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microcontrollers

HT32L62141_64LQFP
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Manufacturer's P/N: HT32L62141 64LQFP
Show more information about the brand Holtek Semiconductor

Cortex M0+,Buzzer Driver, 1 Msps ADC , 60MHz, 64KB/8KB, 1.65÷3.6V, -40÷85°C
Type/coreCortex-M0+
Flash64
ChassisLQFP
Standard packaging:
5000 pcs.

Minimum order:
5000 pcs.

Minimum batch:
5000 pcs.

In stock:
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HT32L62141 – 32-bit Arm® Cortex®-M0+ Microcontroller for Smoke Detector Applications

The HT32L62141 is a high-performance, low-power microcontroller based on the Arm® Cortex®-M0+ core, operating at frequencies up to 48 MHz. It is specifically designed for use in smoke detection systems and other safety devices, integrating advanced features to support sensor signal processing and alarm control.

Key Features

  • processor Core: Arm Cortex-M0+ 32-bit core running up to 48 MHz, delivering efficient processing with minimal power consumption
  • memory: 64 KB Flash memory and 8 KB SRAM, providing sufficient space for smoke detection firmware
  • integrated Analog Front-End (AFE): Analog circuitry with two programmable DC current channels dedicated for direct interfacing with smoke detectors. The AFE includes current regulators and voltage measurement capability
  • buzzer driver: built-in boost converter capable of supplying up to 9 V to drive acoustic alarm buzzers
  • power management: multiple low-power operating modes to optimize battery life in autonomous devices
  • communication interfaces: supports UART, SPI, and I2C interfaces for easy integration with additional sensors and modules
  • Real-Time Clock (RTC): on-chip RTC for timekeeping and scheduling functions
  • watchdog timer (WDT): ensures system reliability by monitoring operation and resetting the device upon fault detection
  • debug port: serial debug interface (SW-DP) facilitates development and troubleshooting

Applications

  • professional smoke detection devices in fire protection systems
  • intelligent security systems for residential and commercial buildings
  • low-power IoT devices requiring reliable and continuous operation

Benefits for System Designers

  • high integration: on-chip AFE and buzzer driver reduce the need for external components, simplifying design and lowering costs
  • energy efficiency: advanced power-saving modes enable long battery life for standalone devices
  • ease of development: standard communication interfaces and debugging port speed up firmware development and testing
  • reliability and safety: watchdog timer and stable RTC improve system robustness against failures

The HT32L62141 from Holtek offers a complete microcontroller solution tailored for professional smoke detection applications, combining high performance, low power consumption, and integrated analog and control features.

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