SM8613AV – LASER DIODE DRIVER
Pin Name Direction Description
1 LDISET → laser diode driver LD drive maximum current setting resistor connection
2 NC1 – no connection
3 MUTE → laser diode driver intermittent drive stop signal
4PCK → laser diode driver intermittent control reference pulse input
5 DUTYADJ → laser diode driver intermittent duty ratio adjust resistor connection
6 FLOCK → laser diode driver intermittent drive control signal
7 NC2 – no connection
8 GND GND ground
9 PDVIN → laser diode driver laser luminosity monitor voltage input
10 NC3 – no connection
11 LDOFF → laser diode driver LD drive current control signal
12 LDIOUT laser diode driver → LD drive current output
13 VCC +2.6V supply voltage
14 RG2 laser diode driver → APC frequency response control capacitor connection
15 NC4 – no connection
16 RG1 → laser diode driver APC loop gain control resistor connection
LV8222W – PWM-DRIVER
Pin Name Direction Description
1RF → PWM-driver output current detection pin
2 COM PWM-driver → common point of spindle motor
3VS → PWM-driver power supply for spindle motor driver
4 CP1 PWM-driver → charge pump pulse output pin
5 CPC1 → PWM-driver pin for charge pump
6 CP2 PWM-driver → charge pump pulse output pin
7 CPC2 → PWM-driver pin for charge pump
8VG → PWM-driver pin for charge pump
9 VCC +2.6V power supply for the small signal system circuit
10 FG PWM-driver → µP FG pulse output
11 FIL → PWM-driver waveform synthetic signal filter pin
12 COMIN → PWM-driver differential input of position detection comparator
13 S_S µP → PWM-driver start/stop input of spindle motor block
14 PWM → PWM-driver PWM signal input of spindle motor block
15 BRK → PWM-driver brake input of spindle motor block
16 MODE1 → PWM-driver PWM frequency switching pin of spindle motor block
17 MODE2 → PWM-driver soft switching characteristic select pin of spindle motor block
18 NC – no connection
19 RMAX → PWM-driver sets maximum frequency of VCO pin
20 VCOIN → PWM-driver pin to control voltage of VCO pin
21 VCO → PWM-driver oscillation frequency of VCO pin
22 VGREG → PWM-driver pre-drive regulator pin
23 VSMON PWM-driver → µP power supply voltage monitor pin
24 TGND GND ground of small signal system
25 GND GND ground of small signal system
26 CLK µP → PWM-driver channel 3 reverse output
27 IN3R → PWM-driver logic input pin of actuator H-bridge 3
28 IN3F → PWM-driver logic input pin of actuator H-bridge 3
29 IN2R → PWM-driver logic input pin of actuator H-bridge 2
30 IN2F → PWM-driver logic input pin of actuator H-bridge 2
31 IN1R → PWM-driver logic input pin of actuator H-bridge 1
32 IN1F → PWM-driver logic input pin of actuator H-bridge 1
33 VS3 +A power supply for H-bridge 3
34 MUTE µP → PWM-driver H-bridge and three-phase sled mute pin
35 OUT3R PWM-driver → H-bridge forward/reverse output 3
36 PGND3 GND ground of H-bridge output block 3
37 OUT3F PWM-driver → H-bridge forward/reverse output 3
38 OUT2R PWM-driver → H-bridge forward/reverse output 2
39 VS2 +A power supply for H-bridge 2
40 PGND2 GND ground of H-bridge output block 2
41 OUT2F PWM-driver → H-bridge forward/reverse output 2
42 OUT1R PWM-driver → H-bridge forward/reverse output 1
43 PGND1 GND ground of H-bridge output block 1
44 VS1 +A power supply for H-bridge 1
45 OUT1F servo driver → H-bridge forward/reverse output 1
46 WOUT PWM-driver → output pin for spindle motor
47 VOUT PWM-driver → output pin for spindle motor
48 UOUT PWM-driver → output pin for spindle motor
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