Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Linear > Audio Amplifiers

STMicroelectronics TDA7569BDLVPD

Name: TDA7569BDLVPD
Brand: STMicroelectronics
SKU: TDA7569BDLVPD
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: TDA7569BDLVPD

Manufacturer:: STMicroelectronics

Category:: Audio Amplifiers

Package:: PowerSO-36 Exposed Top Pad

Datasheet:: TDA7569BDLVPD.pdf

Description:: IC AMP AB QUAD 50W POWERSO-36

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:4,450

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

TDA7569BDLVPD from STMicroelectronics is a quad-channel Class SB differential audio power amplifier IC designed for automotive head units. It delivers 4×50 W into 2 Ω at 14.4 V (10% THD), supports full I²C diagnostics including per-channel load detection and DC offset monitoring, and operates down to 6 V for start-stop battery profiles.

For engineers reviewing the TDA7569BDLVPD datasheet, TDA7569BDLVPD pinout, TDA7569BDLVPD application, or TDA7569BDLVPD equivalent, key selection criteria include its differential input architecture, I²C-configurable gain (16 dB / 26 dB), four independent short-circuit protections, thermal warning thresholds (125–160 °C), and robust 6–18 V supply range with SVR > 70 dB.

Technical Context

The TDA7569BDLVPD implements a Class SB topology using Multipower BCD technology and DMOS output stages, achieving high efficiency without requiring external bootstrap capacitors. Its differential input stage provides enhanced common-mode noise rejection, while integrated diagnostics monitor each channel's output voltage, current, and load impedance via I²C registers.

It features three-tier thermal warning (THWARN1–THWARN3) tied to DB1/DB4 register bits, linear thermal foldback, and dual-mode diagnostics-turn-on (open/short load detection before playback) and permanent (real-time fault tracking during operation). The clip detector supports selectable thresholds (1–15% THD) via IB1 configuration.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Power	4 × 50 W @ 2 Ω, 14.4 V, 1 kHz, 10% THD - enables high-fidelity rear/surround drive in compact car audio systems
Supply Voltage Range	6–18 V - supports engine cranking (6 V "start-stop") and withstands 28 V transients, eliminating need for external pre-regulation
I²C Diagnostics	Full bus-driven status reporting (DC offset, AC load, short/open detection per channel) - reduces ECU software overhead and enables predictive maintenance
Gain Options	Selectable 16 dB or 26 dB via DATA pin - allows flexible line-out routing (low-noise preamp output) or direct speaker drive
Thermal Protection	Three warning thresholds (125 °C, 145 °C, 160 °C) with linear foldback - prevents abrupt shutdown and maintains partial audio during sustained thermal stress
SVR	70 dB typical (100 Hz–10 kHz) - suppresses alternator ripple and battery noise without external filtering
THD+N	0.015% typ. @ 1–10 W, STD mode - meets OEM requirements for low-distortion cabin audio reproduction

Pinout & Package

Package: PowerSO36 (slug-up, exposed thermal pad), RoHS-compliant, thermally optimized for automotive PCB mounting with direct heatsink interface.

Pin/Terminal	Circuit Role	Design Meaning
OUT1+ to OUT4−	Differential speaker outputs (CH1–CH4)	Four fully independent bridge outputs; each pair drives one speaker with ± polarity control
IN1+ to IN4−	Differential audio inputs (CH1–CH4)	High-CMRR inputs reject ground loop noise in vehicle harnesses
CK / DATA / ADSEL	I²C clock/data/address select	Configures device address, enables/disables I²C, selects gain mode - no external pull-ups required
STBY	Standby/mute control input	Three-state logic: <1.2 V = standby, 2.9–3.5 V = mute, >4.5 V = active - simplifies MCU GPIO interfacing
CD	Clipping detector output	Open-drain flag with user-selectable threshold (1–15% THD); triggers automatic volume reduction or EQ adjustment
SVR	Supply voltage rejection compensation	Internal feedback node for optimizing ripple rejection across battery voltage swings
TAB	Exposed thermal pad	Primary heat path to PCB copper pour or heatsink; must be soldered for R_{th j-case} ≤ 1 °C/W compliance

Key Features

Feature	Design Value
Class SB Efficiency	Reduces average dissipation by >40% vs. Class AB at same output power - lowers thermal design burden and extends amplifier lifetime
Per-Channel Fault Detection	Real-time I²C-readable status for open/short load, DC offset (>±2 V), and thermal warnings - enables channel-level error recovery
Start-Stop Compatibility	Stable operation at 6 V supply with full 4×50 W capability - eliminates audio dropout during engine restart in eco-mode vehicles
Dual Diagnostic Modes	Turn-on diagnostics verify speaker integrity before playback; permanent diagnostics track faults during runtime - improves system reliability and serviceability
Robust Misconnection Tolerance	Withstands reverse battery, output-to-VS/GND shorts, and floating inputs without latch-up or damage - reduces field failure rates

Applications

Automotive Head Unit

Active Noise Cancellation (ANC) Amplifier

Use Scenario: Integrated 4-channel audio processor in OEM infotainment head unit with digital signal processing and Bluetooth streaming.

IC Role / Device Role / Timing Role: Final-stage power driver delivering amplified analog signals to front/rear speakers; synchronized via I²C to DSP firmware for real-time diagnostics.

Use Value: Enables OEMs to meet strict EMC and thermal targets while supporting start-stop functionality and reducing BOM count via integrated diagnostics.

Use Scenario: Compact ANC sub-system in premium vehicle cabins using reference microphones and error sensors.

IC Role / Device Role / Timing Role: Low-latency, low-noise power stage driving anti-noise speakers; differential inputs reject EMI from adjacent CAN/LIN buses.

