FAN8741GX Fairchild Semiconductor, FAN8741GX Datasheet
FAN8741GX
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FAN8741GX_NLTR
FAN8741GX_NLTR
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FAN8741GX Summary of contents
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... The FAN8741MTF/FAN8742MTF is available in a 56-TSSOP-EP package, which is very thin and the leadframe is exposed to the bottom side. Ordering Information Device Package FAN8741G 56-SSOP-HS FAN8741GX 56-SSOP-HS FAN8742G 56-SSOP-HS FAN8742GX 56-SSOP-HS FAN8741MTF 56-TSSOP-EP FAN8741MTFX 56-TSSOP-EP ...
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Internal Block Diagram MUTE1 22 Mute Selection &Spindle brake sel. MUTE2 23 SVCC1 52 DGND 56 48 VDD 55 VCP VCP 54 CP2 OSC CP1 53 47 IN3 46 IN4 PVCC3 42 44 DO4 DO4 PGND5 31 PVCC2 ...
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Pin Assignments (Leadframe exposed to the bottom side) VM1 HU+ HU- HV+ HV- HW+ HW- VH PGND1 U RSP1 V PGND2 W RSP2 SL1+ SL1- SL2+ SL2- PGND3 REF MUTE1 MUTE2 RSL1 RSL2 VM2 SVCC2 SGND FAN8741/FAN8742 Rev. 1.0.1 1 ...
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Pin Assignments (Leadframe exposed to the top side) DGND 1 VCP 2 CP2 3 CP1 4 SVCC1 DIR 7 SPIN 8 VDD 9 IN3 10 IN4 11 PGND5 12 DO4- 13 DO4+ 14 PVCC3 15 DO3- 16 ...
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Pin Definitions Pin Number Pin Number (exposed to top) (exposed to bottom ...
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Pin Definitions(continued) Pin Number Pin Number (exposed to top) (exposed to bottom ...
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Absolute Maximum Ratings ( Parameter Supply Voltage (Signal block) Supply Voltage (Digital block) Supply Voltage (Spindle/Sled/BTL/BTL pre driver) Power Dissipation (56-TSSOP-EP) Power Dissipation (56-SSOP-HS) Operating Temperature Range Storage Temperature Range Maximum Output Current (Spindle) Maximum Output Current ...
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Case 1: Single layer PCB with 1 signal plane only, PCB size is 76mm 2. 56-TSSOP-EP, Case 2: Multi layer PCB with 1 signal, 1 power and 1 ground planes, PCB size is 76mm plane sizes for power ...
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ELECTRICAL CHARACTERISTICS ( (Ta=25 C, SVCC1=VDD=PVCC1=VM2=5V,VM1=SVCC2=PVCC2=PVCC3=12V unless otherwise noted) Parameter COMMON PART Quiescent Circuit Current 1 Quiescent Circuit Current 2 Quiescent Circuit Current 3 Mute Low Voltage Mute High Voltage Mute Input Current Charge Pump Voltage 1 ...
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ELECTRICAL CHARACTERISTICS ( continued) (Ta=25 C, SVCC1=VDD=PVCC1=VM2=5V,VM1=SVCC2=PVCC2=PVCC3=12V unless otherwise noted) Parameter CH1,CH2 DRIVE PART (TYPICALLY ACTUATOR DRIVER) Output Saturation Voltage H Output Saturation Voltage L Closed Loop Voltage Gain Output Offset Voltage CH3,CH4 DRIVE PART (TYPICALLY TILT,LOADING ...
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Equivalent Circuits (Pins numbered according to FAN8741MTF) Charge Pump Outputs SVCC2 SVCC2 53 54 Spin Input SVCC1 1K 49 10K Hall Bias Input SVCC1 8 Spindle Drive Outputs FAN8741/FAN8742 Rev. 1.0.1 SVCC2 55 SVCC1 ...
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Equivalent Circuits(continued) Sled 1 & 2 Inputs SVCC2 10K CH1/2/3/4 (BTL Channels) Inputs SVCC2 10K Reference Input SVCC2 21 CH3 Outputs SVCC2 PVCC2 FAN8741/FAN8742 Rev. 1.0.1 (Pins numbered according to FAN8741MTF) SVCC2 ...
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Application Information 1. Torque Control & Output Current Control of 3-phase Bldc Motor Inside IC 10K Torque AMP R 10K EXT1 SPIN V REF 1) By amplifying the voltage difference between V voltage(V ) which means input current command. AMP ...
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Torque Control & Output Current Control Of Sled Motor(2-phase Step Motor) Inside IC 10K Torque AMP R 10K EXT1 SLIN1 (or SLIN2) V REF 1) By amplifying the voltage difference between V the input voltage(V ) which means input ...
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Channel 1~4 Schematic Command • The reference voltage(ref) is given externally through pin21. • The input OP-amp output signal is amplified by (20K/10K) times and then fed to the power amplifier. The gain of power amplifier ...
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Reverse Rotation Prevention(Spindle) SPIN + VREF - HV the state of the forward rotation, the D-F/F output HIGH and the motor rotates normally. At this ...
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Hall Sensor Connection HALL 1 7. PWM frequency The PWM operation of the spindle and sled channels are controlled by an internal clock generator with a typical frequency of 100KHz. 8. ETC 1) FG and DIR output s are ...
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Spindle Part Input-output Timing Chart current 0[A] (HU-)+(HV+) U voltage 0[V] V current 0[A] (HV-)+(HW+) V voltage 0[V] W current 0[A] (HW-)+(HU+) W voltage 0[V] FAN8741/FAN8742 Rev. 1.0 HU+ HU- HV+ HV- 18 ...
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Typical Application Circuits(FAN8741MTF example) R_hall1 5V 3-Phase BLDC Motor Sled(stepping) Motor 0.1 F (for sled, 5~12V) Component Reference value R1~R7 10k R_hall1,R_hall2 100 RSL1,RSL2 1 RSP 0.33 Bypass electrolytic capacitors(47~100 F) are recommended at power supply inputs. FAN8741/FAN8742 Rev. 1.0.1 ...
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Typical Application Circuits(FAN8741G example Loading Tilt actuator Tracking actuator actuator Component Reference value R1~R7 10k R_hall1,R_hall2 100 RSL1,RSL2 1 RSP 0.33 Bypass electrolytic capacitors(47~100 F) are recommended at power supply inputs. FAN8741/FAN8742 Rev. 1.0.1 1 DGND VM1 ...
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Package Dimensions of 56-TSSOP-EP FAN8741/FAN8742 Rev. 1.0.1 (lead frame is exposed to the bottom) 56-TSSOP-EP 21 unit=mm www.fairchildsemi.com ...
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Package Dimensions of 56-SSOP-HS FAN8741/FAN8742 Rev. 1.0.1 (lead frame is exposed to the top) 56-SSOP-HS 22 unit=mm www.fairchildsemi.com ...
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FAN8741/FAN8742 Rev. 1.0.1 23 www.fairchildsemi.com ...