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PDF CS4161 Data sheet ( Hoja de datos )
| Número de pieza | CS4161 | |
| Descripción | Dual H-Bridge Odometer Driver | |
| Fabricantes | ON Semiconductor | |
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CS4161
85 mA Dual H-Bridge
Odometer Driver with
Divide by Select and UVLO
The CS4161 is a Stepper Motor Driver that implements an
H–Bridge design in order to drive two coils in an eight step sequence
per revolution in the divide by 1 mode; 16 step sequence in the divide
by 2 mode. The H–Bridge is capable of delivering 85 mA to the load.
The sequencer insures that the odometer is monotonic. This
sequencer is configured such that simultaneous conduction does not
occur. Before each successive output sequence the part is taken
through a state where both outputs are turned off individually. This
tends to minimize the inductive kick back energy that the part must
absorb. On chip clamp diodes are across each output to protect the part
from the kick back energy that it must absorb.
The CS4161 includes overvoltage and short circuit protection
circuitry. It is lead for lead compatible with the CS8441. The CS4161
includes an additional undervoltage lockout (UVLO) function which
disables the output stage until the supply voltage rises above 5.6 V,
typically. The UVLO has hysteresis to prevent any power up glitching.
Features
• Undervoltage Lockout
• Cross–Conduction Prevention Logic
• Divide by 1 and Divide by 2 Modes
• Guaranteed Monotonic
• On–Chip Flyback Diodes
• Fault Protection
– Overvoltage
– Load Dump Protection to 60 V
http://onsemi.com
8
1
DIP–8
N SUFFIX
CASE 626
PIN CONNECTIONS AND
MARKING DIAGRAM
1
GND
COILA+
COILA–
SENSOR
8
VCC
COILB+
COILB–
SELECT
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
ORDERING INFORMATION
Device
Package
Shipping
CS4161YN8
DIP–8
50 Units/Rail
VCC
SENSOR
Input
Comp.
Coil
Driver
A
COILA+
COILA–
Sequencer
Overvoltage
and
Short Circuit
Protection
SELECT
GND
B1
B2
Coil
Driver
B
Figure 1. Block Diagram
© Semiconductor Components Industries, LLC, 2001
March, 2001 – Rev. 6
COILB+
COILB–
1
Publication Order Number:
CS4161/D
1 page  
CS4161
State # 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0
SSI
Coil A
Coil B
Figure 3. Divide by 1 (8 Step Mode), SELECT = 1
State # 0 1 2 3 4 5 6 7 0
SSI
Coil A
Coil B
Figure 4. Divide by 2 (16 Step Mode), SELECT = 0
COIL A
210 ±12 Ω
80 mH
COIL B
210 ±12 Ω
80 mH
D1
1.0 A
600 PIV
IGN
R1
3.9 Ω
500 mW
Buffered Speed Signal
(Open Collector Drive)
R3
15 kΩ
Z1
50 V
500 mW
R2
100 kΩ
COILA+ COILA– COILB+ COILB–
CS4161
SENSOR
VCC SELECT GND
C1
10 µF
C2
0.1 µF
C3
0.01 µF
Figure 5. Odometer Application Diagram
http://onsemi.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CS4161.PDF ] | |
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