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TDA75610S-QLX
STMicroelectronics
IC AMP AB QUAD 45W 27FLEXIWATT
1200 Pcs New Original In Stock
Amplifier IC 4-Channel (Quad) Class AB 27-Flexiwatt (Horizontal)
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5.0 / 5.0
- (439 Ratings)
TDA75610S-QLX
Product Overview
12879494
DiGi Electronics Part Number
TDA75610S-QLX-DGManufacturer
STMicroelectronics
TDA75610S-QLX
Description
IC AMP AB QUAD 45W 27FLEXIWATTInventory
1200 Pcs New Original In Stock
Amplifier IC 4-Channel (Quad) Class AB 27-Flexiwatt (Horizontal)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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TDA75610S-QLX Technical Specifications
Category
Linear, Amplifiers, Audio Amplifiers
Packaging
-
Series
-
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
Through Hole
Operating Temperature
-40°C ~ 105°C (TA)
Supplier Device Package
27-Flexiwatt (Horizontal)
Package / Case
27-Flexiwatt (Formed Leads)
Base Product Number
TDA75610
Datasheet & Documents
HTML Datasheet
TDA75610S-QLX-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.33.0001
Additional Information
Standard Package
17
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
The quality assurance from DiGi Electronics gives me confidence in every purchase.
December 02, 2025
DiGi Electronics' logistics system is optimized for accuracy and efficiency in delivery tracking.
December 02, 2025
Their attention to packaging detail is remarkable, making the unboxing experience even more enjoyable.
December 02, 2025
Timely deliveries from DiGi Electronics consistently meet our expectations.
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Frequently Asked Questions (FAQ)
What are the key thermal design considerations when integrating the TDA75610S-QLX into a high-power automotive audio system, and how can I avoid overheating without exceeding PCB space constraints?
The TDA75610S-QLX delivers up to 45W per channel into 4Ω loads, generating significant heat that must be managed through a properly sized heatsink and optimal PCB layout. Due to its 27-Flexiwatt through-hole package, thermal vias under the device and a large copper pour on the top and bottom layers are essential. In confined automotive environments, use a forced-air cooling solution or a custom aluminum chassis as a heatsink. Monitor junction temperature using the thermal shutdown feature, and ensure ambient airflow exceeds 0.5 m/s if operating near 105°C. Avoid placing heat-sensitive components within 10 mm of the package to prevent localized thermal stress.
Can the TDA75610S-QLX safely replace a TDA7560 in an existing car amplifier design, and what circuit modifications are required to ensure stable operation?
While the TDA75610S-QLX is functionally similar to the older TDA7560, direct drop-in replacement is not recommended without validation. The TDA75610S-QLX has improved output power (45W vs. 40W @ 4Ω) and enhanced thermal performance, but differences in feedback network impedance and bootstrap capacitor requirements may affect stability. You must verify the feedback resistor values (typically 22kΩ to 27kΩ) and ensure bootstrap capacitors are 100nF ceramic with low ESR. Also, confirm the power supply decoupling uses at least 100μF electrolytic plus 100nF ceramic per channel to prevent oscillations under high load.
What are the risks of operating the TDA75610S-QLX near its 18V supply limit in a 12V automotive system with load dump transients, and how can I protect it without degrading audio performance?
Operating the TDA75610S-QLX at or near 18V in a 12V automotive environment exposes it to voltage spikes from load dump events, which can exceed 40V and damage the IC. Although the device tolerates up to 18V continuous, transient suppression is critical. Use a TVS diode (e.g., SMAJ18A) rated for 18V clamping voltage placed close to the power input, combined with a 220μF bulk capacitor and a 1A fast-blow fuse. Avoid over-specifying the TVS to prevent audio bandwidth reduction—select one with low capacitance (<100pF). This protects the TDA75610S-QLX without introducing audible distortion or high-frequency roll-off.
How does the mute and standby functionality of the TDA75610S-QLX behave during power-up sequences, and what design practices prevent audible pops or DC offset at speaker outputs?
The TDA75610S-QLX’s mute and standby pins must be controlled with a power-on reset (POR) circuit or microcontroller with proper timing to avoid turn-on/turn-off pops. During power-up, assert the standby pin high (≥2V) until VCC stabilizes above 8V, then release mute after a 100ms delay to allow internal bias circuits to settle. Use open-drain outputs with pull-up resistors (10kΩ) to ensure defined states. Failure to sequence these signals can cause DC transients at the outputs, potentially damaging speakers. Implement soft-start via an RC delay (e.g., 100kΩ + 1μF) on the mute line if no MCU is available.
Is the TDA75610S-QLX a viable alternative to the Infineon TLE87682 in a quad-channel infotainment amplifier, considering efficiency, EMI, and integration complexity?
The TDA75610S-QLX is not a direct substitute for the TLE87682, as the latter is a highly integrated smart power IC with built-in diagnostics and SPI control, while the TDA75610S-QLX is a pure analog Class AB amplifier. If your design requires digital monitoring, fault reporting, or dynamic power management, the TLE87682 is superior. However, for cost-sensitive, high-fidelity audio applications where analog control suffices, the TDA75610S-QLX offers higher output power (45W vs. ~30W) and simpler integration. Be aware that Class AB operation generates more heat and EMI than Class D alternatives—use star grounding and shielded inductors in the output filter to meet CISPR 25 emissions standards.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
TDA75610S-QLX CAD Models
STMicroelectronics TDA75610S-QLX PCB symbols & footprints
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