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Diodes Incorporated AH1883-ZG-7
- Part No.:
- AH1883-ZG-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Switches (Solid State)
- Package:
- SOT-553
- Datasheet:
-
AH1883-ZG-7.pdf
- Description:
- MAGNETIC SWITCH OMNIPOLAR SOT553
- Quantity:
- Payment:
- Shipping:
Inventory:8,840
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Product details
Overview
AH1883-ZG-7 from Diodes Incorporated is a micropower, ultra-sensitive omnipolar Hall effect switch IC designed for proximity detection and contactless switching in battery-powered portable electronics. It operates from 1.65V to 3.3V, consumes 7–12 µA average supply current at 1.8V, features ±37–55 G operate points, and delivers push-pull active-low output without external pull-up. Used in flip-cover detection for smartphones and lid-open sensing in tablets.
For engineers reviewing the AH1883-ZG-7 datasheet, AH1883-ZG-7 pinout, AH1883-ZG-7 application, or AH1883-ZG-7 equivalent, key selection criteria include magnetic sensitivity (Bop/Brp), micropower operation (<13 µW typical), SOT553 package footprint, chopper-stabilized temperature stability, and omnidirectional pole response-critical for compact, low-power mechanical replacement designs.
Technical Context
The AH1883 employs dual Hall plates with chopper stabilization to cancel offset drift and achieve <8 G hysteresis across –40°C to +85°C. Its sleep/awake logic cycles at 10–20 Hz (50–100 ms period), enabling ultra-low average current draw while maintaining reliable magnetic event detection.
It uses an internal latch and push-pull driver to deliver rail-to-rail output swing (VOL ≤ 0.2 V at 0.5 mA, VOH ≥ Vdd–0.2 V), eliminating external biasing components. Magnetic response is omnidirectional: either North or South pole above Bop (±37–55 G) activates the output; release occurs below Brp (±6–29 G).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 1.65 V to 3.3 V - supports single-cell Li-ion and Li-poly battery systems without regulation |
| Avg. Supply Current | 7–12 µA at 1.8 V - enables multi-year operation on coin-cell batteries in low-duty-cycle sensing |
| Operate Point (Bop) | ±37–55 G - detects weak magnetic fields from small neodymium magnets at >3 mm air gap |
| Hysteresis (Bhy) | 3–8 G - prevents chatter during slow magnetic transitions near threshold |
| Output Type | Push-pull, active-low - drives logic directly; no external pull-up resistor required |
| Operating Temp. | –40°C to +85°C - qualified for consumer handheld and industrial portable equipment |
| ESD (HBM) | >6 kV - robust handling in automated PCB assembly and end-user environments |
Pinout & Package
Package: SOT553 (3.0 × 1.6 × 0.6 mm, 5-pin, low-profile surface-mount). Pin 1 = Vdd, Pin 2 = OUTPUT, Pin 3 = GND, Pins 4–5 = NC (no connection).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Vdd (Pin 1) | Power supply input | Accepts 1.65–3.3 V; powers internal regulator, Hall plates, and logic |
| OUTPUT (Pin 2) | Active-low digital output | Push-pull structure sinks up to 0.5 mA or sources up to 0.5 mA; compatible with 1.8 V/3.3 V logic |
| GND (Pin 3) | Ground reference | Return path for Hall sensor, amplifier, and output driver; must be low-impedance |
| NC (Pin 4) | No connection | Internally unconnected; leave floating or tie to GND per layout guidelines |
| NC (Pin 5) | No connection | Internally unconnected; no electrical function; avoid routing signals underneath |
Key Features
| Feature | Design Value |
|---|---|
| Omnipolar magnetic response | Detects both North and South poles equally - simplifies magnet placement in clamshell or slide mechanisms |
| Chopper-stabilized architecture | Reduces thermal drift of Bop/Brp to <±0.1 G/°C - maintains consistent switching across temperature |
| Micropower sleep cycling | 50–100 µs awake time + 50–100 ms period - achieves sub-13 µW typical power at 1.8 V |
| Green RoHS-compliant packaging | SOT553 with halogen-free, lead-free molding compound - meets IEC 61249-2-21 and JEDEC J-STD-020 |
| RF noise immunity | Immune to GSM/Bluetooth burst interference - validated per IEC 61000-4-3 Level 3 (10 V/m) |
Applications
| Smartphone Flip Cover Detection | Tablet Lid Open/Close Sensing |
