Description
L7207 is a motor controller IC designed for both desktop and dobile hard disk drive applications.

General features
■ Dual operative mode (Desktop and Mobile)
■ Register based architecture
■ Serial communication interface up to 40 MHz
Spindle driver
■ 3A peak currentdrive capability
■ Internal power devices with 0.5Ωmax bridge impedance at 125°C.
■ ST SmoothDrive architecture
■ Inductance sense start-up capability
■ Current sensing via integrated sense FET VCM driver
■ 2.4A peak currentdrive capability
■ Internal power devices with 0.5Ω max bridge impedance at 125°C
■ Linear and PSM VCM driving
■ Dual 14-bit linear DACs for current command
■ Power on/off ramp load and unload capability
■ Voltage retract mode
Other functions
■ 2 linear regulators.
■ Programmable switching regulator
■ Negative switching regulator
■ Internal isolation FET
■ Voltage monitoring
■ Power On Reset with integrated delay
■ Shock sensor circuitry
■ 8-bit ADC with multiplexed inputs
■ Thermal sense circuit and over temperature shutdown