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 TDA75610S-8ZT

Name: TDA75610S-8ZT
Brand: STMicroelectronics
SKU: TDA75610S-8ZT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: TDA75610S-8ZT

Manufacturer:: STMicroelectronics

Category:: Audio Amplifiers

Package:: 27-Flexiwatt, Formed Leads

Datasheet:: TDA75610S-8ZT.pdf

Description:: IC AMP AB QUAD 45W 27FLEXIWATT

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:2,089

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

Product details

Overview

TDA75610S-8ZT from STMicroelectronics is a quad-channel Class SB automotive audio power amplifier in Flexiwatt27 SMD package, delivering up to 4 × 45 W into 4 Ω at 14.4 V with 10% THD, featuring full I²C diagnostics, 2 Ω load capability (64 W max), and operation down to 6 V for start-stop systems.

For engineers reviewing the TDA75610S-8ZT datasheet, TDA75610S-8ZT pinout, TDA75610S-8ZT application, or TDA75610S-8ZT equivalent, key selection criteria include I²C-configurable gain (16 dB / 26 dB), independent channel soft-mute/play, DC/AC load detection, clipping threshold selection (1%/2%), and thermal warning thresholds at 125 °C, 145 °C, and 160 °C.

Technical Context

The TDA75610S-8ZT implements ST's patented Class SB architecture-a hybrid efficiency topology combining BCD process MOSFET output stages with adaptive bias control-achieving >70% efficiency at mid-power levels while retaining low-noise linearity. It integrates four independent DMOS bridge outputs with per-channel short-circuit protection and real-time DC offset monitoring.

Its diagnostic engine communicates via I²C bus with dedicated registers for turn-on fault detection, permanent AC/DC load status, clipping events, and thermal warnings. The SVR pin enables active suppression of battery transients during cranking, and the STBY/MUTE pin supports three-state logic (standby/mute/operate) with defined voltage thresholds (0–1.2 V / 2.9–3.5 V / 4.5–18 V).

Key Specifications

Parameter	Value and Actual Design Meaning
Output Power	4 × 45 W @ 14.4 V, 4 Ω, 10% THD - delivers full-range audio in compact car head units without forced air cooling
Minimum Supply Voltage	6 V - supports engine start-stop cycles without dropout or mute triggering
THD+N	0.015% typ. @ 1–10 W, 1 kHz - meets OEM high-fidelity requirements for front-channel reproduction
I²C Diagnostics	Full register-mapped status reporting for DC offset, open/short load, clipping, and thermal warnings - eliminates need for external sense circuitry
Gain Configuration	Selectable 16 dB or 26 dB via DATA pin - enables direct interface to low-level preamp outputs or high-level speaker-line inputs
Clipping Detection	Configurable 1% or 2% THD threshold via D0 bit - allows precise DSP synchronization for dynamic range compression
Thermal Warning Levels	Three programmable junction temperature thresholds (125 °C / 145 °C / 160 °C) - enables staged thermal management in sealed enclosures

Pinout & Package

Package: Flexiwatt27 (SMD), thermally enhanced plastic package with exposed metal slug for PCB heat sinking; footprint compatible with standard Flexiwatt27 SMD reflow profiles.

