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What is A1153?

This electronic component, produced by the manufacturer "Allegro MicroSystems", performs the same function as "Two Wire Hall-Effect Switches".


A1153 Datasheet PDF - Allegro MicroSystems

Part Number A1153
Description Two Wire Hall-Effect Switches
Manufacturers Allegro MicroSystems 
Logo Allegro MicroSystems Logo 


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Total 14 Pages



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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

line_dark_gray
A1153 equivalent
A1150, A1152, A1153, A1155,
A1156, A1157, and A1158
Chopper-Stabilized, Two-Wire
Hall-Effect Switches
THERMAL CHARACTERISTICS: may require derating at maximum conditions; see application information
Characteristic
Symbol
Test Conditions*
Package LH, on 1-layer PCB with copper limited to solder pads
Package Thermal Resistance
RθJA
Package LH, on 2-layer PCB with 0.463 in.2 of copper area each side
Package UA, on 1-layer PCB with copper limited to solder pads
Package UB, on 1-layer PCB with copper limited to solder pads
*Additional thermal information available on the Allegro website
LH aPnodwUerADPeorwateinrgDCeruartvineg Curve
UB Power Derating Curve
Value Unit
228 ºC/W
110 ºC/W
165 ºC/W
213 ºC/W
25
24 VCC(max)
23
22
21
20
19
18
17
16
15
14
13
12
11
2-layer PCB, Package LH
(RθJA = 110 ºC/W)
10
9 1-layer PCB, Package UA
8
7
6
(RθJA = 165 ºC/W)
1-layer PCB, Package LH
5 (RθJA = 228 ºC/W)
4
3
VCC(min)
2
20 40 60 80 100 120 140 160 180
Temperature (ºC)
LH and UAPPoowweer rDDisisssipipaatitoionnvveerrssuuss AAmmbbiieenntt TTeemmppeerraattuurree
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
20
(R1θ-JlaAy=e(Rr12θP6J-AlC5ay=BºeC,1r P1/PW0aCc)ºBCk,a/PWga)eckUaAge LH
(1R-θlJaAye=r2P2C8BºC, P/Wac)kage LH
40 60 80 100 120 140 160 180
Temperature (°C)
UB Power Dissipation versus Ambient Temperature
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for A1153 electronic component.


Information Total 14 Pages
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Download [ A1153.PDF Datasheet ]

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