Tianyihexin is a Nanjing integrated circuit maker of heart rate, power management and wireless chips.
Based in Nanjing, China and established in 2014, Nanjing Tianyi Hexin Electronics Co., Ltd., trading as Tianyihexin, designs analog, digital, hybrid and RF integrated circuits. Its products include heart rate and ECG sensors, power management chips, and Bluetooth and Wi-Fi chips, sold to electronics, communications, medical, automotive and IoT manufacturers. In August 2025 it closed a venture round from CITIC Goldstone Fund Management, HFI Industry Fund Management, Caitong Capital, Addor Capital and Xinyuan Zhenghe. The company is at the Series C stage.
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