Holtek is pleased to announce the launch of its latest smoke detector dedicated Flash MCUs, the BA45F25343, BA45F25353, and BA45F25363. 

These devices integrate a dual-channel smoke detector AFE, a dual-channel LED driving circuit, a 5V regulator, and a 9V boost buzzer driving circuit. With these features, the new MCUs are well-suited for use in smoke detection alarm systems.

As a long-term partner of Holtek, AXTEK has been deeply involved in the development and promotion of Holtek products for 14 years. 

As an authorized development partner, AXTEK provides customers with software development and product selection for Holtek-related solutions. 

Additionally, AXTEK is committed to offering competitive pricing and stable delivery times, ensuring customers receive reliable and cost-effective solutions.

Key Specifications

• Memory Configuration:

• 4K×16 / 8K×16 / 16K×16 Flash Program Memory.

• 256×8 / 1024×8 / 2048×8 Data Memory.

• 64×8 / 128×8 / 256×8 EEPROM.

• Peripheral Features:

• Multi-function Timer Modules.

• Multi-channel 12-bit A/D Converter.

• Serial Communication Interfaces.

• Low-power Internal LIRC.

• Integrated Temperature Sensor.

Key Features and Advantages

• Enhanced Smoke Detection Accuracy:

• The built-in dual-channel smoke detector AFE and LED constant current driving circuit significantly improve smoke detection accuracy while reducing false alarms.

• Improved LED Driving Capability:

• The integrated 5V regulator supports blue LED driving applications.

• Advanced Buzzer Driving Functionality:

• The 9V boost buzzer driving circuit supports both 2-pin and 3-pin buzzers while providing MCU failure alarm functionality.

Packaging and Application Adaptability

• Available in 24-pin and 28-pin SSOP, as well as 48-pin LQFP package types.

• Comparison with BA45F53xx Series:

• New support for dual transmission and dual reception.

• Red and blue LED driving applications.

• Expanded compatibility with a wide range of smoke detection alarm products.

Why Choose AXTEK?

• 14 Years of Experience in Holtek product development and distribution.

• Professional Software Development and product selection support.

• Competitive Pricing and Reliable Delivery to ensure stable supply.

Conclusion

With improved smoke detection accuracy, enhanced LED driving capabilities, and a rich set of peripheral interfaces, Holtek's latest smoke detector MCUs offer an optimized solution for various smoke alarm applications. 

As Holtek’s trusted development partner, AXTEK continues to support customers by providing technical expertise, cost-effective solutions, and dependable supply chain services, making it the ideal choice for companies looking for reliable and high-performance smoke detection solutions.