

Which manufacturer or datasheet are you referring to for TDA7786C? I need that to give the correct package type (different vendors may use different package codes).

The TDA7786C is manufactured by STMicroelectronics. STMicroelectronics is a multinational semiconductor company that designs and manufactures integrated circuits and discrete semiconductor devices (analog, digital and mixed-signal) for automotive, industrial, and consumer electronics markets.

Applications areas for TDA7786C:
- Automotive audio: car radios/infotainment, head units, in‑vehicle multimedia with multi‑channel power amplification
- Consumer audio: mini hi‑fi systems, multimedia speakers, soundbars needing efficient, protected amplification
- Embedded/portable audio: compact, low‑EMI multi‑channel amps with built‑in speaker protection and fault monitoring

Equivalent car-audio amp ICs to the ST TDA7786C include:
• ST TDA7386 (4×38 W, Class-AB)
• ST TDA7850 (4×50 W, Class-D)
• NXP TDA7560 (4×45 W, Class-AB)
• Infineon RAA426080 (4×60 W, Class-D)
• TI TPA3116D2 (2×50 W, Class-D)