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China Micro Semicon Co., Ltd. (short name: Cmsemicon, stock code: 688380) continues to advance in automotive electronics technology. Recently, 4 additional models received AEC-Q100 Grade 1 automotive-grade certification.

Cmsemicon’s automotive-grade chips have formed a series, scenario, and platform-based development advantages in domains like body control, connectivity, and advanced driver-assistance systems (ADAS). The automotive-grade BAT32A series has shown exceptional stability and reliability in key testing projects with renowned vehicle manufacturers and Tier 1 suppliers.

The models that have received AEC-Q100 automotive-grade certification are as follows:

> BAT32A233KC24NA

> BAT32A233KC32NA

> BAT32A233KC32FP

> BAT32A6300KC32NA

·  BAT32A233 ·

The BAT32A233 is based on the Arm Cortex^?-M0+ core, with a working frequency of 64 MHz, 32KB Flash, and 4KB SRAM. It operates with a voltage range of 2.0 to 5.5V. It supports flexible configurations with 2 UARTs (UART0/LIN2.0), 1 SPI interface, 1 I2C, and 1 hardware LIN2.2, compatible with LIN2.x protocols and compliant with SAEJ2602 standards. This chip optimizes analog peripheral resources, significantly enhancing the flexibility of solution design. The BAT32A233 is available in QFN24, QFN32, and LQFP32 packaging, making it ideal for automotive small-node control applications.

Typical applications:

>> Automotive combination switch solution

? Main chip BAT32A233 meets AEC-Q100 Grade 1 standards

? Uses LIN bus for communication with the host and supports sleep-wake functions

? Supports input detection for lights, steering, wipers, washers, etc.

·  BAT32A6300 ·

The BAT32A6300 is optimized for more precise node execution control. It is based on the Arm Cortex^?-M0+ core, with a 64 MHz frequency, 32KB Flash, and 4KB SRAM. It integrates an MCU, LDO, and LIN transceiver in a QFN32 package, offering high integration and compact size, which are ideal for automotive control connections with limited space. It also reduces system costs and is perfect for embedded applications such as switches, panels, lights, sensors, and motors.

>> Active grille shutter solution

? Main chip BAT32A6300 meets AEC-Q100 Grade 1 standards

? Integrated design with LDO and LIN transceiver, optimizing overall cost efficiency

? Collects environmental temperature, vehicle speed, and engine temperature data via sensors to achieve precise control of the intake grille closure.

Cmsemicon’s BAT32A automotive-grade series has passed the stringent AEC-Q100 certification, and the company has established product development and management processes that meet functional safety requirements at the ASIL-D level. These processes ensure that safe, reliable, and stable products can be delivered to global automakers and Tier 1 suppliers. Moving forward, Cmsemicon will continue to enhance its R&D capabilities and launch more automotive-grade products that support higher functional safety levels, empowering stable business growth for automotive customers.