A1158LUA-T Allegro Microsystems Inc, A1158LUA-T Datasheet
A1158LUA-T
Specifications of A1158LUA-T
Related parts for A1158LUA-T
A1158LUA-T Summary of contents
Page 1
Chopper-Stabilized, Two Wire Hall-Effect Switches Features and Benefits ▪ 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 ...
Page 2
A1152, A1153, A1155, and A1156 Description (continued) All family members are offered in two package styles. The SOT-23W style, miniature, low profile package for surface-mount applications. The 3-pin, ultra-mini, single inline package (SIP) for ...
Page 3
A1152, A1153, A1155, and A1156 ELECTRICAL CHARACTERISTICS range; unless otherwise noted Characteristics Supply Voltage 1 Supply Current Supply Zener Clamp Voltage Supply Zener Clamp Current Reverse Supply Current Output Slew Rate 2 Chopping Frequency Power-Up Time 3,4 Power-Up State 3,5,6 ...
Page 4
A1152, A1153, A1155, and A1156 may require derating at maximum conditions, see application information Thermal Characteristics Characteristic Package Thermal Resistance *Additional thermal information available on the Allegro website Symbol Test Conditions* Package LH, on 4-layer PCB based on JEDEC standard ...
Page 5
A1152, A1153, A1155, and A1156 A1152/A1153/A1155/A1156 Average Supply Current (Low) versus Temperature 7 5.5 5.0 -60 -40 - Ambient Temperature, T A1152/A1153/A1155/A1156 Average Supply ...
Page 6
A1152, A1153, A1155, and A1156 A1152/A1153 Average Operate Point versus Temperature 110 100 -60 -40 - Ambient Temperature, T A1152/A1153 Average Release Point versus Temperature 105 ...
Page 7
A1152, A1153, A1155, and A1156 The A1152 and A1155 output switches low after the mag- CC netic field at the Hall sensor IC exceeds the operate point thresh- old When the magnetic field is reduced to ...
Page 8
A1152, A1153, A1155, and A1156 V+ VCC A115x GND GND A ECU R SENSE (A) Low side sensing Figure 2. Typical application circuits Chopper Stabilization Technique When using Hall-effect technology, a limiting factor for switchpoint accuracy is the small signal ...
Page 9
A1152, A1153, A1155, and A1156 Power Derating The device must be operated below the maximum junction tem- perature of the device, T (max). Under certain combinations of J peak conditions, reliable operation may require derating supplied power or improving the ...
Page 10
A1152, A1153, A1155, and A1156 +0.12 2.98 –0.08 3 +0.10 2.90 –0. 10° REF 0.95 BSC For Reference Only; not for tooling use (reference DWG-2840) Dimensions in millimeters Dimensions exclusive of mold flash, gate burrs, and dambar protrusions ...
Page 11
A1152, A1153, A1155, and A1156 4.09 45° E 2.05 NOM 1.44 NOM +0.08 E 3.02 –0.05 1.02 MAX 1 14.99 ±0.25 +0.05 0.43 –0.07 Package UA, 3-Pin SIP +0.08 –0. 1.52 ±0.05 10° E Mold Ejector Pin Indent ...
Page 12
A1152, A1153, A1155, and A1156 Copyright ©2009-2011, Allegro MicroSystems, Inc. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail spec tions as may be required to per- ...