Product Overview
The APS12625 and APS12626 are dual ultrasensitive Hall-effect latches designed for use with ring magnets. They feature integrated vertical and planar Hall elements with orthogonal sensing axes, providing 90 phase separation independent of magnet pole spacing and air gap. This design eliminates the need for target optimization, offering high flexibility and ease of use. The devices are available in XY, ZX, and ZY configurations for versatile orientation. The APS12625 offers Speed and Direction outputs, while the APS12626 provides quadrature outputs (Channel A/B). A unique power-cycling restore feature (-P option) prevents lost counts/pulses. These sensors are ISO 26262 / ASIL A compliant, operate from 2.8 to 5.5 V, and are automotive grade qualified per AEC-Q100 for junction temperatures up to 175C.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: ISO 26262 / ASIL A, AEC-Q100
- Material: BiCMOS process
- Package: 5-Pin SOT23-W (LH)
- RoHS Compliant: Yes
Technical Specifications
| Device | Output Type | Sensing Axes | Operating Voltage | Max Junction Temp | Key Features |
|---|
| APS12625 | Speed & Direction | XY, ZX, ZY | 2.8 to 5.5 V | 175C | Dual Speed/Direction outputs, -P option for power-cycling restore |
| APS12626 | Quadrature (A/B) | XY, ZX, ZY | 2.8 to 5.5 V | 175C | Dual Quadrature outputs, -P option for power-cycling restore |
Electrical Characteristics
| Characteristic | Symbol | Min. | Typ. | Max. | Unit | Notes |
|---|
| Supply Voltage | VDD | 2.8 | | 5.5 | V | Operating |
| Supply Current | IDD | | 3 | 4.5 | mA | |
| Output Sink Current | IOUTPUT(SINK) | | | 10 | mA | |
| Output Short-Circuit Current Limit | IOM | 15 | | 45 | mA | VDD = 5.5 V, TJ TJ(max) |
| Power-On Time (Both outputs) | tON | | 150 (APS12625) / 50 (APS12626) | 300 (APS12625) / 100 (APS12626) | s | |
Magnetic Characteristics
| Characteristic | Symbol | Temperature | Min. | Typ. | Max. | Unit |
|---|
| Operate Point | BOP(A), BOP(B) | TA = 40C | 12 | 27.8 | 44 | G |
| Operate Point | BOP(A), BOP(B) | TA = 25C | 11 | 25.0 | 41 | G |
| Operate Point | BOP(A), BOP(B) | TA = 150C | 1 | 19.7 | 39 | G |
| Release Point | BRP(A), BRP(B) | TA = 40C | 44 | 27.8 | 12 | G |
| Release Point | BRP(A), BRP(B) | TA = 25C | 41 | 25.0 | 11 | G |
| Release Point | BRP(A), BRP(B) | TA = 150C | 39 | 19.7 | 1 | G |
| Hysteresis | BHYS(A), BHYS(B) | TA = 25C | 35 | 50.0 | 66 | G |
| Temperature Coefficient | TC | TC = 0, APS12625-F, APS12626-F | | 0.17 | | % / C |
| Temperature Coefficient | TC | TC = 1, APS12625, APS12626 | | 0 | | % / C |
