Holtek introduces lithium-ion battery protection MCU | Heisener Electronics
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Holtek introduces lithium-ion battery protection MCU

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投稿日: 2023-05-18, Holt Integrated Circuits Inc.

Holtek has launched a new lithium battery protection MCU HT32F61630/HT32F61641, in addition to the original HT45F8650/HT45F8662 8-bit MCU series, the new higher-order 32-bit Arm® Cortex®-M0+ lithium battery protection MCU products, Key specifications are as follows: lithium battery voltage detection accuracy ±24 mV, low standby power consumption, built-in passive balancing, high voltage Gate-driver and other functions, LDO output capacity up to 50 mA, suitable for 3~8 series of lithium battery products, such as battery management system (BMS) protection board, power tools, wireless vacuum cleaner, etc.

  

HT32F61630/HT32F61641 has 32 KB / 64 KB Flash ROM, SRAM storage capacity of 2 KB / 8 KB, maximum running speed of 16 MHz / 20 MHz, I/O has 22 multifunctional pins and provides rich peripheral resources. Such as UART, SPI, I²C, 6-channel fastest 1 Msps SAR ADC, up to 16 channels 16-bit PWM and so on. Two sets of Low-side high-voltage gate-drivers and one set of High-side high-voltage gate-drivers are integrated to drive MOSFET. Built-in standby zero power consumption and high voltage wake up circuit, can increase the battery standby time; Built-in passive balancing circuit, greatly reducing the number of parts and PCB space. The package provides 48LQFP-EP.


The development environment of HT32F61630/HT32F61641 is the same as that of HT32 series. It supports a variety of development environments (Keil/IAR/SEGGER/GNU) and provides complete development resources such as hardware development kit, Firmware Library and application examples. The full range of Holtek M0+ MCU has obtained Keil MDK-ARM user license and is available for free use by customers. With ISP(In-System Programming) and IAP(In-Application Programming) technical solutions, firmware can be easily upgraded, and Safety Test Library is also provided. It can pass the UL/IEC 60730-1 Class B certification, shortening the certification time.


  

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