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Specifications
Voltage - Supply:
2.8V~5.5V
Mfr. Part #:
APS12625LLHALX-AFP
Package:
SOT-23W
Key Attributes
Model Number:
APS12625LLHALX-AFP
Product Description
Product Overview
The APS12625 and APS12626 are dual ultrasensitive Hall-effect latches designed for ring magnet applications. They feature integrated vertical and planar Hall elements with orthogonal sensing axes, providing inherent 90 phase separation independent of magnet pole spacing and air gap. This eliminates the need for target optimization, offering flexibility in mechanical design. The APS12625 provides Speed and Direction outputs, while the APS12626 offers quadrature outputs (Channel A/B). A unique power-cycling restoration feature (-P option) helps prevent lost counts/pulses.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: ISO 26262 / ASIL A, AEC-Q100
- Material: BiCMOS process
- Color: Not specified
- Origin: U.S.A.
Technical Specifications
| Device | Sensing Axes Options | Output Type | Operating Voltage | Max Junction Temp | Package | Key Features |
|---|---|---|---|---|---|---|
| APS12625 | XY, ZX, ZY | Speed and Direction | 2.8 to 5.5 V | 175C | 5-Pin SOT23-W (LH) | Dual outputs, quadrature independent of magnet pitch/air gap, power-cycling state restoration (-P option) |
| APS12626 | XY, ZX, ZY | Quadrature (Channel A/B) | 2.8 to 5.5 V | 175C | 5-Pin SOT23-W (LH) | Dual outputs, quadrature independent of magnet pitch/air gap, power-cycling state restoration (-P option) |
Key Features & Benefits
- Flexible and easy-to-use sensor for motors/encoders
- ISO 26262 / ASIL A functional safety compliance
- 2D magnetic sensing via planar and vertical Hall elements
- Quadrature independent of magnet pole pitch and air gapno target optimization required
- Works in almost any orientation to the target (XY, ZX, and ZY options)
- Reduces accumulation of lost counts/pulses (System can restore correct state after power-cycling, -P option)
- Dual outputs of quadrature or speed/direction signals
- High magnetic sensitivity
- Optimized for applications with regulated power rails (Operation from 2.8 to 5.5 V)
- Automotive grade/qualified per AEC-Q100 (TJ up to 175C)
- Output short-circuit protection
- Resistant to physical stress
- Small size
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
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 |
| Output Current (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. [1] | 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 Current | IOUT | Value used during characterization | 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 | |
| Power-On State External Input Hold Time (-P option) | tPOS_input | For external POS setting signal | 100 | s | ||
| Power-On State, Output A and B POS High | ||||||
| Delay Between Direction and Speed Pin Update (APS12625 only) | tdir-to-speed | 2.8 | 4.0 | 8 | s | |
| Speed Pin Input Low Level (APS12625 -P option) | VIN(LOW) | 0.8 | V | |||
| Channel A / B Input Low Level (APS12626 -P option) | VIN(LOW) | 0.8 | V | |||
| Speed Pin Input High Level (APS12625 -P option) | VIN(HIGH) | 2.0 | V | |||
| Channel A / B Input High Level (APS12626 -P option) | VIN(HIGH) | 2.0 | V |
Magnetic Characteristics
| Characteristic | Symbol | Test Conditions | TA | Min. | Typ. [1] | Max. | Unit |
|---|---|---|---|---|---|---|---|
| Operate Point | BOP(A), BOP(B) | TC = 0 | 40C | 12 | 27.8 | 44 | G |
| Operate Point | BOP(A), BOP(B) | TC = 0 | 25C | 11 | 25.0 | 41 | G |
| Operate Point | BOP(A), BOP(B) | TC = 0 | 150C | 1 | 19.7 | 39 | G |
| Operate Point | BOP(A), BOP(B) | TC = 1 | 1 | 21 | 40 | G | |
| Release Point | BRP(A), BRP(B) | TC = 0 | 40C | 44 | 27.8 | 12 | G |
| Release Point | BRP(A), BRP(B) | TC = 0 | 25C | 41 | 25.0 | 11 | G |
| Release Point | BRP(A), BRP(B) | TC = 0 | 150C | 39 | 19.7 | 1 | G |
| Release Point | BRP(A), BRP(B) | TC = 1 | 40 | 21 | 1 | G | |
| Hysteresis | BHYS(A), BHYS(B) | TC = 0 | 40C | 38 | 55.5 | 72 | G |
| Hysteresis | BHYS(A), BHYS(B) | TC = 0 | 25C | 35 | 50.0 | 66 | G |
| Hysteresis | BHYS(A), BHYS(B) | TC = 0 | 150C | 25 | 39.4 | 54 | G |
| Hysteresis | BHYS(A), BHYS(B) | TC = 1 | 25 | 42 | 65 | G | |
| Symmetry: Channel A, Channel B | BSYM(A), BSYM(B) | BOP(A) + BRP(A), BOP(B) + BRP(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 | TC = 0, APS12625-F, APS12626-F | 0.17 | % / C | |||
| Temperature Coefficient | TC | TC = 1, APS12625, APS12626 | 0 | % / C |
2401241356_ALLEGRO-APS12625LLHALX-AFP_C3716195.pdf
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