Product Overview
The APS12625 and APS12626 are dual ultrasensitive Hall-effect latches designed for ring magnet applications. They offer 2D magnetic sensing with vertical and planar Hall elements, providing 90 phase separation independent of magnet pole spacing and air gap. This eliminates the need for target optimization, allowing for flexible mechanical design. The devices feature speed and direction outputs (APS12625) or quadrature outputs (APS12626), and a unique power-cycling restore feature (-P option) to prevent lost counts. They are automotive grade, qualified per AEC-Q100 for operation up to 175C, and operate from 2.8 to 5.5 V.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: ISO 26262 / ASIL A, AEC-Q100 Grade 0
- Material: BiCMOS process
- Compliance: RoHS COMPLIANT
Technical Specifications
| Device | Output Type | Sensing Axes | Operating Temperature | Supply Voltage | Max Junction Temperature | Package |
|---|---|---|---|---|---|---|
| APS12625 | Speed & Direction | XY, ZX, ZY | -40C to +150C | 2.8 to 5.5 V | 175C | 5-Pin SOT23-W (LH) |
| APS12626 | Quadrature | XY, ZX, ZY | -40C to +150C | 2.8 to 5.5 V | 175C | 5-Pin SOT23-W (LH) |
Absolute Maximum Ratings
| Characteristic | Symbol | Rating | Unit |
|---|---|---|---|
| Forward Supply Voltage | VDD | 6 | V |
| Reverse Supply Voltage | VRDD | 0.3 | V |
| Magnetic Flux Density | B | Unlimited | G |
| Output Off Voltage | VOUT | 6 | V |
| Through short-circuit current-limiting device | IOUT | 45 | mA |
| Maximum Junction Temperature | TJ(MAX) | 165 (for 500 hours) / 175 | C |
| Storage Temperature | Tstg | 65 to 170 | C |
Electrical Characteristics
| Characteristic | Symbol | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | Operating, TJ TJ(max) | 2.8 | 5.5 | V | |
| Output Leakage Current | IOUTOFF | B < BRP | 10 | A | ||
| Output On Voltage | VOUT(SAT) | IOUT = 2 mA, B > BOP | 180 | 500 | mV | |
| Output Off Voltage | VOUT(OFF) | OUTPUTA and OUTPUTB are open-drain; application sets output off voltage | 5.5 | V | ||
| Supply Current | IDD | 3 | 4.5 | mA | ||
| Output Sink Current | IOUTPUT(SINK) | 10 | mA | |||
| Output Short-Circuit Current Limit | IOM | VDD = 5.5 V, TJ TJ(max) | 15 | 45 | mA | |
| Output Rise Time | tr | CLOAD = 20 pF, RLOAD = 820 | 0.2 | s | ||
| Output Fall Time | tf | CLOAD = 20 pF, RLOAD = 820 | 0.1 | s | ||
| Power-On Time (APS12625) | tON | Both outputs | 150 | 300 | s | |
| Power-On Time (APS12626) | tON | Both outputs | 50 | 100 | s |
Magnetic Characteristics
| Characteristic | Symbol | Test Conditions | TA = 40C | TA = 25C | TA = 150C | Unit |
|---|---|---|---|---|---|---|
| Operate Point | BOP(A), BOP(B) | TC = 0 | 12 | 11 | 1 | G |
| Operate Point | BOP(A), BOP(B) | TC = 0 | 27.8 | 25.0 | 19.7 | G |
| Operate Point | BOP(A), BOP(B) | TC = 0 | 44 | 41 | 39 | G |
| Release Point | BRP(A), BRP(B) | TC = 0 | 44 | 41 | 39 | G |
| Release Point | BRP(A), BRP(B) | TC = 0 | 27.8 | 25.0 | 19.7 | G |
| Release Point | BRP(A), BRP(B) | TC = 0 | 12 | 11 | 1 | G |
| Hysteresis | BHYS(A), BHYS(B) | TC = 0 | 38 | 35 | 25 | G |
| Hysteresis | BHYS(A), BHYS(B) | TC = 0 | 55.5 | 50.0 | 39.4 | G |
| Hysteresis | BHYS(A), BHYS(B) | TC = 0 | 72 | 66 | 54 | G |
2401241357_ALLEGRO-APS12626LLHALT-CFP_C3716340.pdf
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