8958 Просмотр технического описания (PDF) - Allegro MicroSystems
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8958 Datasheet PDF : 8 Pages
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8958
VOICE COIL
MOTOR DRIVER
PARK
VOLTAGE
8
LIMIT 5
+
1.5 V –
IN A– 11
IN A+ 10
GROUNDAB 6, 7
SENSE IN+ 17
SENSE IN– 9
4 kΩ
4 kΩ
PARK 22
PWR OK 20
(ACTIVE HIGH)
FUNCTIONAL BLOCK DIAGRAM
14 LOAD
SUPPLY
2 INHIBIT
–
A
1.5 V
+
12
OUT A
8 kΩ
+
–
8 kΩ
24
SENSE OUT
VBB
13
OUT B
TSD
–
B
+
15 INB–
16 IN B+
18, 19 GROUNDAB
23 PARK
DRIVE
1.5 V
V CC
BANDGAP REF
–
+
3V
1
LOGIC
SUPPLY
21 GROUND
+
–
+
1.5 V
–
4 UV1
3 UV2
Dwg. FP-020C
5
RθJT = 6.0°C/W
4
3
2
1
RθJA = 55°C/W
0
25
50
75
100
TEMPERATURE IN °C
125
150
Dwg. GP-033A
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1990, 2000 Allegro MicroSystems, Inc.
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