Overview
The TPA3100D2IRGZRQ1 is a high-efficiency Class-D audio power amplifier produced by Texas Instruments. Designed to drive bridge-tied stereo speakers, this model delivers 20W per channel and operates efficiently without the need for external heat sinks. Its compact 48-pin QFN package makes it suitable for space-constrained applications, while its robust protection features ensure reliable performance. The TPA3100D2IRGZRQ1 is ideal for audio systems in consumer electronics, automotive, and industrial applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Power | 20 | W/channel | @ 8Ω, 18V supply |
| Supply Voltage | 10 - 26 | V | |
| Efficiency | 92 | % | Class-D operation |
| Gain Settings | 20, 26, 32, 36 | dB | Selectable |
| Operating Temperature | -40 to 85 | °C | |
| Package | 48-pin QFN | 7mm x 7mm | |
| Protection Features | Short-circuit, Overheat | Auto-recovery |
Key Features
- High-efficiency Class-D operation eliminates the need for external heat sinks.
- Wide supply voltage range (10V to 26V) for versatile applications.
- Four selectable fixed gain settings (20, 26, 32, 36 dB) for flexibility.
- Comprehensive protection against short-circuit, overheat, and output monitoring.
- Compact 48-pin QFN package for space-constrained designs.
Applications
The TPA3100D2IRGZRQ1 is widely used in various audio applications, including consumer electronics such as televisions and soundbars, automotive audio systems, and industrial audio equipment. Its high efficiency and robust protection features make it suitable for portable devices, home theater systems, and public address systems where reliability and performance are critical.
Q & A
What is the maximum output power of the TPA3100D2IRGZRQ1?
The maximum output power is 20W per channel when driving an 8Ω load with an 18V supply.
What is the operating voltage range?
The operating voltage range is 10V to 26V.
Does the TPA3100D2IRGZRQ1 require an external heat sink?
No, its high efficiency (up to 92%) eliminates the need for an external heat sink.
What are the available gain settings?
The gain can be set to 20, 26, 32, or 36 dB using the gain selection pins.
What protection features are included?
It includes short-circuit, overheat, and output monitoring protection with auto-recovery functionality.
What is the package type?
The TPA3100D2IRGZRQ1 comes in a 48-pin QFN package measuring 7mm x 7mm.
What is the typical efficiency of this amplifier?
The typical efficiency is 92% in Class-D operation.
Can it drive 4Ω speakers?
Yes, it can drive speakers with impedance as low as 4Ω.
What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
What are the primary applications of this amplifier?
It is commonly used in consumer electronics, automotive audio systems, and industrial audio equipment.
