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Diodes Incorporated AH180N-ZG-7
- Part No.:
- AH180N-ZG-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Switches (Solid State)
- Package:
- SOT-553
- Datasheet:
-
AH180N-ZG-7.pdf
- Description:
- MAGNETIC SWITCH OMNIPOLAR SOT553
- Quantity:
- Payment:
- Shipping:
Inventory:74,424
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Product details
Overview
AH180N-ZG-7 from Diodes Incorporated is a micropower omnipolar Hall-effect switch IC designed for contactless magnetic sensing in portable electronics. It operates from 2.5V to 5.5V, draws only 8–40 µA average supply current (at -40°C to +85°C), features a single open-drain output, and switches reliably with either North or South magnetic poles - used in clam-shell phone cover detection and PDA on/off control.
For engineers reviewing the AH180N-ZG-7 datasheet, AH180N-ZG-7 pinout, AH180N-ZG-7 application, or AH180N-ZG-7 equivalent, key selection criteria include its 35–50 G operate point, 10–25 G release point, chopper-stabilized architecture for thermal stability, SOT553 package footprint, and NRND status requiring design-in validation.
Technical Context
The AH180N-ZG-7 integrates two Hall plates and a chopper-stabilized amplifier to cancel offset drift, enabling stable switching across -40°C to +85°C. Its latch-based output controller ensures clean state retention without external components beyond a pull-up resistor and optional 10–100 nF bypass capacitor.
It uses sleep/awake logic to achieve ultra-low power operation: typical awake time is 75–125 µs, and sampling occurs every 75–125 ms with ≤0.1% duty cycle. Magnetic hysteresis (Bhy) is ≥10 G, preventing chatter near threshold transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.5 V to 5.5 V - supports single-cell Li-ion and dual-cell alkaline battery systems without regulation |
| Average Supply Current | 8–40 µA - enables multi-year battery life in always-on cover-switch applications |
| Operate Point (Bop) | ±35–50 G - detects weak magnetic fields from small surface-mount magnets at air gaps up to 3 mm |
| Release Point (Brp) | ±10–25 G - provides ≥10 G hysteresis to reject noise and mechanical vibration |
| Output Type | Open-drain - allows flexible pull-up to any voltage ≤5.5 V, compatible with 1.8 V, 3.3 V, or 5 V logic domains |
| ESD Rating | HBM > 6 kV - withstands handling and assembly without additional protection circuitry |
| Operating Temperature | -40°C to +85°C - qualified for consumer handheld and industrial portable equipment environments |
Pinout & Package
The AH180N-ZG-7 is housed in a 5-pin SOT553 package (1.7 mm × 1.2 mm × 0.6 mm), optimized for space-constrained mobile PCB layouts. Pin 1 is VDD, Pin 2 is GND, Pin 3 is OUTPUT, Pins 4 and 5 are NC (no internal connection).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDD) | Power supply input | Accepts 2.5–5.5 V; requires local 10–100 nF decoupling for RF noise immunity |
| 2 (GND) | Ground reference | Must be low-impedance return path; shares common ground with pull-up resistor and host MCU |
| 3 (OUTPUT) | Open-drain output | Sinks current when active; requires external 10–100 kΩ pull-up to define logic-high level |
| 4 (NC) | No connection | Not bonded internally; must remain unconnected on PCB to avoid parasitic coupling |
| 5 (NC) | No connection | Not bonded internally; floating pad - no solder mask or trace required |
Key Features
| Feature | Design Value |
|---|---|
| Omnipolar magnetic sensitivity | Detects both North and South poles - eliminates magnet orientation constraints during assembly |
| Chopper-stabilized architecture | Reduces offset drift to <1.5 µV/°C - maintains consistent Bop/Brp across temperature without calibration |
| Ultra-low quiescent current | 8–40 µA average consumption - extends battery runtime in always-monitoring mode |
| Integrated stress immunity | Withstands mechanical stress-induced Hall plate distortion - maintains switching accuracy after board flex or drop events |
| RF noise robustness | Validated against 100 MHz–1 GHz RF fields - prevents false triggering in cellular/WiFi-enabled devices |
Applications
| Cover Switch in Clam-Shell Phones | Display Switch for Portable PCs |
|---|---|
Use Scenario: Detects lid closure in flip-style smartphones using a small neodymium magnet embedded in the display bezel. IC Role / Device Role / Timing Role: Hall-effect switch providing digital open/closed status to baseband processor via GPIO interrupt. Use Value: Enables instant screen blanking and power-down within 125 µs of magnet approach, reducing display driver idle current by >95%. | Use Scenario: Activates backlight and touch controller when laptop lid opens, using magnet placement near hinge. IC Role / Device Role / Timing Role: Magnetic presence detector interfaced to EC (Embedded Controller) for system wake event generation. Use Value: Eliminates mechanical switch wear and bounce; supports IP54-rated enclosures with sealed housing design. |
| On/Off Switch for PDAs | Contact-Less Switch in Consumer Products |
