8936 Ver la hoja de datos (PDF) - Allegro MicroSystems
Número de pieza
componentes Descripción
Fabricante
8936 Datasheet PDF : 10 Pages
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8936
VOICE COIL MOTOR DRIVER
FUNCTIONAL BLOCK DIAGRAM
= 'LW' WIDE-BODY SOIC
= 'JT' THIN QUAD FLATPACK
ACT FB 19 1
SIGNAL
SUPPLY
14 53
V CC
I SENSE +
LOAD
SUPPLY
22 8
VDD
ACT 15 55
REFERENCE 16 58
ERROR
– AMP
+
POWER
AMP
+
V REF
35 7 OUT
45 9 IN N
2 20 SGND P
13 23 OUT P
H GAIN 17 60
PWR OFF 18 62
2V –
POWER
CONTROL
LOGIC
TSD
I SENSE –
CURRENT-SENSE
AMP
–
V REF +
4 21 OUT N
15 24 SGND N
16 25 V SENS FB
21 27 VSENS
FAULT 12 50
MPRESET 13 51
PROTECTION
CIRCUITRY
33 28 27
53
2
RETRACT
CONTROL
23 25 47 34
28 1 11 6
Q
Q
19
26
WINDOW 46 10 VEL IN
S
COMP. VREF
R
36 8 EN VEL FLT
30
4
GROUND
Dwg. FP-030A
A8936CJT
2.0
+
V CC
PROTECT.
—
CIRCUIT
1.5
1.0
0.5
V DD
V REF
WINDOW
COMP.
V REF
+—
0
25
A
50
75
100
125
150
AMBIENT TEMPERATURE IN °C
Dwg. GP-034
SR
Q
RETRACT
CONTROL
PROTECT.
CIRCUIT
TM
MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
1W1o5rcNeosrttehre,aMsat sCsuatcohffu, sBeotxts1051063165-0036 (508) 853-5000
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Dwg. PP-052-1
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