Overview
The TDF8544TH/N3,118 is a 4-channel Class-AB audio amplifier produced by NXP USA Inc. This component is designed to provide a seamless sound experience, particularly in automotive applications such as start-stop cars. It operates within a voltage range of 6V to 18V, making it versatile for various automotive infotainment systems. The amplifier is known for its robust features, including low power dissipation, short-circuit protection, and thermal protection, ensuring reliable performance under different operating conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | TDF8544TH/N3,118 |
| Package | 36-HSOP (0.433, 11.00mm Width) Exposed Pad |
| Output Type | 4-Channel (Quad) |
| Max Output Power x Channels @ Load | 28W x 4 @ 4Ω |
| Voltage - Supply | 6V ~ 18V |
| Operating Temperature | -40°C ~ 105°C (TA) |
| ROHS Status | ROHS3 Compliant |
Key Features
- Operates without audible disturbance during engine start at a battery voltage as low as 6V.
- Low Vp mute level adjustable via I2C (6V, 8V).
- Optimized for low pop and guaranteed in test program.
- Full diagnostics with flexible read-out and programmable DIAG pin.
- Second clip-detect pin for additional front/rear detection (mid-tone/bass).
- Pin-to-pin compatible family approach with scalable output power and Best Efficiency Mode.
- Best Efficiency Mode with patented low switching distortion.
- Load dump/over voltage protection and thermal protection.
- All amplifier outputs short circuit proof to ground, supply voltage, and across the load, independent per channel.
- Internally fixed gain of 16 dB or 26 dB.
- No hearable plops when switching (switch on/off, standby and mute, mute and operating).
- Low standby current and low power dissipation in any short-circuit condition.
Applications
- Automotive Head Unit.
- Automotive Hybrid Sound System.
The TDF8544TH/N3,118 is specifically designed for use in automotive infotainment systems, ensuring a seamless and reliable audio experience even during engine start-stop cycles.
Q & A
- What is the maximum output power of the TDF8544TH/N3,118? The maximum output power is 28W x 4 @ 4Ω.
- What is the operating voltage range of the TDF8544TH/N3,118? The operating voltage range is 6V to 18V.
- Is the TDF8544TH/N3,118 ROHS compliant? Yes, it is ROHS3 compliant.
- What type of protection does the TDF8544TH/N3,118 offer? It offers load dump/over voltage protection, thermal protection, and short-circuit protection.
- What are the key features of the Best Efficiency Mode in the TDF8544TH/N3,118? The Best Efficiency Mode includes patented low switching distortion and reduced dissipation for uncorrelated signals.
- How does the TDF8544TH/N3,118 handle engine start-stop cycles? It operates without audible disturbance during engine start at a battery voltage as low as 6V.
- What is the package type of the TDF8544TH/N3,118? The package type is 36-HSOP (0.433, 11.00mm Width) Exposed Pad.
- Does the TDF8544TH/N3,118 support I2C-bus control? Yes, it supports I2C-bus control for various functionalities.
- What are the diagnostic capabilities of the TDF8544TH/N3,118? It includes full diagnostics with flexible read-out, programmable DIAG pin, and clip-detect pins.
- What are the typical applications of the TDF8544TH/N3,118? The typical applications include Automotive Head Unit and Automotive Hybrid Sound System.
