ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC AMP CLSS D MONO 2.65W 29WLCSP
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Type：Class D
- Output Type：1-Channel (Mono)
- Max Output Power x Channels @ Load：2.65W x 1 @ 4Ohm
- Voltage - Supply：2.5V ~ 5.5V
- Features：Depop, Short-Circuit and Thermal Protection
- Mounting Type：Surface Mount
- Supplier Device Package：29-WLCSP (3.19x2.07)
- Package / Case：29-UFBGA, WLCSP
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
Download product information
Overview
The TFA9887UK/N2BZ is a Class-D audio amplifier system by NXP USA Inc. in a 29-bump WLCSP package (3.19 x 2.07 mm). It delivers 2.65 W RMS into 4 Ω at 3.6 V supply with THD=1%. Operating voltage ranges from 2.5 V to 5.5 V, with digital supply at 1.65 V to 1.95 V. It features an embedded CoolFlux DSP, adaptive DC-to-DC converter, and I2S/I2C interfaces.
Feature Summary
- Integrated CoolFlux DSP for speaker-boost and protection algorithms
- Adaptive DC-to-DC converter for efficient power delivery
- Real-time excursion and temperature protection mechanisms
- Low RF susceptibility via jitter-insensitive digital input
Applications
- Mobile phones
- Tablets
- Portable gaming devices
- MP3 players and portable media players
Procurement Notes
Verify the specific suffix 'N2BZ' against official documentation, as standard ordering information lists 'TFA9887UK'. Confirm RoHS compliance status and current product lifecycle stage directly with NXP or authorized distributors before procurement.
Selection Notes
Select this component for applications requiring high efficiency and advanced speaker protection in compact designs. Ensure compatibility with I2S audio sources and I2C control buses. Verify that the 29-bump WLCSP package fits the PCB layout constraints and supports the required thermal dissipation.
Part Context
This device belongs to NXP's TFA98xx series of audio systems. It combines a Class-D amplifier with intelligent signal processing and power management. The integration reduces external component count while maximizing acoustic output within safe operating limits for small speakers.
FAQ
How does the TFA9887 protect the speaker?
It uses an embedded CoolFlux DSP algorithm to monitor and limit diaphragm excursion and voice coil temperature in real-time, ensuring operation within rated mechanical and thermal limits.
What is the function of the adaptive DC-to-DC converter?
The converter boosts the battery supply voltage only when necessary to maximize audio headroom, while limiting quiescent power consumption and adapting gain at low battery voltages.
