TDA5147CH Datasheet, PDF (14/32 Pages) NXP Semiconductors – 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip

Table 4 One-shot, comparators, filter, amplifier and logic decoder modes
FUNCTION
Spindle enable
Spindle disable
PORN LOW
Sleep
ONE-SHOT
ON
ON
ON
ON
CURRENT
COMPARATOR
ON
ON
ON
ON
PWM DECODER
FILTER
ON
ON
ON
ON
SMODE
COMPARATOR
ON
ON
ON
ON
CURRENT SENSE
AMPLIFIER
ON
ON
OFF
OFF
LOGIC DECODER
ON
ON
ON
ON
Table 5 V_ISREF, PWM, power, PORN and retract modes
FUNCTION
VCM enable
VCM disable
Park
Sleep
PORN LOW
V_ISREF BUFFER
ON
ON
ON
OFF
OFF
PWM DECODER
ON
ON
ON
OFF
OFF
12 V AND 5 V
COMPARATOR
ON
ON
ON
ON
ON
FILTER
AMPLIFIER
ON
ON
ON
OFF
OFF
PORN DETECTOR
ON
ON
ON
ON
ON
RETRACT CIRCUIT
OFF
OFF
ON
OFF
ON
Table 6 Reference, sense, thermal, voltage and sleep modes
FUNCTION
VCM enable
VCM disable
Park⁽¹⁾
Sleep
PORN LOW
3 LEVEL
VOLTAGE
ON
ON
ON
ON
ON
V_ref
OUTPUT
BUFFER
ON
ON
ON
OFF
OFF
V_ref
OUTPUT
SENSE2 SENSE1
ON
ON
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
ON
ON
OFF
OFF
VCM POWER
AMPLIFIER
ON
OFF
OFF
OFF
OFF
Notes
1. Park will provide adjustable retract if the spindle brake is on, or if the spindle brake is enabled.
2. If SP disable is OFF.
3. Requires SP disable and VCM disable to be ON.
VOLTAGE THERMAL
GENERATOR SHUTDOWN
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
SLEEP
FUNCTION
OFF
OFF⁽²⁾
OFF
ON⁽³⁾
ON