Product Overview
The APS12625 and APS12626 are dual ultrasensitive Hall-effect latches designed for ring magnet applications. They feature orthogonal vertical and planar Hall elements, providing 90 phase separation independent of magnet pole spacing and air gap, eliminating the need for target optimization. These devices offer flexibility in orientation with XY, ZX, and ZY options. The APS12625 provides Speed and Direction outputs, while the APS12626 offers quadrature outputs (Channel A/B). A unique power-cycling restore feature (-P option) prevents lost counts/pulses. They are ISO 26262:2011 / ASIL A compliant, operate from 2.8 to 5.5 V, and are automotive grade qualified per AEC-Q100 up to 175C TJ.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: ISO 26262:2011 / ASIL A, AEC-Q100 Grade 0
- Material: BiCMOS process
- Package: 5-Pin SOT23-W (Suffix LH)
- RoHS Compliant: Yes
Technical Specifications
| Characteristic | Symbol | Min. | Typ. | Max. | Unit | Notes |
|---|---|---|---|---|---|---|
| Electrical Characteristics | ||||||
| Supply Voltage | VDD | 2.8 | 5.5 | V | Operating, TJ TJ(max) | |
| Output Leakage Current | IOUTOFF | 10 | A | B < BRP | ||
| Output On Voltage | VOUT(SAT) | 180 | 500 | mV | IOUT = 2 mA, B > BOP | |
| Supply Current | IDD | 3 | 4.5 | mA | Typical data are at TA = 25C and VDD = 4 V. | |
| Output Sink Current | IOUTPUT(SINK) | 10 | mA | |||
| Output Short-Circuit Current Limit | IOM | 15 | 45 | mA | VDD = 5.5 V, TJ TJ(max) | |
| Output Rise Time | tr | 0.2 | s | CLOAD = 20 pF, RLOAD = 820 | ||
| Output Fall Time | tf | 0.1 | s | CLOAD = 20 pF, RLOAD = 820 | ||
| Power-On Time (APS12625) | tON | 150 | 300 | s | Both outputs | |
| Power-On Time (APS12626) | tON | 50 | 100 | s | Both outputs | |
| Magnetic Characteristics | ||||||
| Operate Point | BOP(A), BOP(B) | 1 | 11-27.8 | 44 | G | TC = 0, TA = 40C to 150C |
| Release Point | BRP(A), BRP(B) | 44 | -11 to -27.8 | 1 | G | TC = 0, TA = 40C to 150C |
| Hysteresis | BHYS(A), BHYS(B) | 25 | 35-55.5 | 72 | G | TC = 0, TA = 40C to 150C |
| Symmetry: Channel A, Channel B | BSYM(A), BSYM(B) | 35 | 35 | G | ||
| Operate Symmetry: BOP(A) BOP(B) | BSYM(AB,OP) | 15 | 15 | G | ||
| Release Symmetry: BRP(A) BRP(B) | BSYM(AB,RP) | 15 | 15 | G | ||
| Temperature Coefficient | TC | 0.17 | 0 | % / C | APS12625-F, APS12626-F (TC=0); APS12625, APS12626 (TC=1) | |
| Absolute Maximum Ratings | ||||||
| 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 | |||
| Maximum Junction Temperature | TJ(MAX) | 165 | C | For 500 hours | ||
| Storage Temperature | Tstg | 65 | 170 | C | ||
2304140030_ALLEGRO-APS12626LLHALX-BAP_C2152508.pdf
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