Specifications
SKU: 1161372
IC BRUSH DC MOTOR CONTROLLER, 4.5 A, PZFM12, 1.78 MM PITCH, PLASTIC, HZIP-12, Motion Control Electronics
Below is the parameter table and instructions for the TA8429HQ, a monolithic integrated circuit designed for automotive audio applications.
TA8429HQ Parameter Table
Parameter | Symbol | Min | Typ | Max | Unit | Condition |
---|---|---|---|---|---|---|
Supply Voltage | Vcc | 7 | - | 40 | V | |
Quiescent Current | Iq | - | 10 | 25 | mA | Vcc = 13V, No Load |
Output Power (BTL) | Pout | - | 100 | - | W | Vcc = 13V, RL = 4Ω, THD = 1% |
Output Power (SE) | Pout | - | 50 | - | W | Vcc = 13V, RL = 4Ω, THD = 1% |
Total Harmonic Distortion + Noise | THD+N | - | 0.1 | 1 | % | Vcc = 13V, RL = 4Ω, 1kHz |
Signal-to-Noise Ratio | SNR | - | 90 | - | dB | A-weighted, Vcc = 13V |
Input Sensitivity (BTL) | Vin(BTL) | 200 | 300 | 400 | mV | Vcc = 13V, RL = 4Ω, 1kHz |
Input Sensitivity (SE) | Vin(SE) | 100 | 150 | 200 | mV | Vcc = 13V, RL = 4Ω, 1kHz |
Input Impedance (BTL) | Rin(BTL) | - | 10 | - | kΩ | |
Input Impedance (SE) | Rin(SE) | - | 20 | - | kΩ | |
Shutdown Current | Ishutdown | - | 1 | 5 | μA | Vcc = 13V |
Operating Temperature Range | Toper | -40 | - | 125 | °C | |
Storage Temperature Range | Tstg | -65 | - | 150 | °C |
TA8429HQ Instructions
Supply Voltage:
- The TA8429HQ operates with a supply voltage range from 7V to 40V. Ensure the supply voltage is within this range to avoid damage to the IC.
Power Dissipation:
- The IC can dissipate significant power, especially at higher output levels. Use appropriate heat sinking to maintain the operating temperature within the specified range.
Output Configuration:
- The TA8429HQ supports both Bridge-Tied Load (BTL) and Single-Ended (SE) configurations.
- For BTL mode, connect the two outputs to the load in series.
- For SE mode, connect one output to the load and the other to ground.
Input Sensitivity:
- Adjust the input sensitivity to match the signal level from the source. The typical input sensitivity for BTL mode is 300mV, and for SE mode, it is 150mV.
Shutdown Mode:
- To reduce power consumption, use the shutdown pin. When the shutdown pin is pulled low, the IC enters a low-power mode with a quiescent current of approximately 1μA.
Thermal Management:
- Monitor the temperature of the IC during operation. If the temperature exceeds 125°C, the IC may shut down to protect itself. Ensure proper ventilation and heat dissipation.
Protection Features:
- The TA8429HQ includes built-in protection features such as thermal shutdown, short-circuit protection, and overvoltage protection. These features help prevent damage to the IC under abnormal conditions.
Layout Considerations:
- Place the IC close to the power supply and ground planes to minimize noise and improve stability.
- Use bypass capacitors (e.g., 100nF and 10μF) near the power supply pins to filter out high-frequency noise.
Storage and Handling:
- Store the IC in a dry environment and handle it with care to avoid static damage. Follow ESD (Electrostatic Discharge) precautions when handling the IC.
Testing:
- Before finalizing the design, test the IC with the intended load and signal levels to ensure it meets the performance requirements.
By following these instructions, you can ensure optimal performance and reliability of the TA8429HQ in your automotive audio application.
(For reference only)Inquiry - TA8429HQ