TDA5149G
FEATURES
General features
- Single-chip voice coil motor driver and spindle motor pre-driver
- Internal voltage reference generator
- Programming of timing parameters via the serial bus
- Control of sleep, brake and disable modes for both the VCM and spindle via the serial bus
- Temperature monitor circuit
- General purpose unmitted operational amplifier. Voice coil motor driver
- On-board full-bridge power DMOS driver with low RDSon
- Class AB linear amplifier with no dead zone
- Adjustable gain and bandwidth
- Retract circuit operating at power-down. Spindle motor pre-driver
- Designed to drive external N-channel power MOSFETs for brushless, sensorless DC motors
- Internal or external mutation control
- Digital mutation timing
- Average motor supply current control with Pulse Width Modulation (PWM)
- Soft switching under PWM control
- Spindle brake after park at power-down. APPLICATIONS
- 12 V high-performance hard disk drives. GENERAL DESCRIPTION
The TDA5149G is a...