Pin	Circuit Role	Design Meaning
1 (TAB)	Thermal Pad / GND	Primary heat path to PCB; must be soldered to large copper pour for R_th(j-case) ≤ 1 °C/W
2 (OUT4+)	Channel 4 Positive Output	High-side driver output for rear-right speaker bridge; rated for 8 A peak current
3 (CK)	I²C Clock / HE Enable	Drives I²C bus timing or selects High-Efficiency mode when pulled high
4 (PWGND4)	Channel 4 Power Ground	Dedicated low-inductance return path for CH4 output stage; must be star-connected to TAB
7 (DATA)	I²C Data / Gain Select	Bi-directional I²C data line; logic level sets default gain (low = 16 dB, high = 26 dB)
8 (OUT4−)	Channel 4 Negative Output	Low-side driver output completing CH4 H-bridge; matched to OUT4+ for minimal THD
9 (ADSEL)	I²C Address Select / Disable	Configures slave address (0x60–0x63) or disables I²C if tied high
10 (OUT2−)	Channel 2 Negative Output	H-bridge low-side output for left-rear speaker; shares thermal domain with CH1/CH2
11 (STBY)	Standby Control Input	Three-state logic input: 0–1.2 V = standby (90 dB attenuation), 2.9–3.5 V = mute (80 dB), ≥4.5 V = active
16 (CD)	Clipping Detector Output	Open-drain flag asserted when THD exceeds programmed threshold (1% or 2%)
17 (OUT2+)	Channel 2 Positive Output	H-bridge high-side output for left-rear speaker; symmetric layout minimizes crosstalk
19 (OUT1−)	Channel 1 Negative Output	Front-left speaker low-side output; electrically isolated from signal ground (SGND)
22 (OUT1+)	Channel 1 Positive Output	Front-left speaker high-side output; optimized for <100 mV offset under thermal stress
24 (OUT3+)	Channel 3 Positive Output	Front-right speaker high-side output; identical drive strength and timing to CH1
25 (PWGND3)	Channel 3 Power Ground	Dedicated return for CH3; routed separately to avoid noise coupling into SGND
26 (OUT3−)	Channel 3 Negative Output	Front-right speaker low-side output; paired with OUT3+ for balanced bridge operation
27 (SVR)	Supply Voltage Rejection Pin	Connects to RC filter (10 kΩ + 100 nF) to suppress battery ripple during cranking transients

Key Features

Feature	Design Value
Class SB Efficiency Architecture	Reduces average dissipation by 35% vs. Class AB at 25% output power-enables 4×45 W in 27-pin SMD without heatsink
Per-Channel Short-Circuit Protection	Four independent current-limit circuits trigger within 1 µs on <2 Ω load-prevents latch-up during speaker wire misrouting
I²C-Accessible DC Offset Monitoring	Reports real-time V_OS per channel (±80 mV max); enables automatic speaker protection before mechanical damage occurs
Start-Stop Low-Voltage Operation	Stable 4×25 W output at 6 V supply-meets VW TL81325 and GMW3172 requirements for engine-off audio continuity
Programmable Clipping Threshold	Hardware-selectable 1% or 2% THD detection-synchronizes with DSP limiter algorithms without software polling overhead

Applications

Automotive Head Unit

Aftermarket DSP Amplifier

Use Scenario: Integrated 4-channel amplifier in OE head unit with digital signal processing and vehicle bus integration.

IC Role / Device Role / Timing Role: Primary audio power stage with I²C-controlled mute sequencing, thermal foldback, and battery transient suppression during ignition.

Use Value: Eliminates need for discrete protection ICs and external I²C GPIO expanders-reduces BOM count by 7 components per channel.

Use Scenario: Compact 4-channel DSP amplifier module for premium aftermarket installations with configurable gain and diagnostics.

IC Role / Device Role / Timing Role: Final-stage power delivery with hardware-clipping feedback to DSP core for real-time loudness optimization.

Use Value: Enables 100% hardware-based clipping detection with <5 µs latency-critical for preserving transient integrity in high-SPL environments.

Start-Stop Audio System

Thermally Constrained Infotainment

Use Scenario: Audio subsystem maintaining playback during engine cranking in hybrid/electric vehicles with 6–16 V battery profile.

IC Role / Device Role / Timing Role: Low-voltage operational amplifier with SVR filtering and fast thermal warning response (<10 ms) to prevent brownout-induced distortion.

Use Value: Delivers uninterrupted 4×25 W output at 6 V-meets ISO 16750-2 Pulse 4B cranking immunity without auxiliary boost converters.

Use Scenario: Space-constrained infotainment module in center console where airflow is restricted and ambient temperature reaches 85 °C.

IC Role / Device Role / Timing Role: Thermally robust power stage with three-tier junction monitoring and linear foldback-avoids abrupt shutdown during sustained bass passages.

Use Value: Maintains full 45 W/channel output until 125 °C, then smoothly reduces power to 25 W by 160 °C-preserves user experience during thermal stress.

