CS4161 [ONSEMI]
85 mA Dual H-Bridge Odometer Driver with Divide by Select and UVLO; 85毫安双H桥驱动器里程表带有分频选择和UVLO型号: | CS4161 |
厂家: | ONSEMI |
描述: | 85 mA Dual H-Bridge Odometer Driver with Divide by Select and UVLO |
文件: | 总8页 (文件大小:59K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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.
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DIP–8
N SUFFIX
CASE 626
8
1
PIN CONNECTIONS AND
MARKING DIAGRAM
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.
8
1
GND
V
CC
COILA+
COILB+
COILA–
COILB–
SELECT
SENSOR
Features
• Undervoltage Lockout
• Cross–Conduction Prevention Logic
• Divide by 1 and Divide by 2 Modes
• Guaranteed Monotonic
A
= Assembly Location
= Year
WL, L = Wafer Lot
YY, Y
WW, W = Work Week
• On–Chip Flyback Diodes
• Fault Protection
ORDERING INFORMATION
Device
CS4161YN8
Package
Shipping
50 Units/Rail
– Overvoltage
– Load Dump Protection to 60 V
DIP–8
V
CC
Coil
Driver
A
Input
Comp.
COILA+
COILA–
SENSOR
Overvoltage
and
Sequencer
Short Circuit
Protection
B 1
B 2
SELECT
GND
Coil
Driver
B
COILB+
COILB–
Figure 1. Block Diagram
Semiconductor Components Industries, LLC, 2001
1
Publication Order Number:
March, 2001 – Rev. 6
CS4161/D
CS4161
ABSOLUTE MAXIMUM RATINGS*
Rating
Value
Unit
Supply Voltage (V ) (Note 1.):
Continuous
100 ms Pulse Transient
–0.5 to 24
–0.5 to 60
V
V
CC
Input Voltage (V
)
–0.3 to V + 0.3
V
IN
CC
Operating Temperature Range
Storage Temperature Range (TSTG)
Junction Temperature Range
ESD (Human Body Model)
–40 to 125
–65 to 150
–40 to 150
2.0
°C
°C
°C
kV
°C
Lead Temperature Soldering:
Wave Solder: (through hole styles only) (Note 2.)
260 peak
1. –40°C to +125°C.
2. 10 second maximum.
*The maximum package power dissipation must be observed.
ELECTRICAL CHARACTERISTICS (–40°C ≤ T ≤ 125°C, 6.5 V ≤ V ≤ 15.5 V; unless otherwise stated. All voltage
A
CC
shall be referenced to GND unless otherwise noted. Overvoltage shutdown of coils occurs when V > 16 V.)
CC
Characteristic
Test Conditions
Min
Typ
Max
Unit
Supply, V
CC
Supply Voltage Range
–40°C ≤ T ≤ 125°C
6.5
6.5
–
–
–
–
15.5
24
35
V
DC
V
DC
V
DC
A
–40°C ≤ T ≤ 25°C
A
Transient Pulse, 100 ms
Supply Current
V
= 15.5 V , Outputs not loaded.
–
24
–
35
23
mA
V
CC
DC
Overvoltage Shutdown
Undervoltage Lockout Voltage
–
16
V
CC
Initial Power Up
5.1
5.6
6.1
V
UVLO Hysteresis
200
600
1000
mV
Speed Sensor Input, SENSOR
Input Frequency Range
Switching Threshold
Hysteresis
–
–
–
–
1.2
300
–
0.2
–
1.0
2.6
–
kHz
V
DC
500
0.1
–
mV
DC
Input Bias Current
0.8 V ≤ V ≤ V
±1.0
µA
DC
IN
CC
Input Voltage Range
Operating Input Voltage
Input Clamp Current
Divider Select Input, SELECT
Logic 0 Input Voltage
Logic 1 Input Voltage
Logic 0 Input Current
Logic 1 Input Current
Coil Output Drivers
Coil Load
–
0
V
CC
V
DC
V
DC
10 kΩ Resistor in Series
–
–
–15 to V
–5.0
CC
I Clamp at V = 0 V
–
–0.4
mA
IN
DC
–
–
–
3.0
–
–
100
mV
DC
–
V
CC
V
DC
0 V ≤ V ≤ 100 mV
–1.0
0.75
–100
2.0
µA
IN
3.0 V ≤ V ≤ 15.5 V
–
mA
IN
DC
+25°C
198
–
210
80
–
222
–
Ω
Coil Inductance
–
mH
Coil Resistance Temperature
Coefficient
–
0.35
%/°C
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2
CS4161
ELECTRICAL CHARACTERISTICS (continued) (–40°C ≤ T ≤ 125°C, 6.5 V ≤ V ≤ 15.5 V; unless otherwise stated. All voltage
A
CC
shall be referenced to GND unless otherwise noted. Overvoltage shutdown of coils occurs when V > 16 V.)
CC
Characteristic
Test Conditions
Min
Typ
Max
Unit
Coil Output Drivers (continued)
Energized Coil Voltage (Note 3.)
