Overview
The TDF8599ATH/N2,518 is a high-efficiency, I2C-bus controlled dual-channel class-D power amplifier produced by NXP USA Inc. This amplifier is designed for car audio applications and features a dual Bridge-Tied Load (BTL) configuration based on SOI BCDMOS technology. It offers advanced diagnostics and protection mechanisms, making it a robust solution for automotive audio systems.
Key Specifications
| Symbol | Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| VP | Supply Voltage | 8 | 14.4 | 35 | V | |
| IP | Supply Current (off state) | Tj ≤ 85 °C; VP = 14.4 V | 2 | 10 | μA | |
| Iq(tot) | Total Quiescent Current | Operating mode; no load, snubbers and filter connected | 90 | 120 | mA | |
| Po | Output Power | Stereo mode: VP = 14.4 V; THD = 1 %; RL = 4 Ω | 18 | 20 | W | |
| Po | Output Power | Stereo mode: VP = 14.4 V; THD = 10 %; RL = 4 Ω | 23 | 25 | W | |
| Po | Output Power | Stereo mode: VP = 35 V; THD = 10 %; RL = 4 Ω | 135 | W | ||
| Po | Output Power | Parallel mode: VP = 14.4 V; THD = 10 %; RL = 2 Ω | 50 | W | ||
| Po | Output Power | Parallel mode: VP = 35 V; THD = 10 %; RL = 2 Ω | 250 | W | ||
| Po | Output Power | Single channel: VP = 25 V; THD = 1 %; RL = 1 Ω | 135 | 150 | W |
Key Features
- High-efficiency class-D amplifier
- Low quiescent current
- Operating voltage from 8 V to 35 V
- Two 4 Ω/2 Ω capable BTL channels or one 1 Ω capable BTL channel
- Differential inputs
- I2C-bus mode with 15 I2C-bus addresses or non-I2C-bus mode operation
- Clip detect
- Independent short circuit protection for each channel
- Advanced short circuit protection for load, GND, and supply
- Load dump protection
- Thermal foldback and thermal protection
- DC offset protection
- Selectable AD or BD modulation
- Parallel channel mode for high current drive capability
- Advanced clocking: switchable oscillator clock source, spread spectrum mode, phase staggering, and frequency hopping
- No ‘pop noise’ caused by DC output offset voltage
Applications
The TDF8599ATH/N2,518 is primarily designed for car audio applications, offering high efficiency and advanced diagnostics, making it suitable for a variety of automotive audio systems.
Q & A
- What is the TDF8599ATH/N2,518?
The TDF8599ATH/N2,518 is a high-efficiency, I2C-bus controlled dual-channel class-D power amplifier designed for car audio applications.
- What is the supply voltage range of the TDF8599ATH/N2,518?
The supply voltage range is from 8 V to 35 V.
- What are the output power capabilities of the TDF8599ATH/N2,518?
The amplifier can deliver up to 135 W per channel into 4 Ω, and up to 250 W in parallel mode into 2 Ω.
- Does the TDF8599ATH/N2,518 support I2C-bus mode?
Yes, it supports I2C-bus mode with up to 15 I2C-bus addresses, as well as non-I2C-bus mode operation.
- What protection mechanisms are built into the TDF8599ATH/N2,518?
The amplifier includes independent short circuit protection for each channel, advanced short circuit protection for load, GND, and supply, load dump protection, thermal foldback, and thermal protection.
- Is the TDF8599ATH/N2,518 qualified for automotive use?
Yes, it is qualified in accordance with AEC-Q100 standards.
- What is the package type of the TDF8599ATH/N2,518?
The amplifier is packaged in a plastic, heatsink small outline package (HSOP36) with 36 leads.
- Does the TDF8599ATH/N2,518 have any advanced clocking features?
Yes, it includes switchable oscillator clock source, spread spectrum mode, phase staggering, and frequency hopping.
- How does the TDF8599ATH/N2,518 handle DC offset voltage?
The amplifier is designed to eliminate ‘pop noise’ caused by DC output offset voltage.
- Can the TDF8599ATH/N2,518 operate in parallel channel mode?
Yes, it supports parallel channel mode for high current drive capability.
- What diagnostic capabilities does the TDF8599ATH/N2,518 offer?
The amplifier provides DC load detection, AC load detection, thermal pre-warning diagnostic level setting, and identification of activated protections or warnings via I2C-bus mode.