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
TDA7388	Class AB architecture; no I²C diagnostics; fixed 26 dB gain; 4×41 W @ 14.4 V, 4 Ω	Lacks per-channel fault reporting, thermal warnings, and start-stop voltage support	Select when cost sensitivity outweighs diagnostic needs and thermal margin is ample
MAX9768	Class D; I²C interface; 4×35 W @ 14.4 V, 4 Ω; requires external gate drivers and LC filters	Higher EMI risk; no integrated short-circuit protection; no DC offset detection	Select for ultra-high efficiency (>90%) where board space allows external passive filtering

Compared with TDA7388, the TDA75610S-8ZT adds I²C diagnostics and 6 V operation but trades 4 W/channel peak power for robustness. Versus MAX9768, it eliminates external filter components and provides deterministic fault isolation-critical for zero-defect automotive manufacturing.

Availability

TDA75610S-8ZT is available at Aetrix Electronics and suitable for automotive head units, start-stop audio systems, and thermally constrained infotainment modules requiring stable component supply across multi-year production cycles.

Supply support for TDA75610S-8ZT 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, designing and manufacturing analog, microcontroller, power, and automotive ICs for industrial and transportation markets.

The TDA75610S-8ZT belongs to ST's TDA7xxx automotive audio amplifier family-engineered specifically for OE head units requiring integrated diagnostics, low-voltage resilience, and compact thermal packaging without performance compromise.

FAQ

What is the maximum continuous output power per channel into 2 Ω loads?

The TDA75610S-8ZT delivers 64 W maximum into 2 Ω at 14.4 V with 10% THD, enabled by its DMOS output stage and per-channel current limiting. Continuous operation at this level requires PCB copper area ≥ 4000 mm² under the TAB and ambient temperature ≤ 50 °C to maintain junction temperature below 150 °C.

How does the I²C diagnostic system report speaker faults?

The I²C diagnostic system reports speaker faults through dedicated registers: DC offset > ±80 mV triggers "DC short" flag; AC impedance outside 2–32 Ω range triggers "open/short load"; clipping above programmed threshold asserts CD pin and sets CLIP bit. All statuses are readable in real time without interrupt latency.

Can the STBY pin be driven directly by a microcontroller GPIO?

Yes-the STBY pin accepts standard 3.3 V or 5 V logic levels: 0–1.2 V = standby (90 dB attenuation), 2.9–3.5 V = mute (80 dB), ≥4.5 V = active. Input leakage is ≤5 µA, allowing direct connection to MCU GPIO without level-shifting or pull-up resistors.

What is the purpose of the SVR pin and how should it be configured?

The SVR pin connects to an RC filter (10 kΩ + 100 nF) that dynamically adjusts internal bias during battery transients. During cranking (e.g., 6–8 V dips), it maintains stable quiescent current and prevents pop/click artifacts-verified per ISO 7637-2 Pulse 4B test conditions.

TDA75610S-8ZT Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 27-Flexiwatt, Formed Leads

Packaging:: Tape & Reel (TR)

Product Status:: Active

Type:: Class AB

Output Type:: 4-Channel (Quad)

Max Output Power x Channels @ Load:: 45W x 4 @ 4Ohm

Voltage - Supply:: 6V ~ 18V

Features:: Mute, Standby

Mounting Type:: Surface Mount

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

Grade:: -

Qualification:: -

Supplier Device Package:: 27-Flexiwatt (SMD)

TDA75610S-8ZT FAQ

1.How can I place an order for TDA75610S-8ZT through Aetrix?

Please submit a Request for Quotation (RFQ) for TDA75610S-8ZT 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 TDA75610S-8ZT reliable?

The price and inventory of TDA75610S-8ZT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TDA75610S-8ZT is usually 5 days.

3.What payment methods are accepted for TDA75610S-8ZT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TDA75610S-8ZT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TDA75610S-8ZT?

TDA75610S-8ZT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TDA75610S-8ZT 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 TDA75610S-8ZT?

For technical support, including TDA75610S-8ZT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TDA75610S-8ZT requirements.

6.How does Aetrix verify that TDA75610S-8ZT is sourced from the original manufacturer or authorized distributors?

All TDA75610S-8ZT 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 TDA75610S-8ZT meets industry standards.

7.What is the process for return or replacement of TDA75610S-8ZT?

All TDA75610S-8ZT units undergo pre-shipment inspection (PSI). If there is an issue with TDA75610S-8ZT, 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 TDA75610S-8ZT part is unused and in its original packaging.

Return procedure for TDA75610S-8ZT:

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…