Use Scenario: Powers on handheld organizer when stylus dock is removed, using magnet in dock cradle. IC Role / Device Role / Timing Role: System enable signal generator that asserts reset or power-enable line upon magnetic field removal. Use Value: Reduces standby current to <10 µA while maintaining instant wake capability - extends 200 mAh battery life to >6 months. | Use Scenario: Replaces tactile buttons in smart home remotes and wireless speakers with magnet-actuated controls. IC Role / Device Role / Timing Role: Low-power proximity sensor driving MCU wake-up and debounce logic. Use Value: Supports waterproof front-panel designs (IP67) with no moving parts or sealing compromises. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar omnipolar Hall-effect switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AH1806-WG-7 | Same die, SC59 package; higher thermal resistance (230 mW vs. SOT553's 230 mW but smaller footprint limits dissipation) | Larger footprint unsuitable for ultra-thin phones; same magnetic thresholds and timing | Select only if legacy SC59 layout reuse is required and board thickness allows |
| HAL1505TSA | Higher operate point (±60 G), 1.6–5.5 V range, 12 µA avg current; different hysteresis (15 G) | Better suited for high-noise industrial panels; lacks NRND designation | Prefer for new designs needing longer air-gap tolerance or extended voltage margin |
Compared with AH180N-ZG-7, AH1806-WG-7 offers identical functionality in a larger package with less board-area efficiency, while HAL1505TSA provides higher magnetic sensitivity and broader supply range - making it viable for next-gen portable designs where NRND status is a constraint.
Availability
AH180N-ZG-7 is available at Aetrix Electronics and suitable for clam-shell phone cover detection, portable PC display switching, and PDA on/off control requiring stable component supply despite its NRND status.
Supply support for AH180N-ZG-7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design centers across Asia and manufacturing in China, Taiwan, and the U.S.
The AH180N belongs to Diodes' Hall-effect sensor product line, engineered specifically for ultra-low-power, contactless switching in space- and energy-constrained portable electronics.
FAQ
Is AH180N-ZG-7 pin-compatible with other SOT553 Hall-effect switches?
No - AH180N-ZG-7 has a unique 5-pin SOT553 pinout (VDD-GND-OUTPUT-NC-NC) not shared by standard 3-pin Hall switches. Pin 4 and Pin 5 are unconnected; routing traces to them may cause noise coupling. Always verify land pattern against Diodes' latest SOT553 outline drawing.
What is the impact of the "NRND" status on long-term supply?
NRND means Diodes no longer recommends AH180N-ZG-7 for new designs, but full production continues per existing customer commitments. Aetrix maintains active inventory and coordinates with Diodes on last-time-buy windows and migration paths to HAL1505TSA or AH336x series for future projects.
Can AH180N-ZG-7 drive an LED directly?
No - its open-drain output sinks only 1 mA max at 0.3 V, insufficient for visible LED biasing. It requires an external N-channel MOSFET or bipolar transistor stage to drive loads >100 µA. For direct LED control, use a Hall switch with push-pull output like AH9250.
How does chopper stabilization improve performance over conventional Hall switches?
Chopper stabilization modulates the Hall plate signal at ~100 kHz and demodulates it, eliminating DC offset and 1/f noise. This yields ±0.5 G Bop drift over temperature versus ±5 G in non-chopped devices - critical for consistent actuation in varying ambient conditions.
AH180N-ZG-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-553
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Omnipolar Switch
- Technology:
- Hall Effect
- Polarization:
- North Pole, South Pole
- Sensing Range:
- ±5mT Trip, ±1mT Release
- Test Condition:
- 25°C
- Voltage - Supply:
- 2.5V ~ 5.5V
- Current - Supply (Max):
- 16µA
- Current - Output (Max):
- -
- Output Type:
- Open Drain
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-553
AH180N-ZG-7 FAQ
1.How can I place an order for AH180N-ZG-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AH180N-ZG-7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AH180N-ZG-7 reliable?
The price and inventory of AH180N-ZG-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AH180N-ZG-7 is usually 5 days.
3.What payment methods are accepted for AH180N-ZG-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AH180N-ZG-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AH180N-ZG-7?
AH180N-ZG-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AH180N-ZG-7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AH180N-ZG-7?
For technical support, including AH180N-ZG-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AH180N-ZG-7 requirements.
6.How does Aetrix verify that AH180N-ZG-7 is sourced from the original manufacturer or authorized distributors?
All AH180N-ZG-7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AH180N-ZG-7 meets industry standards.
7.What is the process for return or replacement of AH180N-ZG-7?
All AH180N-ZG-7 units undergo pre-shipment inspection (PSI). If there is an issue with AH180N-ZG-7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AH180N-ZG-7 part is unused and in its original packaging.
Return procedure for AH180N-ZG-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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