JIUYOU Primary Agent Micro power Hall sensor JYM27278
- Model：
- JYM27278
- Brand：
- JIUYOU
- Batch No：
- JYM27278, 九祐微，JIUYOU, 双极锁存霍尔，微功耗霍尔传感器，20Gs 霍尔，AH3503 替代，SOT23-3L,TO92S
- Desc：
- JYM27278 bipolar latch low power Hall sensor IC by JIUYOU MICRO, 0.18μm BCDMOS, 1.65V~5.5V, 27/94/187μA options, ±6kV ESD, SOT23-3L/TO-92S packages, drop-in replacement for AH3503. GS-Micro authorized distributor with factory stock, free samples
- Stock：
- 15000 只
JYM27278 JIUYOU High Sensitivity Bipolar Latch Low Power Hall Switch Sensor IC
JYM27278 is fully developed and manufactured by JIUYOU Microelectronics (Xi’an) Co., Ltd. (brand: JIUYOU MICRO), a high-sensitivity bipolar latch low-power Hall switch sensor IC built on mature 0.18μm BCDMOS semiconductor process. GS-Micro Semiconductor is the official Level 1 authorized distributor of JIUYOU MICRO, supplying full-series genuine stock and complete supporting technical service. Featuring magnetic sensitivity BOP=20Gs, BRP=-20Gs, ultra-low power consumption, wide voltage range, superior temperature stability and strong anti-interference performance, it is specially designed for battery-powered low-power magnetic detection scenarios in consumer electronics and industrial control, serving as a cost-effective alternative to traditional imported & domestic Hall devices.
Integrated high-precision temperature compensation circuit minimizes magnetic parameter drift under extreme temperatures. Supports full-range supply voltage from 1.65V to 5.5V, compatible with low-voltage portable consumer devices and standard industrial power supply systems. Equipped with ±6kV human-body ESD protection, standard operating temperature range covers -40℃~85℃ for outstanding long-term reliability. Two output versions are available: push-pull and open-drain. Compact TO-92S through-hole and SOT23-3L SMD packages support high-density PCB layout. All variants comply with RoHS lead-free environmental standards to meet global market access requirements.
JYM27278 Key Electrical Specifications (Ta=25℃)
| Parameter Name | Symbol | Spec Value | Unit |
|---|---|---|---|
| Process Technology | – | 0.18μm BCDMOS | – |
| Operating Supply Voltage | VDD | 1.65 ~ 5.5 | V |
| Magnetic Operating Point | BOP | 20 | Gs |
| Magnetic Release Point | BRP | -20 | Gs |
| Average Operating Current @3.3V | ICC | 27 / 94 / 187 | μA |
| Human-Body ESD Rating | VESD | ±6 | kV |
| Operating Temperature Range | TA | -40 ~ 85 | ℃ |
| Output Type | – | Push-Pull Output / Open-Drain Output | – |
| Package Form Factor | – | TO-92S, SOT23-3L | – |
Notice: Do not apply supply voltage out of the 1.65V~5.5V range, otherwise chip malfunction or permanent damage may occur. 3.3V standard lithium supply is recommended for battery-powered portable modules.
Pin Definition & Package Pin Layout
SOT23-3L SMD Package (Marking SO): Pin1=VCC, Pin2=OUT, Pin3=GND
TO-92S Through-Hole Package (Marking UA): Pin1=VCC, Pin2=GND, Pin3=OUT
Pin Function Description: VCC – Power Supply Input (1.65~5.5V); GND – Common Ground; OUT – Magnetic Signal Output
Package Dimension Drawings
Key SOT23-3L Dimensions: Total length 3.0mm, width 2.8mm, pin pitch 1.7mm
Key TO-92S Dimensions: Total length 15.5mm, body diameter 2.57mm, pin pitch 1.3mm
Internal Block Diagram & Typical Application Circuits
JYM27278 Internal Functional Block Diagram
Internal Circuit Composition: Power-on Reset Circuit, Voltage Regulator Module, Oscillator Circuit, Bias Unit, Hall Sensing Element, Signal Amplifier Comparator, Output Driver Stage
Two Standard Output Wiring Schemes
1. Push-Pull Output Application: Connect VCC to 1.65V~5.5V power rail, GND to system ground, OUT directly connects MCU IO. A 0.1μF decoupling capacitor shall be placed across VCC and GND to suppress power rail noise.
2. Open-Drain Output Application: A 1~10kΩ pull-up resistor must be connected from OUT pin to supply rail; other wiring is identical to push-pull version, compatible with multi-level MCU systems.
Installation Note: Ensure magnetic field vertically aligns with the chip’s Hall sensing area for stable trigger response. Implement full ESD protection during soldering to prevent internal circuit breakdown.
Ordering Part Numbers & Standard Packaging Specs
| Full Part Number | Switching Frequency | Package Type | Output Type | Standard Packing |
|---|---|---|---|---|
| JYM27278BAESOER | 740Hz | SOT23-3L | Push-Pull | 3000PCS / Tape & Reel |
| JYM27278BAESOFR | 2.6kHz | SOT23-3L | Push-Pull | 3000PCS / Tape & Reel |
| JYM27278BAESOGR | 5.2kHz | SOT23-3L | Push-Pull | 3000PCS / Tape & Reel |
| JYM27278BBESOER | 740Hz | SOT23-3L | Open-Drain | 3000PCS / Tape & Reel |
| JYM27278BAEUAEM | 740Hz | TO-92S | Push-Pull | 1000PCS / Bag |
Typical Application Fields
Magnetic cover wake-up & lid detection for touchscreen phones, tablets, laptops, digital cameras and other portable smart devices.
Low-power consumer products including electric toys, game consoles and remote control devices with magnetic trigger functions.
