Product Overview
The APS12625 and APS12626 are dual ultrasensitive Hall-effect latches designed for applications requiring precise speed and direction sensing. Featuring integrated vertical and planar Hall elements, these devices offer inherent 90 phase separation, eliminating the need for target optimization and providing flexibility in magnet pole spacing and air gap adjustments. They support various orientation options (XY, ZX, ZY) for versatile integration. The APS12625 provides Speed and Direction outputs, while the APS12626 offers Quadrature outputs (Channel A/B). A unique power-cycling restoration feature (-P option) minimizes lost counts/pulses. These sensors are ISO 26262 / ASIL A compliant, operate from 2.8 to 5.5 V, and are automotive-grade qualified to AEC-Q100 with operation up to 175C junction temperature. They are ideal for automotive applications like power steering and motor control, as well as industrial motors and encoders.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: ISO 26262 / ASIL A, AEC-Q100 Qualified
- Package Type: 5-Pin SOT23-W (Suffix LH)
- Compliance: RoHS Compliant
Technical Specifications
| Specification | Details |
|---|---|
| Models | APS12625, APS12626 |
| Hall Elements | Vertical and Planar Hall elements |
| Phase Separation | 90 (inherent) |
| Output Options | APS12625: Speed and Direction APS12626: Quadrature (Channel A/B) |
| Power Supply Voltage | 2.8 V to 5.5 V |
| Operating Temperature Range | -40C to +150C (L option) |
| Maximum Junction Temperature | 175C (qualified beyond AEC-Q100 Grade 0) |
| Output Sink Current | 10 mA continuous |
| Functional Safety | ISO 26262 / ASIL A |
| Power-On State Restoration | -P option available |
| Package Thermal Resistance (RJA) | 124 C/W (LH-5, 4-layer PCB) |
| 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 |
| Sensing Axes Options | XY, ZX, ZY |
| Supply Current (Typical) | 3 mA (XY configuration, VDD=4V) |
| Output Leakage Current | 10 A max |
| Output On Voltage (Typical) | 180 mV (IOUT = 2 mA, B > BOP) |
| Output Short-Circuit Current Limit | 15 mA min, 45 mA max |
| Power-On Time (Typical) | APS12625: 150 s APS12626: 50 s |
| Magnetic Operate Point (BOP) (Typical at 25C) | 25 G |
| Magnetic Release Point (BRP) (Typical at 25C) | -25 G |
| Hysteresis (BHYS) (Typical at 25C) | 50 G |
2311151250_ALLEGRO-APS12625LLHALX-AAP_C17487824.pdf
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