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SC2662H
SC2662H is a primary‑side flyback PWM power controller in SOP‑8 SMD package. It integrates PWM control circuit and 650V high‑voltage MOSFET, no external power MOSFET required.
It works in CRM critical‑conduction mode at 90kHz switching frequency. PSR architecture cancels optocoupler and secondary feedback parts to cut BOM cost. Green burst‑mode achieves low standby power consumption. Built‑in comprehensive protections include OVP, overload, short‑circuit and thermal shutdown with auto‑restart function.
It supports full‑range 85‑265V AC mains input, maximum output power reaches 12W. Main applications include small power adapters, chargers, low‑power LED drivers and household appliance auxiliary power modules. Hardware design must refer to datasheet reference circuit. Datasheet PDF can be downloaded.
1. High-Sensitivity Latch Magnetic Detection
The SC2662H is a high-stability latch Hall effect sensor built with advanced chopper stabilization technology. It delivers precise magnetic field switching points and excellent signal symmetry with minimal temperature drift. The high-sensitivity sensing design ensures accurate and repeatable magnetic detection, supporting reliable long-term operation for industrial and consumer sensing systems.
2. Ultra-Wide Voltage Input & Strong Anti-Interference Performance
Supporting a wide 2.5V–24V operating voltage range, the SC2662H matches most mainstream circuit power supply standards. It features built-in reverse voltage protection up to -28V and internal noise suppression circuits. Superior power supply tolerance and anti-jamming capability enable stable operation in complex electrical environments and variable voltage systems.
3. AEC-Q100 Automotive-Grade High Temperature Resistance
This Hall sensor adopts automotive-grade AEC-Q100 certification, offering an ultra-wide temperature range from -40℃ to +150℃. It maintains consistent sensing accuracy and fast response under extreme high and low temperature conditions. Strict industrial reliability standards greatly reduce failure rates for vehicle electronics and high-temperature industrial application scenarios.
4. Complete Built-In Protection Mechanisms
The SC2662H integrates multiple protection functions including overvoltage protection, undervoltage protection, overcurrent protection and ESD protection. It effectively avoids chip damage caused by power surges, reverse connection and abnormal current. The multi-dimensional safety design improves system stability and extends service life for various magnetic position and speed detection equipment.
5. Compact SOT-23 Package & Wide Compatibility
Packaged in miniature SOT-23 surface-mount form, the SC2662H saves PCB space and supports automated SMT mass production. It requires simple peripheral circuits and features easy installation and replacement. Widely used for motor speed detection, position sensing, smart home modules and automotive electronic sensing applications.
Item | Specifications |
|---|---|
Part Number | SC2662H |
Device Type | High Sensitivity Latch-Type Hall Effect Sensor |
Core Technology | Chopper stabilization circuit design, low temperature drift |
Operating Voltage Range (VDD) | 2.5V ~ 24V (Wide voltage universal operation) |
Maximum Withstand Voltage | 28V |
Reverse Voltage Withstand | -28V reverse voltage protection |
Output Type | Open-drain digital output |
Output Sink Current | Max 40mA |
Magnetic Switching Mode | Latch polarity detection |
Response Speed | High-frequency fast response, stable switching action |
Operating Temperature Range | -40℃ ~ +150℃ (Automotive AEC-Q100 Grade) |
Storage Temperature Range | -55℃ ~ +155℃ |
Mounting Type | Surface Mount |
Package / Case | SOT-23 (3-pin miniature package) |
Built-in Protections | Overvoltage protection, undervoltage protection, overcurrent protection, ESD protection, reverse voltage protection |
1. Automotive Electronic Sensing Systems
The SC2662H features AEC-Q100 automotive-grade certification and a wide -40℃ to +150℃ temperature range, making it ideal for vehicle electronic applications. It is widely used for automotive motor speed detection, door position monitoring, and gear shift signal sensing. Its -28V reverse voltage protection and strong anti-interference performance ensure stable operation in complex vehicle electrical environments.
2. Industrial Motor & Motion Detection Equipment
This high-sensitivity latch Hall sensor is perfectly suited for industrial DC brushless motor speed measurement and rotational position detection. With high-frequency response and precise magnetic latch switching, it delivers accurate real-time motion feedback. It effectively improves the control accuracy of industrial automation equipment, servo mechanisms and intelligent transmission devices.
3. Smart Home & Consumer Electronics
With a wide 2.5V–24V universal voltage design and compact SOT-23 package, the SC2662H adapts to various low-voltage intelligent devices. It is commonly applied in smart door locks, folding screen detection, small home appliance switch position sensing and fan speed monitoring. The mini size saves PCB space and supports large-scale SMT mass production.
4. Precision Instrument & Office Equipment
Benefiting from chopper stabilization technology and ultra-low temperature drift characteristics, the SC2662H provides highly stable magnetic detection signals. It is extensively used in printers, scanners and precision testing instruments for reset position detection and running state monitoring. It ensures long-term consistent working accuracy of precision office and measurement equipment.
5. New Energy & Industrial Control Modules
Equipped with comprehensive overvoltage, overcurrent and ESD protection functions, the SC2662H adapts to harsh industrial control scenarios. It can be used for valve position feedback, equipment stroke detection and circuit state monitoring in new energy control systems. Its excellent environmental tolerance greatly improves the reliability of industrial control terminal equipment.
