Product Overview
The APS11450 is a three-wire planar Hall-effect sensor IC designed for automotive safety-related systems, compliant with ISO 26262:2011 for ASIL B capability. It features an enhanced three-wire interface with open/short diagnostics and a fault state for robust communication. The sensor offers continuous background diagnostics for reduced fault tolerant time and comes with multiple product options including magnetic switch points, temperature coefficient, hysteresis, and output polarity, compatible with various magnet types. Its design minimizes module BOM and assembly costs while providing automotive-grade ruggedness and fault tolerance, including extended AEC-Q100 Grade 0 qualification for operation up to 175C junction temperature.
Product Attributes
- Brand: Allegro MicroSystems
- Origin: U.S.A.
- Certifications: ISO 26262:2011 (ASIL B capability pending assessment), AEC-Q100 Grade 0
- Material: RoHS Compliant, Lead (Pb) free with 100% matte-tin-plated leadframes
- Color: Not specified
Technical Specifications
| Part Number | Package | Output Polarity | Temperature Coefficient | Magnetic Operate Point, BOP (typ) | Packing |
| APS11450LLHALX-0SLA | 3-pin SOT23W surface mount | Low | 0%/C | 35 G | 13-in. reel, 10,000 pieces/reel |
| APS11450LLHALT-0SLA | 3-pin SOT23W surface mount | Low | 0%/C | 35 G | 7-in. reel, 3000 pieces/reel |
| APS11450LUAA-0SLA | 3-pin SIP through-hole | Low | 0%/C | 35 G | bulk, 500 pieces/bag |
| APS11450LLHALX-2SLC | 3-pin SOT23W surface mount | Low | 0.12%/C | 180 G | 13-in. reel, 10,000 pieces/reel |
| APS11450LLHALT-2SLC | 3-pin SOT23W surface mount | Low | 0.12%/C | 180 G | 7-in. reel, 3000 pieces/reel |
| APS11450LLHALX-3SLC | 3-pin SOT23W surface mount | Low | 0.12%/C | 280 G | 13-in. reel, 10,000 pieces/reel |
| APS11450LLHALT-3SLC | 3-pin SOT23W surface mount | Low | 0.12%/C | 280 G | 7-in. reel, 3000 pieces/reel |
| APS11450LLHALX-3SLD | 3-pin SOT23W surface mount | Low | 0.2%/C | 280 G | 13-in. reel, 10,000 pieces/reel |
| APS11450LLHALT-3SLD | 3-pin SOT23W surface mount | Low | 0.2%/C | 280 G | 7-in. reel, 3000 pieces/reel |
| Characteristic | Symbol | Test Conditions | Min. | Typ. | Max. | Unit |
| Supply Voltage | VCC | Operating, TJ < 165C | 3.0 | | 30 | V |
| Supply Current | ICC | | | 4.5 | | mA |
| Power-On Time | ton | VCC > VCC(min) | | | 150 | s |
| Output Rise Time | tRISE | VPU = VCC, RPU = 3 k, COUT = 1 nF, IOUT < 12 mA | 2 | 4 | 15 | s |
| Output Fall Time | tFALL | VPU = VCC, RPU = 3 k, COUT = 1 nF, IOUT < 12 mA | 2 | 4 | 15 | s |
| Output On Voltage | VOUT(LOW) | VPU = VCC, IOUT < 12 mA | 10 | 20 | 30 | % |
| Output Off Voltage | VOUT(HIGH) | | 70 | 80 | 90 | % |
| Fault Reaction Time | tDIAG | | | 25 | 60 | s |
| Overtemperature Shutdown | TSD | Temperature increasing | | 205 | | C |
| Overtemperature Hysteresis | TJHYS | | | 25 | | C |
| Characteristic | Symbol | Test Conditions | Min. | Typ. | Max. | Unit |
| Sensitivity Temperature Coefficient | TCSENS | Relative to sensitivity at 25C | | | | %/C |
| | (A) Flat | | 0 | | |
| | (B) SmCo | | 0.035 | | |
| | (C) NdFeB | | 0.12 | | |
| | (D) Ferrite | | 0.2 | | |
| Analog Signal Bandwidth | f(-3dB) | | | 10 | | kHz |
| Operate Point | BOP | APS11450-0SxA | | 35 | 50 | G |
| Operate Point | BOP | APS11450-2SxC TA = 40C | 128 | 184 | 240 | G |
| Operate Point | BOP | APS11450-2SxC TA = 25C | 125 | 180 | 235 | G |
| Operate Point | BOP | APS11450-2SxC TA = 150C | 106 | 153 | 200 | G |
| Operate Point | BOP | APS11450-3SxC TA = 40C | 230 | 286 | 342 | G |
| Operate Point | BOP | APS11450-3SxC TA = 25C | 230 | 280 | 335 | G |
| Operate Point | BOP | APS11450-3SxC TA = 150C | 190 | 235 | 280 | G |
| Operate Point | BOP | APS11450-3SxD TA = 40C | 260 | 316 | 379 | G |
| Operate Point | BOP | APS11450-3SxD TA = 25C | 230 | 280 | 335 | G |
| Operate Point | BOP | APS11450-3SxD TA = 150C | 173 | 210 | 251 | G |
| Release Point | BRP | APS11450-0SxA | 5 | 25 | | G |
| Release Point | BRP | APS11450-2SxC TA = 40C | 72 | 128 | 184 | G |
