Qualcomm Ventures and existing investor Huami were among the participants in a series D round that took the specialist chipmaker's overall funding past $130m.

US-based custom semiconductor provider SiFive raised $65.4m in series D funding from investors including wearable biometric device producer Huami and Qualcomm Ventures, the corporate venturing arm of mobile chipmaker Qualcomm.

Spinout-focused investment firm Osage University Partners (OUP), private equity firm Sutter Hill Ventures and venture capital firms Chengwei Capital and Spark Capital also took part in the round.

SiFive produces purpose-built semiconductors based on designs created by its clients, using a cloud-based platform. The chips utilise Risc-V, an open-source and…