SH236 [SECOS]
Hall Effect Latch Sink Driver IC; 霍尔效应锁存接收器驱动IC
| 型号： | SH236 |
| 厂家： | 
SECOS HALBLEITERTECHNOLOGIE GMBH |
| 描述： | Hall Effect Latch Sink Driver IC |
| 文件： | 总6页 (文件大小：535K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SH236
Complementary Output
Elektronische Bauelemente
Hall Effect Latch Sink Driver IC
RoHS Compliant Product
Description
The SH236 is an integrated Hall effect latched sensor with
output pull-high resistor driver designed for electronic co-
mmutation of brushless DC motor applications. The device
includes an on-chipHall voltage generator for magnetic
amplifies the Hall voltage, and a
sensing, a comparator that
Schmitt trigger to provide switching hysteresis for noise re-
jection, and complementary open-collector
drivers for sinking
large current loads.
An internal bandgap regulator is used to
provide temperature compensated supply voltage for internal
circuits and allows a wide operating supply
range. If a magnetic
flux density larger than threshold Bop, DO is turned on (low)
and DOB is turned off (high). The output state is held until a
magnetic flux density reversal falls below Brp causing DO to be
turned off and DOB turned on.
SH236 is rated for operation over
to 85 C and voltage range from
o
temperature range from -20oC
3.5V to 20V. The devices are available in low cost die forms or
rugged 4 pin SIP packages.
Millimeter
Millimeter
REF.
REF.
Features
Min.
1.295
0.610
0.330
0.406
Max.
Min.
5.105
3.531
14
Max.
1.803
5.359
3.785
16
A
A1
b
D
E
L
* High Output Sinking Capability Up To 200mA For Driving Large Load
* Build In Protection Diode For Chip Reverse Power Connecting
* On-Chip Hall Sensor IC With Two Different Sensitivity And
Hysteresis Settings For SH236
* Lower Current Change Rate Reduces The Peak Output Voltage
During Switching
* Internal Bandgap Regulator Allows Temperature Compensated
Operations And A Wide Operating Voltage Range
* Package : SIP-4L
0.432
0.508
1.27REF
b1
e
Applications
* Brushless DC Motor
* Speed Measurement
* Revolution Counting
* Brushless DC Fan
Pin Descriptions
P/I/O Pin# Description
Name
Vcc
DO
DOB
Vss
P
O
O
P
1
2
3
4
Positive Power supply
Output Pin
Output Pin
Ground
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Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 1 of 6
SH236
Complementary Output
Elektronische Bauelemente
Hall Effect Latch Sink Driver IC
Function Block Diagrams
Absolute Maximum Ratings at Ta= 25oC
Value
Parameter
Symbol
Unit
V
Supply Voltage
20
VCC
Reverse VCC Polarity Voltage
Magnetic Flux Density
Output OFF Voltage
V
VRCC
-35
Unlimited
35
B
VCE
V
Continuous
Hold
200
Output ON Current
IC
mA
400
Peak (Start UP)
700
o
-20~85
-65~150
C
o
C
TA
TS
PD
Tj
Operating Temperature Range
Storage Temperature Range
Package Power Dissipation
Max. Junction Temperature
mW
oC
550
175
Electrical Characteristics (Ta=+25ć, Vcc=4.0V to 20V)
Parameter
Low Supply Voltage
Supply Voltage
Symbol
Vce
Test Conditions
Min
Typ
0.4
-
Max
-
20
0.9
Unit
Vcc=3.5V, IL=100mA
-
-
3.5
-
V
V
V
Vcc
Output Saturation Voltage
Vce(sat) Vcc=14V, IL=300mA
0.6
Output Leakage Current
Supply Current
Output Rise Time
Output Falling Time
Switch Time Differential
ICex
ICC
Tr
Tf
Ӕt
Vce=14V, Vcc=14V
Vcc=20V, Output Open
Vcc=14V, RL=820Ω, CL=20pf
Vcc=14V, RL=820Ω, CL=20pf
Vcc=14V, RL=820Ω, CL=20pf
-
-
-
-
-
<0.1
13
3.0
0.3
3.0
10
20
10
1.5
10
uA
mA
us
us
us
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Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 2 of 6
SH236
Complementary Output
Elektronische Bauelemente
Hall Effect Latch Sink Driver IC
Power dissipation VS. Environment Temperature
Ta(к)
25 50 60 70 80 85 90 95 100 105 110 115 120
Pd(mW) 550 525 515 505 485 475 465 455 445 425 405 385 365
P ow er Dissipation C urve
P d (m W )
600
500
400
300
200
100
0
25
50
75
100
125
150
T a (ºC )
Magnetic Characteristics
Ta=+25к
Ta=0к to 70к
Characteristic
Symbol
Unit
Min
Max
Min
-
Max
70
BIN A
Bop
-
-
-
70
100
130
0
Gauss
Gauss
Gauss
Gauss
Gauss
Gauss
Gauss
Gauss
Gauss
Bop
Bop
Brp
Brp
Brp
Bhys
Bhys
Bhys
Operate Point
BIN B
BIN C
BIN A
BIN B
BIN C
BIN A
BIN B
BIN C
-
-
100
130
0
-
-
140
200
220
-70
-100
-130
40
50
60
-70
-100
-130
20
30
40
Release Point
Hysteresis
-
-
110
150
160
Test Circuit
14V
Vout1(DO)
RL1
Vout2(DOB)
RL2
CL2
CL1
RL1=RL2=820 Ohm
CL1=CL2=20 pF
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Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 3 of 6
SH236
Complementary Output
Elektronische Bauelemente
Hall Effect Latch Sink Driver IC
Hysteresis Characteristics
Bin A
DOB
DO
12
12
RP
OFF
OFF
OP
10
8
10
8
6
6
4
4
2
2
ON
OP
RP
ON
-200
-100
0
100
200
-200
-100
0
100
200
Magnetic Flux Density in Gauss
Magnetic Flux Density in Gauss
Bin B
DOB
DO
12
12
RP
OFF
OFF
OP
10
8
10
8
6
6
4
4
2
2
ON
OP
RP
ON
-200
-100
0
100
200
-200 -100
0
100
200
Magnetic Flux Density in Gauss
Magnetic Flux Density in Gauss
Bin C
DOB
DO
12
12
RP
OFF
OFF
OP
10
8
10
8
6
6
4
4
2
2
ON
OP
RP
ON
-200
-100
0
100
200
-200
-100
0
100
200
Magnetic Flux Density in Gauss
Magnetic Flux Density in Gauss
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Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 4 of 6
SH236
Complementary Output
Elektronische Bauelemente
Hall Effect Latch Sink Driver IC
Electrical Characteristics Curves
Typical Supply Current VS. Supply Voltage
0
1.5
3
4.5
6
7.5
9
10.5
12
13.5 15
16.5 18
19.5
Vcc (V)
Output Driving Capacity
Vcc=12V
IL (mA)
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Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 5 of 6
SH236
Complementary Output
Elektronische Bauelemente
Hall Effect Latch Sink Driver IC
Application Circuit Double Coil
1) Output on current, Ic > 250mA
2) With FG output
Remark: C1, C2: Capacitor 2.2ꢀF~4.7ꢀF (optional)
Remark: C1: Capacitor 0.1ꢀF~1ꢀF R1: Resister 1Kꢁ
Package Information
Active Area Depth
Package Sensor Location
1.75mm
1.35mm
Top
View
Top
Marking
Site
View
0.7mm
1
2
3
4
Tolerance: +/- 0.05mm
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Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 6 of 6
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