SC 6531DA Mobile Phone IC

Versatile Functionality for Mobile Devices

The SC 6531DA Mobile Phone IC is a high-performance integrated circuit designed to meet the demands of modern mobile applications. Whether you are developing basic mobile phones or crafting innovative wearable tech, this IC offers unparalleled functionality, ensuring reliable operations for a wide range of applications. With its efficiency and adaptability, the SC 6531DA stands out as a crucial component in mobile device manufacturing. SC 6531DA Mobile Phone IC

Optimized for Efficiency and Performance

Built with cutting-edge technology, the SC 6531DA is engineered to provide optimal energy usage without compromising performance. This IC minimizes power consumption, making it an excellent choice for portable devices where battery life is critical. The SC 6531DA supports robust processing capabilities, ensuring smooth operations for essential mobile features such as communication, data processing, and connectivity. SC 6531DA Mobile Phone IC

Reliable Compatibility and Design

Designed for seamless integration, the SC 6531DA is compatible with multiple mobile architectures, offering flexibility in design configurations. Its compact form factor allows manufacturers to save on space while maintaining top-tier functionality. Whether innovating on existing designs or prototyping new ones, the SC 6531DA ensures consistent and reliable performance across all use cases, making it a go-to choice for developers and engineers in the mobile technology space.

The Spreadtrum (UNISOC) SC6531DA is a highly integrated, low-power baseband processor designed specifically for entry-level GSM feature phones. Built on a mature ARM9 architecture, it combines a processor, power management unit (PMU), and audio codec into a single package to minimize the bill of materials for manufacturers. SC 6531DA Mobile Phone IC

Below are the detailed technical specifications and features for the SC6531DA IC.

Core Technical Specifications

Feature	Specification Details
Manufacturer	Spreadtrum Communications (now UNISOC)
CPU Architecture	32-bit ARM926EJ-S RISC Core
Clock Speed	Up to 260 MHz
Memory Interface	Integrated 32MB RAM / Supports external SPI Flash
Network Support	GSM/GPRS (2G) Dual SIM Dual Standby (DSDS)
Process Technology	Low-power CMOS
Operating Voltage	2.7V – 3.6V
Operating Temperature	0°C to +70°C
Package Type	BGA-169 (12mm x 12mm) or BGA-48 (variant dependent)

Multimedia & Peripheral Support

The SC6531DA is optimized for basic multimedia tasks, providing high efficiency for devices that do not require a heavy operating system.

Display Support: Integrated LCD controller supporting resolutions up to 128 x 160 (QQVGA) or 240 x 320 (QVGA) in certain configurations.
Audio Capabilities: Built-in 16-bit Sigma-Delta ADC/DAC with a Dynamic Range of 92 dB. It supports MP3 playback, FM radio, and voice recording.
Camera Interface: Supports entry-level CMOS sensors (typically 0.08MP to 0.3MP).
Connectivity: Integrated Bluetooth (v2.1+EDR), FM Radio tuner, and USB 1.1/2.0 FS for data transfer and charging. SC 6531DA Mobile Phone IC
Storage: T-flash (MicroSD) card support up to 32GB.

Hardware Application & Repair

In the mobile repair industry, the SC6531DA is a common sight in “China-made” feature phones (e.g., Brands like Itel, Lava, and Micromax). SC 6531DA Mobile Phone IC

Dual-Chip Architecture: In some budget 3G/4G devices, the SC6531DA acts as a secondary Baseband Processor paired with an application processor like the MT6582 to manage cellular connectivity.
Common Failure Modes: Due to thermal stress or physical drops, the BGA solder joints can delaminate. This often results in “No Service” or “Emergency Calls Only” errors.
Reballing Info: Technicians typically use a 13×13 matrix BGA stencil for reballing this chip. It is sensitive to high heat; reflow should generally be performed between 200°C and 280°C depending on the solder paste used. SC 6531DA Mobile Phone IC

Key Differentiators

Compared to its siblings like the SC6531E or SC6531C, the DA variant is prized for its superior Audio DAC SNR (92 dB vs 86 dB) and its adaptive internal noise shaping, making it a preferred choice for Bluetooth speaker modules and voice-priority handsets.

SC 6531DA Mobile Phone IC