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

STMicroelectronics TDA75610DLVPDTR

Name: TDA75610DLVPDTR
Brand: STMicroelectronics
SKU: TDA75610DLVPDTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TDA75610DLVPDTR

Manufacturer:: STMicroelectronics

Category:: Audio Amplifiers

Package:: PowerSO-36 Exposed Top Pad

Datasheet:: TDA75610DLVPDTR.pdf

Description:: IC AMP AB QUAD 45W POWERSO-36

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TDA75610DLVPDTR from STMicroelectronics is a quad-channel Class SB differential audio power amplifier IC designed for automotive head units, delivering 4 × 45 W peak output into 4 Ω at 14.4 V with <0.05% THD at 1 W, full I²C diagnostics, and operation down to 6 V for start-stop battery profiles.

For engineers reviewing the TDA75610DLVPDTR datasheet, TDA75610DLVPDTR pinout, TDA75610DLVPDTR application, or TDA75610DLVPDTR equivalent, key selection criteria include differential input rejection, I²C-configurable gain (16 dB / 26 dB), four independent short-circuit protections, thermal warning thresholds (125–160 °C), and DC offset detection capability.

Technical Context

The TDA75610DLVPDTR integrates a MOSFET-based DMOS output stage with Multipower BCD technology, enabling high-efficiency Class SB operation that reduces average dissipation versus Class AB while maintaining low distortion across 20 Hz–20 kHz. Its differential input architecture provides >70 dB CMRR, improving noise immunity in noisy automotive environments.

I²C-controlled diagnostics monitor each channel's load status (open/short), DC offset, clipping (2%/10% threshold), and thermal state via dedicated registers-enabling real-time speaker health reporting without external circuitry. The device supports dual-mode operation: high-power amplifier mode (4×45 W) and line-driver mode with configurable fault thresholds.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Power	4 × 45 W max into 4 Ω @ 14.4 V, 10% THD - enables loud, distortion-limited playback in compact car audio systems
Supply Voltage Range	6–18 V - supports engine cranking (6 V) and battery transients up to 50 V peak, compliant with OEM start-stop requirements
THD+N	0.015% typ. @ 1 W, 1 kHz, 4 Ω - ensures high-fidelity reproduction critical for premium infotainment systems
I²C Diagnostics	Full bus-read status for DC offset, AC load, clipping, thermal warnings, and per-channel short/open detection - eliminates need for discrete fault monitoring circuitry
Gain Options	16 dB or 26 dB selectable via DATA pin - allows optimization for low-noise line-out or high-drive speaker output
Thermal Protection	Three-stage linear thermal foldback with warning thresholds at 125 °C, 145 °C, and 160 °C - prevents catastrophic failure while preserving audio continuity
Input Impedance	90–140 kΩ differential - minimizes loading on preceding preamp stages and improves common-mode noise rejection

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+ / OUT1− to OUT4+ / OUT4−	Differential output pairs (CH1–CH4)	Four fully independent bridge outputs; each pair drives one speaker without shared ground reference
IN1+ / IN1− to IN4+ / IN4−	Differential input pairs (CH1–CH4)	Rejects common-mode noise from long harness runs; requires matched trace lengths for optimal CMRR
CK / DATA	I²C clock and data bidirectional pins	Enable configuration of mute, gain, thermal warnings, and diagnostics without additional GPIOs
STBY	Standby/mute control input	Three-state logic: <1.2 V = standby, 2.9–3.5 V = mute, >4.5 V = active - supports hardware-safe power sequencing
CD	Clipping detector open-drain output	Asserts low when output exceeds 2% or 10% THD threshold - feeds directly to MCU interrupt or LED indicator
SVR	Supply voltage rejection compensation pin	Improves PSRR during battery transients by dynamically adjusting internal biasing; reduces pop/click artifacts
VCC1–VCC4 / PWGND1–PWGND4	Per-channel supply and power ground	Isolates channel power paths to prevent crosstalk and enable independent thermal management

Key Features

Feature	Design Value
Differential input stage	70 dB minimum CMRR ensures robust operation in high-EMI vehicle cabins without added shielding or filtering
Four independent short-circuit protections	Each channel detects and isolates shorts to GND or VCC without affecting other channels - maintains partial system functionality
I²C-configurable gain	Hardware-selectable 16 dB (low-noise line-out) or 26 dB (speaker drive) avoids external gain-setting resistors
Start-stop compatible low-voltage operation	Stable 4×25 W output at 6 V enables uninterrupted audio during engine restart - meets latest OEM fuel-efficiency mandates
Integrated DC offset detection	Monitors ±2.5 V offset per channel and reports via I²C - prevents speaker damage from sustained DC bias

Applications

Automotive Infotainment Head Unit

Start-Stop Enabled Premium Audio System

Use Scenario: Integrated 4-channel amplifier in OEM or aftermarket car radio with digital signal processing and Bluetooth streaming.

IC Role / Device Role / Timing Role: Final power stage driving front/rear speakers; receives I²S or analog inputs; synchronizes mute/stby transitions with MCU via I²C.

Use Value: Full diagnostics eliminate need for external current-sense amplifiers and thermal sensors, reducing BOM count by ≥7 components per channel.

Use Scenario: High-fidelity audio subsystem in hybrid/electric vehicles requiring continuous playback during 6–9 V battery dips.

IC Role / Device Role / Timing Role: Quad-bridge amplifier operating in Class SB mode; uses SVR pin to suppress cranking noise; triggers thermal warnings before foldback.

