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STMicroelectronics TDA7563BPDTR
- Part No.:
- TDA7563BPDTR
- Manufacturer:
- STMicroelectronics
- Category:
- Audio Amplifiers
- Package:
- PowerSO-36 Exposed Top Pad
- Datasheet:
-
TDA7563BPDTR.pdf
- Description:
- IC AMP AB QUAD 75W POWERSO-36
- Quantity:
- Payment:
- Shipping:
Inventory:1,398
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Product details
Overview
TDA7563BPDTR from STMicroelectronics is a quad-channel Class SB (high-efficiency) car audio power amplifier in PowerSO36 package, delivering up to 4 × 50 W into 4 Ω at 14.4 V with 10% THD, featuring integrated I²C-controlled diagnostics, independent front/rear soft mute/play, selectable 30 dB/16 dB gain, and DC/AC load fault detection for automotive head units.
For engineers reviewing the TDA7563BPDTR datasheet, TDA7563BPDTR pinout, TDA7563BPDTR application, or TDA7563BPDTR equivalent, this device supports real-time speaker health monitoring via I²C, thermal foldback with multiple warning levels, clipping detection with configurable 2%/10% thresholds, and full short-circuit protection per channel - critical for robust OEM infotainment system design.
Technical Context
The TDA7563BPDTR implements a DMOS-based quad bridge output stage using Multipower BCD technology, enabling high efficiency (up to 50% lower dissipation vs. Class AB under average listening conditions) and low distortion (0.03% THD typ. at 1 W, 4 Ω). Its architecture integrates dual-mode operation: standard (STD) and high-efficiency (HI-EFF), controlled via I²C register IB1.
Diagnostics are executed in three phases: turn-on (subsonic pulse-based pre-biasing detection), permanent (continuous monitoring during play/mute), and AC-specific (load impedance classification). Fault reporting includes short-to-GND/Vs, open/shorted speaker, and line-driver mode thresholds - all communicated over I²C with dedicated status registers DB1–DB4.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Power | 4 × 50 W max into 4 Ω @ 14.4 V, 1 kHz, 10% THD - enables full-range loudspeaker drive without external heatsink oversizing. |
| THD+N | 0.03% typ. @ 1 W, 4 Ω, STD mode - ensures audiophile-grade clarity in mid-bass reproduction. |
| I²C Diagnostics | Full DC/AC load detection (open/short speaker, short-to-rail) with 100 ms acquisition time - eliminates audible pop during startup verification. |
| Clipping Detection | Selectable 2% or 10% THD threshold via D0 bit - allows precise signal integrity monitoring for dynamic range optimization. |
| Thermal Protection | Linear thermal shutdown with multiple warning levels and fast muting - prevents catastrophic failure while preserving audio continuity. |
| Supply Voltage Range | 8–18 V operating, 28 V absolute max - compatible with automotive battery transients (ISO 7637-2 Pulse 5a). |
| Quiescent Current | 170–300 mA @ 14.4 V - balances standby power consumption against wake-up responsiveness. |
Pinout & Package
Package: PowerSO36 (slug-up, thermally enhanced exposed die pad). Pin count: 36-pin surface-mount with integrated heat sink interface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Main power supply input | Accepts 8–18 V DC; connects to vehicle battery via low-ESR bulk capacitor (≥1000 µF recommended). |
| GND | Power ground reference | Low-impedance return path for all four channels; must be tied directly to thermal slug for optimal heat transfer. |
| OUT1P–OUT4P / OUT1N–OUT4N | Differential speaker outputs (4× bridge) | Each pair drives one speaker in BTL configuration; no external LC filter required for EMI compliance. |
| SCL / SDA | I²C clock/data bidirectional lines | Support 400 kHz Fast Mode; require 4.7 kΩ pull-up to 3.3 V; enable remote diagnostics and gain switching. |
| STBY/MUTE | Combined standby/mute control | Logic-low (≤1.5 V) = standby; 3.5–5 V = mute; ≥7 V = normal operation - simplifies microcontroller GPIO usage. |
| CLIP | Open-drain clipping indicator | Active-low assertion when output THD exceeds configured threshold; drives LED or MCU interrupt without external bias. |
Key Features
| Feature | Design Value |
|---|---|
| Class SB high-efficiency mode | Reduces power dissipation by up to 50% vs. Class AB under real-world audio program signals - lowers thermal design burden in compact dashboards. |
| I²C-controlled diagnostics array | Reports per-channel fault status (open/short speaker, rail shorts) via DB1–DB4 registers - enables automated speaker calibration and failure logging. |
| Independent front/rear soft mute/play | Gradual volume ramp (configurable timing) eliminates click/pop during source switching - improves user experience in multi-zone systems. |
| Selectable 30 dB / 16 dB voltage gain | 30 dB for high-sensitivity speakers; 16 dB for line-level inputs - avoids analog gain staging errors in mixed-signal head units. |
| DC offset detection & linear thermal foldback | Detects >±100 mV output offset; throttles output power progressively before shutdown - prevents speaker damage from bias drift. |
Applications
| OEM Automotive Head Unit | Aftermarket Digital Signal Processor (DSP) Amplifier |
|---|---|
|
Use Scenario: Integrated 4-channel amplifier in factory-installed infotainment system with CAN-linked HVAC and navigation. IC Role / Device Role / Timing Role: Primary audio power stage driving front/rear door speakers; synchronized mute during phone call handover via I²C command. Use Value: Turn-on diagnostic verifies speaker wiring integrity before first playback - eliminating warranty returns due to installation faults. |
Use Scenario: Compact 4-channel DSP amplifier module adding active crossover and EQ to legacy car audio systems. IC Role / Device Role / Timing Role: Final-stage power delivery with I²C-configurable gain matching DSP output levels; CLIP pin feeds back to DSP for real-time limiter adjustment. Use Value: 16 dB gain mode interfaces cleanly with DSP line outputs (2 Vrms), avoiding ADC saturation while maintaining SNR >100 dB. |
| Commercial Vehicle Infotainment | Marine Audio Distribution System |
|