Use Value: Delivers clean 50 W/channel output with <0.02% THD+N at 1 kHz, ensuring precise phase-inverted cancellation waveforms without distortion artifacts.

Aftermarket DSP Amplifier

Commercial Vehicle Audio System

Use Scenario: High-end aftermarket DSP amplifier with configurable EQ, time alignment, and multi-zone output routing.

IC Role / Device Role / Timing Role: Quad-channel output stage controlled via I²C from ARM-based DSP; clip detector feeds back to dynamic limiter algorithm.

Use Value: Provides programmable gain (16/26 dB), per-channel mute, and thermal telemetry - enabling adaptive power management and remote diagnostics.

Use Scenario: Ruggedized audio system in buses, coaches, or emergency vehicles requiring wide temperature and voltage tolerance.

IC Role / Device Role / Timing Role: Primary audio power IC operating across −40 to +105 °C ambient; SVR and battery transient handling ensure uninterrupted PA announcements.

Use Value: Survives 50 V peak transients and −40 °C cold cranking; integrated diagnostics reduce maintenance downtime in fleet operations.

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
TDA7561DTR	3-channel Class AB amplifier; no I²C diagnostics; max 45 W/ch @ 2 Ω; 8–18 V supply	Lacks per-channel fault reporting and start-stop support; suitable only for cost-sensitive non-OEM designs	Choose when diagnostic depth and low-voltage operation are not required and channel count can be reduced.
TDA7719DTR	Quad-channel Class D amplifier; 4×70 W @ 2 Ω; I²C control but no built-in load diagnostics; requires external gate drivers	Higher peak power but lacks integrated short/open detection and thermal warning granularity	Prefer for maximum efficiency in space-constrained layouts where external fault monitoring is acceptable.

Compared with TDA7561DTR and TDA7719DTR, the TDA7569BDLVPD uniquely combines Class SB efficiency, full I²C-accessible diagnostics per channel, and guaranteed 6 V operation - making it the only option meeting Tier-1 OEM requirements for start-stop compatibility and predictive speaker health monitoring.

Availability

TDA7569BDLVPD is available at Aetrix Electronics and suitable for automotive infotainment systems, active noise cancellation subsystems, and commercial vehicle public address systems requiring stable component supply, long lifecycle assurance, and AEC-Q100-compliant performance.

Supply support for TDA7569BDLVPD 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, industrial, and power management ICs with over 40 years of analog and mixed-signal innovation.

The TDA7569BDLVPD belongs to ST's TDA7xxx automotive audio amplifier product line, engineered specifically for next-generation head units demanding high fidelity, ultra-low quiescent current, and comprehensive digital diagnostics under harsh vehicle electrical conditions.

FAQ

What is the minimum supply voltage for full 4×50 W output capability?

The TDA7569BDLVPD maintains full 4×50 W output into 2 Ω at 14.4 V with 10% THD. At 6 V (start-stop condition), it delivers up to 6 W per channel into 4 Ω - sufficient for low-volume cabin audio or auxiliary zones. Output power scales predictably with supply voltage per Figure 5 in the datasheet.

How does the I²C diagnostic system report speaker faults?

Faults are reported through dedicated I²C registers (e.g., DB1–DB4) indicating open-load, short-to-ground, short-to-supply, DC offset, and thermal warnings per channel. Each status bit maps directly to physical conditions measured at the output pins, with no interpretation layer required in host firmware.

Can the clipping detector be used for automatic volume limiting?

Yes. The CD pin asserts an open-drain signal when output THD exceeds the selected threshold (1%, 2%, 5%, 10%, or 15%). This signal can trigger MCU-based gain reduction or DSP limiter activation, enabling closed-loop loudness control without external comparators.

Is the PowerSO36 package compatible with standard reflow profiles?

Yes. The PowerSO36 (slug-up) package is qualified for lead-free reflow per JEDEC J-STD-020. Peak temperature must not exceed 260 °C, and thermal pad soldering is mandatory to achieve R_{th j-case} ≤ 1 °C/W - verified in ST's AN4423 application note.

TDA7569BDLVPD Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: PowerSO-36 Exposed Top Pad

Packaging:: Tube

Product Status:: Active

Type:: Class AB

Output Type:: 4-Channel (Quad)

Max Output Power x Channels @ Load:: 50W x 4 @ 4Ohm

Voltage - Supply:: 6V ~ 18V

Features:: Mute, Short-Circuit and Thermal Protection

Mounting Type:: Surface Mount

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: -

Qualification:: -

Supplier Device Package:: PowerSO-36

TDA7569BDLVPD FAQ

1.How can I place an order for TDA7569BDLVPD through Aetrix?

Please submit a Request for Quotation (RFQ) for TDA7569BDLVPD 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 TDA7569BDLVPD reliable?

The price and inventory of TDA7569BDLVPD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TDA7569BDLVPD is usually 5 days.

3.What payment methods are accepted for TDA7569BDLVPD?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TDA7569BDLVPD transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TDA7569BDLVPD?

TDA7569BDLVPD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TDA7569BDLVPD 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 TDA7569BDLVPD?

For technical support, including TDA7569BDLVPD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TDA7569BDLVPD requirements.

6.How does Aetrix verify that TDA7569BDLVPD is sourced from the original manufacturer or authorized distributors?

All TDA7569BDLVPD 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 TDA7569BDLVPD meets industry standards.

7.What is the process for return or replacement of TDA7569BDLVPD?

All TDA7569BDLVPD units undergo pre-shipment inspection (PSI). If there is an issue with TDA7569BDLVPD, 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 TDA7569BDLVPD part is unused and in its original packaging.

Return procedure for TDA7569BDLVPD:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-08 Obsolete Electronic Components: How to Source and Evaluate Replacements

A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…