NXP Semiconductors TDA5147CH
The TDA5147CH is an ASIC combination chip that includes the following functions: spindle motor driver voice coil motor driver retract Power-on. The circuit is contained in a 64-pin QFP package. The TDA5147CH is controlled by a custom digital ASIC (see Chapter “Application Information”).| Part No. | TDA5147CH |
|---|---|
| Datasheet | TDA5147CH Download |
| Manufacturer |  NXP Semiconductors |
| Description | 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip |
| Buy | Stock & Price |
FEATURES
Spindle motor driver● Internal 2 A peak current power drivers
● Low Rds(on) (1 Ω maximum total) for high, low and isolation drivers
● Induction sense start-up option
● External current sense resistor
● Soft switching on both upper and lower drivers
● Programmable linear or Pulse Width Modulation (PWM) spindle mode
● Provide spindle active dynamic braking mode. Voice coil motor driver
● 1.2 A VCM power driver
● Maximum of 1 V drop across the power driver at 0.8 A
● External current sense resistor, with sense amplifier
● External current control loop compensation
● 15 kHz (typ.) VCM current control loop bandwidth
● Three modes of operation: – Enable VCM – Retract – Disable
● Brake after park circuitry. Power monitor and retract circuit
● +5 V and +12 V power monitor threshold accuracy ±2%
● Hysteresis on both power monitor comparators
● Internal voltage reference: precision 2%
● Buffered reference voltage output pin ORDERING INFORMATION TYPE NUMBER TDA5147CH PACKAGE NAME QFP64...