Home appliances, solid-state switches, position sensing, rotational speed detection and other industrial control equipment.
Smart wearables, IoT sensor nodes, battery-powered magnetic detection instruments.
Compatible Drop-In Parts & Product Performance Advantages
JYM27278 shares identical package footprint and pin assignment, supporting direct pin-to-pin replacement of mainstream bipolar latch Hall sensors such as AH3503, SS495A, A3144, OH44E, TLE4913 without PCB redesign.
| Comparison Item | JIUYOU JYM27278 | Conventional Generic Hall ICs |
|---|---|---|
| Quiescent Power Consumption | Over 60% lower power, minimum 27μA for extended battery life | Operating current typically above 100μA, higher power drain |
| Magnetic Sensitivity | 20Gs high sensitivity, stable trigger under weak magnetic flux | Most variants require 30~50Gs, demanding stronger magnets |
| Operating Voltage Range | 1.65V~5.5V, compatible with coin-cell low-voltage systems | Minimum supply 2.4V~2.7V, unstable operation under low voltage |
| Temperature Stability | Built-in temp compensation, minimal magnetic threshold drift across full temp range | No temperature compensation, severe sensitivity shift at high / low temperatures |
| Supply & Lead Time | Domestic original manufacturer, ample spot stock via GS-Micro authorized channel, short lead time & cost advantage | Imported parts feature long lead times and unstable pricing |
Integrated temperature compensation and anti-mechanical-stress design delivers superior long-term reliability under wide temperature and vibration operating conditions compared to generic Hall ICs.
FAQ – Common Technical & Procurement Questions
Q1: What is the operating principle of bipolar latch Hall IC, how does it differ from unipolar Hall switches?
A1: Original JIUYOU JYM27278 adopts standard bipolar latch architecture: N-pole triggers output toggle, S-pole resets latch state, retaining output level after power removal for position / speed counting. Generic unipolar Hall ICs have no latch function and are prone to false triggering by stray magnetic fields.
Q2: Can the minimum 1.65V operating voltage directly support CR2032 coin-cell power supply?
A2: Fully compatible. The wide 1.65V minimum supply allows stable operation across full discharge voltage range of CR2032 coin cells, ultra-low 27μA typical current minimizes battery capacity loss.
Q3: What circuit differences exist between push-pull and open-drain output versions?
A3: Push-pull output eliminates pull-up resistors with direct MCU IO connection. Open-drain variant requires external 1k~10k pull-up resistor to support mixed 3.3V / 5V logic level systems. GS-Micro provides reference schematics for both architectures.
Q4: Can existing AH3503 hardware designs directly switch to JYM27278 without PCB revision?
A4: Package and pinout are fully compatible with zero PCB modification required. Only minor magnet flux adjustment is needed for consistent triggering performance, reference datasheet available for cross comparison.
Q5: How to request free samples, original datasheets and bulk quotation?
A5: Contact GS-Micro sales hotline +86 180 1870 3531 with part number JYM27278 noted. Free JIUYOU factory test samples, complete datasheets, register manuals and hardware reference schematics are available upon request.
About GS-Micro Semiconductor
GS-Micro Semiconductor (Shenzhen) Co., Ltd. (short as GS-Micro) was founded in 2023, with predecessor LUMENCHIP established in 2010, headquartered in Shenzhen, China’s tech hub. We are a professional authorized analog semiconductor distribution service provider holding Level 1 distribution licenses for dozens of domestic & overseas IC manufacturers, focusing on mixed-signal chip supply chain and application technical solution implementation to advance localized green intelligent hardware.
GS-Micro integrates original factory authorized distribution, market data analysis, FAE technical support and one-stop component supply into a unified service model. We maintain parallel lines of proprietary solution service team & multi-brand authorized product portfolios to deliver differentiated supply chain services. Centered on global customer demands, we provide customized high-cost-performance IC products and complete hardware solutions to optimize client BOM cost, shorten R&D cycle and stabilize material supply. In-depth design consultation for consumer electronics, automotive, industrial control and IoT wearable verticals. Our in-house R&D team develops power management, signal chain, Hall sensor and AI voice IC series, with leading distribution & application solution capabilities across the industry.
Long-term Level 1 authorized manufacturer partners include JIUYOU MICRO, DONGWOON Korea, CR MICRO (PowTech), CRHJ, APM, COOLSEMI, ANHI, Reasunos, OCX, MassChip, XLSEMI, NSIWAY, EGmicro, Ruimeng Tech, ChipWays, AISPEECH, Aerosemi etc. Full product portfolio covers MCU, power management IC, AI voice chip, signal chain sensor and power discrete devices.
Corporate Core Values: Strive for Employee Growth, Customer-Oriented, Deliver Continuous Value. We focus on stable supply and application technical support for all authorized IC brands, advancing low-power green intelligent semiconductor deployment with global service coverage for Hall, VCM driver and power management IC segments.
Official Website: https://www.gs-micro.com
JYM27278 Sample Request, Bulk Quotation & Original Manufacturer Technical Support
Sales Hotline: +86 180 1870 3531 (Contact: Long He, dedicated account manager for JIUYOU MICRO products)
Business WeChat: gsmicro_semi (Remark: JYM27278 Hall Sensor Inquiry)
Business Email: sales@gs-micro.com
Service Hours: Mon-Fri 09:00-18:00 (GMT+8). Free original JIUYOU datasheets, standard reference schematics, PCB layout guidance and bulk project cost evaluation available.
Page Keywords: JYM27278, JIUYOU MICRO, hall switch sensor, bipolar latch hall sensor, low power hall ic, high sensitivity 20Gs hall, AH3503 drop-in replacement, GS-Micro authorized hall sensor distributor
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