Use Value: Maintains 4×25 W output at 6 V with <0.1% THD - enables seamless audio continuity during engine stop/start cycles without audible dropouts.

Diagnostic-Enabled Speaker Management Module

Multi-Zone Automotive Cabin Audio

Use Scenario: Aftermarket amplifier module with real-time speaker health monitoring and cloud-connected fault reporting.

IC Role / Device Role / Timing Role: Primary diagnostic hub; reads I²C registers every 100 ms to detect open loads, shorts, or thermal excursions; logs events to EEPROM.

Use Value: Detects failing speakers before burnout using per-channel AC load detection - reduces warranty claims and service visits.

Use Scenario: Zone-based audio distribution in luxury vehicles, where front, rear, and subwoofer zones require independent control and protection.

IC Role / Device Role / Timing Role: Front/rear channel driver (CH1–CH4); configured via I²C to mute rear channels during navigation prompts while preserving front audio.

Use Value: Independent soft-mute per channel enables spatial audio prioritization without cross-channel interference or pop artifacts.

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
TDA75610DTR	Same die, PowerSO36 package but without "LVP" low-voltage optimization; min. supply 8 V vs. 6 V	Not suitable for start-stop systems; limited to conventional 12 V battery architectures	Select only if vehicle lacks engine auto-stop and thermal derating margin is ≥15 °C higher
TDA75620DTR	Enhanced version with 50 W/channel peak, improved THD (0.008% typ.), and extended I²C register set for advanced diagnostics	Requires updated firmware for new diagnostic flags and thermal thresholds; pin-compatible but not register-compatible	Choose for next-gen platforms needing higher output fidelity and predictive speaker failure analytics

Compared with TDA75610DTR, the TDA75610DLVPDTR delivers verified 6 V operation and tighter THD specs, while the TDA75620DTR adds measurable performance headroom and diagnostic depth-making the DLVPDTR the optimal balance of start-stop compliance, cost, and feature completeness for mid-tier automotive audio.

Availability

TDA75610DLVPDTR is available at Aetrix Electronics and suitable for automotive infotainment head units, start-stop enabled premium audio systems, and diagnostic-enabled speaker management modules requiring stable component supply across multi-year production cycles.

Supply support for TDA75610DLVPDTR 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, specializing in automotive-grade analog, power, and microcontroller solutions with ISO/TS 16949-certified manufacturing.

The TDA75610DLVPDTR belongs to ST's TDA7xxx automotive audio amplifier family, engineered specifically for OEM-compliant, high-reliability in-vehicle entertainment systems with integrated diagnostics and low-voltage resilience.

FAQ

What is the minimum supply voltage required for full 4×45 W output?

The TDA75610DLVPDTR achieves its rated 4×45 W peak output only at VS ≥ 14.4 V. At the minimum operational voltage of 6 V, it delivers 4×5 W into 4 Ω with ≤0.5% THD - sufficient for background audio during engine cranking but not full-power playback. Output power scales quadratically with supply voltage per the datasheet's Figure 5.

How does the I²C diagnostic bus report speaker faults?

Fault status is read from dedicated I²C registers: DB1–DB4 contain per-channel short/open/DC offset flags, while IB1–IB2 hold thermal warning states and clipping detection. Each register bit maps to a specific fault condition (e.g., DB1[0] = CH1 short-to-GND), with no polling delay - status updates occur within 1 ms of fault occurrence per Section 4.2.

Can the clipping detector (CD pin) be used without I²C communication?

Yes. The CD pin operates independently as an open-drain output: it pulls low when output THD exceeds the hardware-selected threshold (2% or 10%). No I²C initialization is needed - the threshold is set by the D0 bit of the IB1 register, which defaults to 1%–3% THD at power-on if unconfigured.

Is thermal shutdown reversible without power cycling?

Yes. The linear thermal foldback mechanism reduces output power progressively as junction temperature rises above 125 °C, with full mute triggered only at 160 °C. Once temperature drops below 155 °C, the device automatically resumes normal operation - no reset or I²C command required, ensuring graceful recovery from transient overheating.

TDA75610DLVPDTR 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:: 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:: PowerSO-36

TDA75610DLVPDTR FAQ

1.How can I place an order for TDA75610DLVPDTR through Aetrix?

Please submit a Request for Quotation (RFQ) for TDA75610DLVPDTR 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 TDA75610DLVPDTR reliable?

The price and inventory of TDA75610DLVPDTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TDA75610DLVPDTR is usually 5 days.

3.What payment methods are accepted for TDA75610DLVPDTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TDA75610DLVPDTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TDA75610DLVPDTR?

TDA75610DLVPDTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TDA75610DLVPDTR 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 TDA75610DLVPDTR?

For technical support, including TDA75610DLVPDTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TDA75610DLVPDTR requirements.

6.How does Aetrix verify that TDA75610DLVPDTR is sourced from the original manufacturer or authorized distributors?

All TDA75610DLVPDTR 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 TDA75610DLVPDTR meets industry standards.

7.What is the process for return or replacement of TDA75610DLVPDTR?

All TDA75610DLVPDTR units undergo pre-shipment inspection (PSI). If there is an issue with TDA75610DLVPDTR, 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 TDA75610DLVPDTR part is unused and in its original packaging.

Return procedure for TDA75610DLVPDTR:

1.Submit a request within 90 days.

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

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