Product Overview
The APS12625 and APS12626 are dual ultrasensitive Hall-effect latches designed for applications requiring precise speed and direction sensing, particularly with ring magnets. These ICs feature integrated vertical and planar Hall elements, providing 90 phase separation inherently independent of magnet pole spacing and air gap, eliminating the need for target optimization. They offer flexibility with XY, ZX, and ZY sensing axis options for various orientations. The APS12625 provides Speed and Direction outputs, while the APS12626 offers Quadrature (Channel A/B) outputs. A unique power-cycling restoration feature (-P option) helps prevent lost counts/pulses. These devices are suitable for automotive and industrial motor/encoder applications, operating from 2.8V to 5.5V and qualified to AEC-Q100 Grade 0 with junction temperatures up to 175C.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: ISO 26262:2011 / ASIL A functional safety compliance; Automotive grade/qualified per AEC-Q100
- Package Type: 5-Pin SOT23-W (Suffix LH)
- RoHS Compliant: Yes
Technical Specifications
| Model | Description | Key Features | Sensing Axes | Output Type | Operating Voltage | Max Junction Temperature |
|---|---|---|---|---|---|---|
| APS12625 | 2D Hall-Effect Speed and Direction Sensor IC | Speed & Direction Outputs, Power-on state restoration (-P option) | XY, ZX, ZY | Speed/Direction | 2.8 V to 5.5 V | 175C |
| APS12626 | 2D Hall-Effect Quadrature Sensor IC | Quadrature Outputs (Channel A/B), Power-on state restoration (-P option) | XY, ZX, ZY | Quadrature | 2.8 V to 5.5 V | 175C |
| General Specifications | ||||||
| Package Thermal Resistance (RJA) | 124 C/W (for LH-5, 4-layer board based on JESD51-7) | |||||
| Output Sink Current (IOUTPUT(SINK)) | 10 mA | |||||
| Supply Current (IDD) | 3 mA (typical) | |||||
| Power-On Time (tON, APS12625) | 150 s (typical) | |||||
| Power-On Time (tON, APS12626) | 50 s (typical) | |||||
| Power-On State External Input (tPOS_input) | 100 s (minimum, for -P option) | |||||
| Operating Temperature Range | -40C to +150C | |||||
Typical Applications
- Automotive: Power closures/actuators, Electronic power steering, Seat/window/sunroof motors, Trunk/door/liftgate motors
- Industrial motors/encoders
- Garage door openers
- Motorized window blinds
- White goods
2304140030_ALLEGRO-APS12625LLHALT-AAP_C2152441.pdf
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