HAA2018A / HAA2018 5W Mono Audio Power Amplifier IC — SOP-8, 2.5–5.5V (10-Pack)

HAA2018A / HAA2018 5W Mono Audio Power Amplifier IC — SOP-8, 2.5–5.5V (10-Pack)

The HAA2018A / HAA2018 is a 5W mono Class AB audio power amplifier IC in SOP-8 package, designed for portable speaker, toy audio, and USB-powered speaker applications. With a BTL (Bridge-Tied Load) output configuration, it delivers 5W into a 4Ω speaker from a 5V supply without an external output coupling capacitor. Built-in thermal shutdown and overcurrent protection ensure reliable operation. This 10-pack is ideal for repair stock and production use.

Key Specifications

Parameter	Value
IC	HAA2018A / HAA2018
Package	SOP-8
Output Power	5W (into 4Ω at 5V, BTL)
Supply Voltage	2.5V – 5.5V
Output Configuration	BTL (Bridge-Tied Load, no coupling cap)
Load Impedance	4Ω or 8Ω
Protections	Thermal shutdown, overcurrent (OCP)
Shutdown Pin	Yes (active low)
Pack Quantity	10 pieces

Why Choose HAA2018A?

• ✅ 5W BTL output — no output coupling capacitor needed, simpler PCB design
• ✅ 2.5–5.5V supply — powered directly from USB 5V or single LiPo cell
• ✅ SOP-8 package — compact SMD footprint for space-constrained designs
• ✅ Thermal + OCP protection — safe for continuous operation
• ✅ 10-pack value — ideal for repair stock and production

Typical Applications

• Portable Bluetooth speaker power stage
• Toy and educational electronics audio output
• USB-powered desktop speaker amplifier
• Intercom and doorbell audio amplifier
• Tablet and portable device speaker driver

Package Contents

• 10 × HAA2018A / HAA2018 SOP-8 5W Audio Amplifier IC

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