Datenblatt-pdf.com


A1155 Schematic ( PDF Datasheet ) - Allegro MicroSystems

Teilenummer A1155
Beschreibung Two Wire Hall-Effect Switches
Hersteller Allegro MicroSystems
Logo Allegro MicroSystems Logo 




Gesamt 14 Seiten
A1155 Datasheet, Funktion
A1150, A1152, A1153, A1155, A1156, A1157, and A1158
Chopper-Stabilized, Two-Wire Hall-Effect Switches
FEATURES AND BENEFITS
• AEC-Q100 automotive qualified
• High-speed, 4-phase chopper stabilization
• Low switchpoint drift throughout temperature range
• Low sensitivity to thermal and mechanical stresses
• On-chip protection
□Supply transient protection
□Reverse-battery protection
□On-board voltage regulator
□3 to 24 V operation
• Solid-state reliability
• Robust EMC and ESD performance
• Industry-leading ISO 7637-2 performance through use of
proprietary, 40 V clamping structures
Continued on the next page…
Packages
3-pin SOT23-W
2 mm × 3 mm × 1
mm (suffix LH)
3-pin ultramini SIP
1.5 mm × 4 mm × 3
mm (suffix UA)
2-pin ultramini SIP
1.5 mm × 4 mm × 4
mm (suffix UB)
Approximate footprint
DESCRIPTION
The A1150, A1152, A1153, A1155, A1156, A1157, and A1158
comprise a family of two-wire, unipolar, Hall-effect switches,
which are factory-trimmed to optimize magnetic switchpoint
accuracy.These devices are produced on theAllegro™ advanced
BiCMOS wafer fabrication process, which implements
a patented high-frequency, 4-phase, chopper-stabilization
technique. This technique achieves magnetic stability over
the full operating temperature range, and eliminates offsets
inherent in devices with a single Hall element that are exposed
to harsh application environments.
The A115x family has a number of automotive applications.
These include sensing seat track position, seat belt buckle
presence, hood/trunk latching, and shift selector position.
Two-wire unipolar switches are particularly advantageous in
cost-sensitive applications because they require one less wire
for operation versus the more traditional open-collector output
switches. Additionally, the system designer inherently gains
diagnostics because there is always output current flowing,
which should be in either of two narrow ranges. Any current
level not within these ranges indicates a fault condition.
All family members are offered in three package styles. The
LH is a SOT-23W style, miniature, low profile package for
surface-mount applications.The UAis a 3-pin, ultra-mini, single
inline package (SIP) for through-hole mounting. The UB is a
2-pin, ultra-mini, single inline package (SIP) for through-hole
mounting. All three packages are lead (Pb) free, with 100%
matte-tin leadframe plating.
UB package only
V+ VCC
LH & UA
package
only
0.01 µF
0.1 µF
Regulator
To all subcircuits
Clock/Logic
Amp
Low-Pass
Filter
Schmitt
Trigger
Polarity
A1152-DS, Rev. 10
Functional Block Diagram
GND
UA package only
GND






A1155 Datasheet, Funktion
A1150, A1152, A1153, A1155,
A1156, A1157, and A1158
Chopper-Stabilized, Two-Wire
Hall-Effect Switches
CHARACTERISTIC PERFORMANCE
A1152/A1153/A1155/A1156
Average Supply Current (Low) versus Temperature
7.0
A1152/A1153/A1155/A1156
Average Supply Current (Low) versus Supply Voltage
7.0
6.5
VCC = 24 V
6.0
VCC = 3.0 V
5.5
6.5
TA = 150°C
TA = –40°C
6.0
TA = 25°C
5.5
5.0
-60 -40 -20
0
20 40 60 80 100 120 140 160
Ambient Temperature, TA (°C)
A1150/A1157/A1158
Average Supply Current (Low) versus Temperature
5.0
4.5
4.0
VCC = 24 V
3.5
VCC = 3.0 V
3.0
2.5
2.0
-60 -40 -20 0
20 40 60 80 100 120 140 160
Ambient Temperature, TA (°C)
A1150/A1152/A1153/A1155/A1156/A1157/A1158
Average Supply Current (High) versus Temperature
17
16
VCC = 24 V
15
VCC = 3.0 V
14
13
12
-60 -40 -20
0
20 40 60 80 100 120 140 160
Ambient Temperature, TA (°C)
5.0
2
6 10 14 18 22 26
Supply Voltage, VCC (V)
A1150/A1157/A1158
Average Supply Current (Low) versus Supply Voltage
5.0
4.5
4.0
TA = 150°C
3.5 TA = 25°C
TA = –40°C
3.0
2.5
2.0
2
6 10 14 18 22 26
Supply Voltage, VCC (V)
A1150/A1152/A1153/A1155/A1156/A1157/A1158
Average Supply Current (High) versus Supply Voltage
17
16
TA = –40°C
15
TA = 150°C
14 TA = 25°C
13
12
2 6 10 14 18 22 26
Supply Voltage, VCC (V)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6

6 Page









A1155 pdf, datenblatt
A1150, A1152, A1153, A1155,
A1156, A1157, and A1158
Chopper-Stabilized, Two-Wire
Hall-Effect Switches
For Reference Only – Not for Tooling Use
(Reference DWG-9013)
Dimensions in millimeters – NOT TO SCALE
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
45°
3.02
+0.08
–0.05
1.44 E
4.09
+0.08
–0.05
E
2.04
B
1.52 ±0.05
C
2 X 10°
E
Branded
Face
Mold Ejector
Pin Indent
45°
1.02 MAX
12 3
A
0.79 REF
0.43
+0.05
–0.07
0.41
+0.03
–0.06
14.99 ±0.25
1.27 NOM
NNN
1
D Standard Branding Reference View
= Supplier emblem
N = Last three digits of device part number
Figure 5: Package UA, 3-Pin SIP
A Dambar removal protrusion (6X)
B Gate and tie bar burr area
C Active Area Depth, 0.50 mm REF
D Branding scale and appearance at supplier discretion
E Hall element, not to scale
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
12

12 Page





SeitenGesamt 14 Seiten
PDF Download[ A1155 Schematic.PDF ]

Link teilen




Besondere Datenblatt

TeilenummerBeschreibungHersteller
A1150PNP Transistor - 2SA1150Toshiba Semiconductor
Toshiba Semiconductor
A1150Two Wire Hall-Effect SwitchesAllegro MicroSystems
Allegro MicroSystems
A1152Two Wire Hall-Effect SwitchesAllegro MicroSystems
Allegro MicroSystems
A1153Two Wire Hall-Effect SwitchesAllegro MicroSystems
Allegro MicroSystems
A1155Two Wire Hall-Effect SwitchesAllegro MicroSystems
Allegro MicroSystems

TeilenummerBeschreibungHersteller
CD40175BC

Hex D-Type Flip-Flop / Quad D-Type Flip-Flop.

Fairchild Semiconductor
Fairchild Semiconductor
KTD1146

EPITAXIAL PLANAR NPN TRANSISTOR.

KEC
KEC


www.Datenblatt-PDF.com       |      2020       |      Kontakt     |      Suche