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CS464 Datasheet(PDF) 3 Page - Cherry Semiconductor Corporation

Part # CS464
Description  Single Coil Predriver
PDF  4 Pages
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Manufacturer  CHERRY [Cherry Semiconductor Corporation]
Direct Link  http://www.cherrycorp.com/
Logo CHERRY - Cherry Semiconductor Corporation

CS464 Datasheet(HTML) 3 Page - Cherry Semiconductor Corporation

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3
Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
Flip-Chip
16 Lead
(Bump #)
SO Wide
1
13
OUT
Output control of darlington driver.
2
15
S
Current sense feedback input.
3
16
CS
Stall timer capacitor.
4
1
MB
Master current bias resistor.
5
2,3,6,7,10,14
NC
No connection.
6
4
CR
Reset capacitor.
7
5
IN+
Input control.
8
IN-
Negative input control (grounded in 16 Lead SO package).
9
8
Gnd
Ground.
10
9
VCC
Input supply voltage.
11
11
D
Darlington drive supply input.
12
12
IC
Input collector voltage sense.
13
TEST
Test bump, grounded.
+
-
+
-
+
-
+
-
-
+
+
-
VBAT
RVCC
330
W
VCC
Power
Supply
Gnd
VR
VBG
OVS
PNP Current Source Bias
VR
MB
RMB
10.7k
CR
0.1
mF
CR
VR
8.4
mA
33.6
mA
25%
CS
25%
CS
0.47
mF
VR
149
mA
1.1
mA
VR
149k
31.9
mA
P2
RIN+
10k
+
-
IN+
Negative
Edge
Filter
LOGIC1
C
Q
D
R
Combinational
Logic
INPUT
25%
CR > VREF
STALL
ILIMIT
VR
BG
CS
8k
VREF
CR
BG
CR
5k
63.7k
7k
12k
BG
100k
VR
N1
N2
N3
BG
2.55k
0.63k
To CR, CS Current Sources
DWELL
VR
OVS
N4
N5
P1
D
OUT
IC
13.7V
Clamp
ND1
ND2
Spark Plug
RD
55
W, 5W
S
25%
25%
*Stall
VIN
CVCC
0.1
mF
ZD
18V
RIC2
4k
RIC1
200
W
RS2
0.05
W, 5W
RS1
56
W
Adjust for 6.5A Coil Current
Block Diagram



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