BH6541KV – SERVO DRIVER
Pin Name Direction Description
1 PVCC1_1 +A power supply for H-bridge driver
2 PVCC1_2 +A power supply for H-bridge driver
3 HBOUT1 servo driver → H-bridge driver output
4 HBOUT2 servo driver → H-bridge driver output
5 PGND1_1 GND power ground
6 PGND1_2 GND power ground
7 W_OUT servo driver → spindle phase W
8 PVCC2 → servo driver power supply for spindle driver
9 V_OUT servo driver → spindle phase V
10 PGND2 GND power ground
11 U_OUT servo driver → spindle phase U
12 PVCC3 → servo driver power supply for spindle driver
13 SPCOM → servo driver motor coil center input terminal
14 SPWIN → servo driver comparator input for SPIN detection (W-phase)
15 SPVIN → servo driver comparator input for SPIN detection (V-phase)
16 SPUIN → servo driver comparator input for SPIN detection (U-phase)
17 CST → servo driver connection terminal of starting oscillating condenser
18 VCC +2.6V power supply for control block
19 GND GND ground
20 VG → servo driver power supply for gate of power MOS
21 CSL2 → servo driver connection terminal 2 for slope capacitor
22 CSL1 → servo driver connection terminal 1 for slope capacitor
23 MUTE1 µP → servo driver mute terminal for all
24 MUTE2 µP → servo driver mute terminal for channel 1, 2, 3
25 VO3F servo driver → channel 3 forward output
26 VO3R servo driver → channel 3 reverse output
27 PVCC4 → servo driver power supply for H-bridge driver
28 PGND3 GND power ground
29 C2N → servo driver capacitor 2 connect pin for charge pump (-)
30 C2P → servo driver capacitor 2 connect pin for charge pump (+)
31 C1N → servo driver capacitor 1 connect pin for charge pump (-)
32 C1P → servo driver capacitor 1 connect pin for charge pump (+)
33 VO2F servo driver → channel 2 forward output
34 VO2R servo driver → channel 2 reverse output
35 VO1F servo driver → channel 1 forward output
36 VO1R servo driver → channel 1 reverse output
37 PGND4 GND power ground
38 EXTCLK → servo driver synchronous clock terminal
39 IN1F → servo driver channel 1 forward input
40 IN1R → servo driver channel 1 reverse input
41 IN2F → servo driver channel 2 forward input
42 IN2R → servo driver channel 2 reverse input
43 IN3F → servo driver channel 3 forward input
44 IN3R → servo driver channel 3 reverse input
45 FG servo driver → µP FG output
46 HBIN → servo driver H-bridge driver input
47 BRK → servo driver brake terminal
48 VMON → servo driver PVCC / 2 monitor terminal
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