TDA5149G |
RFQ for TDA5149G Required Field |
 |
| Product | Manufacturers | Pack | D/C |
| TDA5149G | - | QFP64 | - |
Typical Application |
Features |
| · 12 V high-performance hard disk drives. | 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 uncommitted 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 commutation control · Digital commutation timing · Average motor supply current control with Pulse Width Modulation (PWM) · Soft switching under PWM control · Spindle brake after park at power-down. |
| SYMBOL | PARAMETER | CONDITIONS | MIN. | MAX. |
UNIT |
| VDD | general supply voltage | indefinite time period | -0.3 | +13.5 | V |
| -0.3 | +15 | V | |||
| VDDD | digital supply voltage | indefinite time period | -0.3 | +6.0 |
V |
| -0.3 | +7.0 | V | |||
| VDDA | analog supply voltage | indefinite time period | -0.3 | +7.0 | V |
| -0.3 | +7.0 | V | |||
| VDDV | supply for VCM DMOS driver | indefinite time period | -0.3 | +13.5 | V |
| -0.3 | +15 | V | |||
| VCM+ | output voltage of the VCM power stage |
-0.7 | +15 | V | |
| VCM- | output voltage of the VCM power stage |
-0.7 | +15 | V | |
| ICM+ | output current of the VCM power stage |
current peak <0.5 s | -0.7 | 2.5 | A |
| ICM- | output current of the VCM power stage |
current peak <0.5 s | - | 2.5 | A |
| VMOT | BEMF comparator input voltage (pins 4, 7 and 10) |
-0.7 | - | V | |
| Vn | input voltages on other pins | <
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