Overview
The TDF8541JS/N3,512 is a complementary quad Bridge-Tied Load (BTL) audio power amplifier designed by NXP USA Inc. This component is part of the TDF8541 series, which is specifically intended for automotive applications. It offers advanced features such as I2C-bus control, temperature-controlled gain reduction, and various protection mechanisms, making it a robust and reliable choice for car audio systems.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Supply Voltage (VP) | RL = 4 Ω | 6 | 14.4 | 18 | V |
| Quiescent Current (Iq) | No load; VP = 7 V | - | 190 | - | mA |
| Output Power (Po) | RL = 4 Ω, THD = 10% | - | - | 45 | W |
| Overvoltage Protection | - | - | - | 50 | V |
| Low Battery Voltage Detection | - | 6 | - | 7.5 | V |
Key Features
- I2C-bus controlled for flexible configuration and diagnostics.
- Temperature-controlled gain reduction to prevent audio holes at high junction temperatures.
- Programmable low battery voltage detection to enable operation at minimum battery voltages of 6 V or 7.5 V.
- Overvoltage protection (load-dump safe up to 50 V) with overvoltage pre-warning at 16 V.
- Offset detection and diagnostic capabilities for channel status and clip detection.
- Standby and fast mute functions for efficient power management.
Applications
The TDF8541JS/N3,512 is primarily designed for automotive audio systems, offering high-quality audio performance and robust protection features. It is suitable for various car audio applications, including in-car entertainment systems, infotainment systems, and aftermarket audio upgrades.
Q & A
- What is the TDF8541JS/N3,512 used for?
The TDF8541JS/N3,512 is used in automotive audio systems for high-quality audio amplification. - What is the operating supply voltage range of the TDF8541JS/N3,512?
The operating supply voltage range is from 6 V to 18 V. - What protection features does the TDF8541JS/N3,512 have?
The component includes overvoltage protection up to 50 V, low battery voltage detection, and offset detection. - How is the TDF8541JS/N3,512 controlled?
The component is controlled via an I2C-bus interface. - What is the maximum output power per channel of the TDF8541JS/N3,512?
The maximum output power per channel is 45 W. - Does the TDF8541JS/N3,512 have diagnostic capabilities?
Yes, it includes diagnostic features such as clip detection and channel status monitoring. - What is the quiescent current of the TDF8541JS/N3,512 at 7 V supply voltage?
The quiescent current is approximately 190 mA at 7 V supply voltage. - Is the TDF8541JS/N3,512 suitable for high-temperature environments?
Yes, it includes temperature-controlled gain reduction to prevent audio holes at high junction temperatures. - Can the TDF8541JS/N3,512 operate at low battery voltages?
Yes, it can operate at minimum battery voltages of 6 V or 7.5 V. - What is the purpose of the standby and fast mute functions in the TDF8541JS/N3,512?
These functions are for efficient power management and quick muting of the audio output.