(Both Polarities) A and B
V
CC
V
CC
V
CC
V
CC
= 6.5 V
= 10 V
V
V
V
CC
– 1.5 V
– 1.6 V
– 1.75 V
– 2.0 V
V
CC
V
CC
V
CC
V
CC
– 0.9 V
– 1.0 V
– 1.1 V
– 1.2 V
–
–
–
–
V
DC
V
DC
V
DC
V
DC
DC
DC
CC
CC
= 15.5 V , –20°C ≤ T ≤ 125°C
= 15.5 V , –40°C ≤ T ≤ –20°C
DC
A
V
CC
DC
A
De–energized Coil Leakage Current
–
–
±100
–
µA
Short Circuit Protection
Short Circuit Threshold
I Coil A + I Coil B
–
–
–
–
275
5.0
400
–
mA
Short Circuit Turn–Off Delay
µs
3. Voltage across the coils shall be measured at the specific voltages, but shall also be within linearly interpolated limits.
PACKAGE PIN DESCRIPTION
PACKAGE PIN #
DIP–8
PIN SYMBOL
FUNCTION
1
2
3
4
5
6
7
8
GND
Ground connection.
COILA+
COILA–
SENSOR
SELECT
COILB–
COILB+
Output stage, when active, this lead supplies current to COIL A.
Output stage, when active, this lead supplies current to COIL A.
Input signal from wheel speed or engine rpm.
Selects divide by 1 or divide by 2 mode.
Output stage, when active, this lead supplies current to COIL B.
Output stage, when active, this lead supplies current to COIL B.
Supply voltage.
V
CC
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3
CS4161
CIRCUIT OPERATION
SPEED SENSOR INPUT
The polarity definition for the coil driver outputs is as
follows:
SENSOR is a PNP comparator input which accepts either
a sine wave or a square wave input. This input is protected
Polarity
Connect Coil +
Connect Coil –
from excursions above V as well as any below ground as
CC
Positive (+)
Negative (–)
V
GND
CC
long as the current is limited to 1.5 mA. It has an active
clamp set to zero volts to prevent negative input voltages
from disrupting normal operation. The sensor input can
GND
V
CC
withstand 150 V as long as the input current is limited to
1.5 mA max. using a series resistor of 100 kΩ.
DC
DIVIDER SELECT INPUT
The speed sensor input frequency is either divided by one
or divided by two depending on the state of the SELECT
input as follows:
COIL DRIVER OUTPUTS
Simultaneously energizing the source and sink on either
leg is not permitted, i.e. Q1 & Q2 or Q3 & Q4 cannot be
energized simultaneously.
Logic 0 = divide by 2.
Logic 1 = divide by 1.
Circuit function is not affected by inductive transients due
to coil loads as specified in the Transition States section.
The transition states occur as indicated in Table 1 without
any intermediate states permitted.
Table 1. Transition States
State
Coil A
Coil B
0
1
2
3
4
5
6
7
+
OFF
–
+
+
+
–
OFF
–
–
OFF
+
–
–
+
OFF
Short
Circuit
V
CC
Sense
Resistor
Q1
Q2
Q3
Q4
Overvoltage
and
Coil
Short Circuit
Protection
Short
Circuit
GND
Sense
Resistor
Figure 2. Coil Driver Output
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4
CS4161
State #
SSI
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0
Coil A
Coil B
Figure 3. Divide by 1 (8 Step Mode), SELECT = 1
0
1
2
3
4
5
6
7
0
State #
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
COILA+ COILA–
COILB+ COILB–
SENSOR
GND
CS4161
D1
1.0 A
V
CC
SELECT
600 PIV
IGN
Z1
50 V
500 mW
R1
3.9 Ω
500 mW
C1
C2
10 µF
0.1 µF
R3
15 kΩ
Buffered Speed Signal
(Open Collector Drive)
C3
0.01 µF
R2
100 kΩ
Figure 5. Odometer Application Diagram
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5
CS4161
PACKAGE DIMENSIONS
DIP–8
N SUFFIX
CASE 626–05
ISSUE L
NOTES:
1. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
2. PACKAGE CONTOUR OPTIONAL (ROUND OR
SQUARE CORNERS).
8
5
3. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
–B–
MILLIMETERS
INCHES
MIN
0.370
1
4
DIM MIN
MAX
MAX
0.400
0.260
0.175
0.020
0.070
A
B
C
D
F
9.40
6.10
3.94
0.38
1.02
10.16
6.60 0.240
4.45 0.155
0.51 0.015
1.78 0.040
F
–A–
NOTE 2
L
G
H
J
2.54 BSC
0.100 BSC
0.76
0.20
2.92
1.27 0.030
0.30 0.008
0.050
0.012
0.135
K
L
3.43
0.115
C
7.62 BSC
0.300 BSC
M
N
---
0.76
10
---
1.01 0.030
10
0.040
_
_
J
–T–
SEATING
PLANE
N
M
D
K
G
H
M
M
M
B
0.13 (0.005)
T A
PACKAGE THERMAL DATA
Parameter
DIP–8
52
Unit
R
R
Typical
Typical
°C/W
°C/W
Θ
Θ
JC
JA
100
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6
CS4161
Notes
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7
CS4161
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CS4161/D
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