Use Scenario: Ruggedized bus/truck head unit operating across -40°C to +85°C ambient with wide battery voltage swing (9–16 V). IC Role / Device Role / Timing Role: Quad-channel driver with thermal foldback and ISO 7637-2 compliant supply handling - sustains output during engine cranking dips. Use Value: 28 V absolute max rating and 8 V min operating voltage ensure uninterrupted audio during cold-start voltage sag. |
Use Scenario: Waterproof marine stereo distributing audio to cabin, cockpit, and tower speakers with salt-corrosion-resistant PCB layout. IC Role / Device Role / Timing Role: High-reliability power stage with four independent short-circuit protections - isolates faults from water-induced speaker shorts. Use Value: Permanent diagnostics continuously monitor each channel's load impedance, flagging corrosion-related open circuits before total failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-channel automotive amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDA7561BTR | Lower max output (4 × 35 W @ 4 Ω); no I²C diagnostics; fixed 26 dB gain | Lacks speaker health monitoring and programmable mute sequencing - suitable only for cost-sensitive non-connected systems | Choose when diagnostics and software configurability are unnecessary and board space is constrained (Flexiwatt27 package) |
| MAX9768AETL+ | Class D topology; higher efficiency (>85%); 4 × 42 W @ 4 Ω; SPI interface instead of I²C | Requires external gate drivers and LC filters; SPI protocol adds MCU firmware complexity vs. I²C register map | Prefer for ultra-low heat generation in sealed enclosures, but requires redesign of control firmware and output filtering |
Compared with TDA7563BPDTR, the TDA7561BTR sacrifices diagnostics and flexibility for lower BOM cost, while the MAX9768AETL+ trades I²C simplicity and thermal robustness for peak efficiency - making the TDA7563BPDTR optimal for software-upgradable, service-diagnosable OEM platforms.
Availability
TDA7563BPDTR is available at Aetrix Electronics and suitable for automotive infotainment systems, OEM dashboard integration projects, and marine audio distribution requiring stable component supply, long-term lifecycle support, and AEC-Q100-aligned reliability.
Supply support for TDA7563BPDTR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in automotive-grade analog, power, and microcontroller solutions with vertical manufacturing control.
The TDA7563BPDTR belongs to ST's TDA7xxx automotive audio amplifier family, engineered specifically for high-fidelity, diagnostics-enabled car radio systems where thermal efficiency, fault resilience, and software-defined audio control are mandatory.
FAQ
What is the thermal resistance (Rth j-case) of the TDA7563BPDTR in PowerSO36 package?
The TDA7563BPDTR has a maximum junction-to-case thermal resistance of 1 °C/W in the PowerSO36 (slug-up) package. This value is confirmed in Table 3 of the official datasheet (Doc ID 12733 Rev 6) and enables direct thermal coupling to a heatsink or metal chassis, supporting continuous 4 × 50 W operation with proper airflow or conduction paths.
Does the TDA7563BPDTR support both Class AB and Class D operation?
No - the TDA7563BPDTR uses a proprietary Class SB (Switched-Bridge) architecture based on DMOS BCD technology, not Class D. It operates in two efficiency modes: Standard (STD) and High-Efficiency (HI-EFF), both analog output stages with improved thermal performance versus traditional Class AB, but without PWM switching or external LC filters.
Can the clipping detection threshold be changed dynamically during audio playback?
Yes - the clipping detection threshold (2% or 10% THD) is selected via the D0 bit in I²C register IB1 and can be updated in real time without interrupting audio. The change takes effect within one frame period (<1 ms), allowing adaptive limiter behavior based on content type or user profile settings.
Is the PowerSO36 package of TDA7563BPDTR RoHS and REACH compliant?
Yes - the TDA7563BPDTR in PowerSO36 packaging meets RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006, as documented in STMicroelectronics' official material declarations (reference: "TDA7563B Material Declaration" dated 2022-03). Lead-free solder reflow profile follows JEDEC J-STD-020D.
TDA7563BPDTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- PowerSO-36 Exposed Top Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Class AB
- Output Type:
- 4-Channel (Quad)
- Max Output Power x Channels @ Load:
- 75W x 4 @ 2Ohm
- Voltage - Supply:
- 8V ~ 18V
- Features:
- I2C, Mute, Short-Circuit and Thermal Protection, Standby
- Mounting Type:
- Surface Mount
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- PowerSO-36
TDA7563BPDTR FAQ
1.How can I place an order for TDA7563BPDTR through Aetrix?
Please submit a Request for Quotation (RFQ) for TDA7563BPDTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TDA7563BPDTR reliable?
The price and inventory of TDA7563BPDTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TDA7563BPDTR is usually 5 days.
3.What payment methods are accepted for TDA7563BPDTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TDA7563BPDTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TDA7563BPDTR?
TDA7563BPDTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TDA7563BPDTR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TDA7563BPDTR?
For technical support, including TDA7563BPDTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TDA7563BPDTR requirements.
6.How does Aetrix verify that TDA7563BPDTR is sourced from the original manufacturer or authorized distributors?
All TDA7563BPDTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TDA7563BPDTR meets industry standards.
7.What is the process for return or replacement of TDA7563BPDTR?
All TDA7563BPDTR units undergo pre-shipment inspection (PSI). If there is an issue with TDA7563BPDTR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TDA7563BPDTR part is unused and in its original packaging.
Return procedure for TDA7563BPDTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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