Pin Functions
Pin No.
Symbol
Pin voltage
18
UIN+
19
UIN–
20
VIN+
21
VIN–
22
WIN+
23
WIN–
1.5 V min
VCC – 1.0 V
max
LB1910
Equivalent circuit diagram
Function
U phase Hall element input
V phase Hall element input
W phase Hall element input
24
HB
0.8 V typ
(IH = 5 mA)
Minus side connection for providing the Hall bias
current
This pin becomes open in the stopped state, thus
cutting the Hall bias current.
25
FGIN+
26
FGIN–
27
FGOUT
2.5 V
• FG amplifier plus input
A 2.5-V reference voltage is generated
internally.
• FG amplifier minus input
• FG amplifier output
28
I+
1
I–
2
ID
L: 0.4 V max
H: 4.5 V min
Index input
Index output
Continued on next page.
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