Microchip Technology Inc. - Simplify multi-fan driver overhead and control in servers and other applications with the EMC2305 Fan Controller. It integrates five PWM fan speed drivers with advanced PID closed-loop control
TC650DEMO Reference Design | Fan Motor Control | Arrow.com
Fan controller ICs protect and enhance - Electronic Products
TC642EUA by Microchip Technology | Fan Controllers | Arrow.com
TC642DEMO Reference Design | Fan Motor Control | Arrow.com
Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor [STEMMA QT / Qwiic] : ID 4808 : $5.50 : Adafruit Industries, Unique & fun DIY electronics and kits
PWM Controllers, PWM Controller Circuit, Current Mode PWM Controller IC - Allied Electronics & Automation, part of RS Group