Fan controller for networking gear
The Microchip Technology EMC2305-1-AP-TR is a PWM fan controller IC designed for networking and communications equipment where thermal management is critical.
16-QFN package and rework reality
Housed in a 16-VQFN with exposed pad (4x4 mm body), the part sits low on the board and the thermal pad needs a good solder joint to the ground plane to pull heat out of the die. The exposed pad is the main thermal path — a rework tech wants a hot-air profile that wets the centre pad without lifting the corner pins.