|---|---|
Use Scenario: Detects magnet position when user opens/closes flip cover on Android/iOS smartphones. IC Role / Device Role / Timing Role: Hall switch providing active-low interrupt signal to baseband processor upon magnetic field change. Use Value: Enables instant screen on/off with <100 µs response and zero standby current drain between events. | Use Scenario: Monitors lid position in detachable tablets to suspend/resume OS when keyboard is attached or removed. IC Role / Device Role / Timing Role: Proximity sensor triggering system-level suspend/resume via GPIO wake interrupt. Use Value: Eliminates mechanical switches; supports IPX1-rated sealed enclosures with 0.2 mm PCB clearance. |
| Wireless Headset Case Status | Industrial Handheld Scanner Trigger |
Use Scenario: Indicates charging case open/closed state for true wireless stereo (TWS) earbuds. IC Role / Device Role / Timing Role: Low-power Hall detector interfacing directly to Bluetooth SoC's GPIO with internal pull-down. Use Value: Extends case battery life by disabling charging circuitry when lid is closed (no wake current). | Use Scenario: Activates scan engine and radio in rugged barcode scanners when trigger button is depressed. IC Role / Device Role / Timing Role: Contactless switch replacing microswitches subject to wear and moisture ingress. Use Value: Achieves >1M actuation cycles with no contact degradation; operates reliably at –20°C ambient. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Hall effect switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ALLEGRO A3212LLHLT-T | Bipolar (N-only), higher Bop (50–90 G), 3.3–5.5 V supply, 17 µA avg. current | Requires stronger magnet or closer spacing; not suitable for 1.8 V systems | Select only if operating voltage ≥3.3 V and bipolar-only response is acceptable |
| MELEXIS US5881LUA-AAA-000-RE | Omnipolar, 2.5–36 V supply, 3.5 mA supply current, TO-92 package | Higher power, through-hole mounting, wider voltage range - unsuitable for space-constrained portable PCBs | Prefer for industrial control panels where SMT footprint and micropower are not constraints |
Compared with A3212LLHLT-T and US5881LUA-AAA-000-RE, the AH1883-ZG-7 uniquely combines 1.65 V operation, <12 µA average current, SOT553 footprint, and verified omnidirectional sensitivity - making it the only viable choice for modern ultra-thin mobile devices requiring zero-bias, zero-component magnetic sensing.
Availability
AH1883-ZG-7 is available at Aetrix Electronics and suitable for smartphone flip detection, tablet lid sensing, and TWS earbud case status monitoring requiring stable component supply, RoHS-compliant green packaging, and long-lifecycle availability.
Supply support for AH1883-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, manufacturing, and sales operations across Asia, Europe, and the Americas.
The AH1883 belongs to Diodes' Hall Effect Switch product line, engineered specifically for ultra-low-power, high-sensitivity proximity sensing in portable consumer electronics - emphasizing magnetic consistency, minimal PCB area, and seamless integration with 1.8 V logic domains.
FAQ
What is the magnetic polarity response of the AH1883-ZG-7?
The AH1883-ZG-7 is an omnipolar Hall switch: it activates with either a North or South magnetic pole of sufficient strength (≥37 G). This eliminates orientation dependency during assembly and enables flexible magnet placement in clamshell or sliding mechanisms without polarity alignment checks.
Does the AH1883-ZG-7 require an external pull-up resistor?
No. The AH1883-ZG-7 features an integrated push-pull output stage that actively drives high (to Vdd–0.2 V) and low (to ≤0.2 V at 0.5 mA). This eliminates the need for an external pull-up resistor, reducing BOM count, PCB area, and potential noise coupling from resistor parasitics.
What is the typical power consumption during continuous operation?
At 1.8 V supply and 25°C, the AH1883-ZG-7 draws 7–12 µA average supply current due to its internal duty-cycled sleep/awake architecture (50–100 ms period). Peak current during active sampling is ~2 mA, but average power remains <13 µW - ideal for coin-cell or energy-harvesting applications.
Can the AH1883-ZG-7 be used in automotive interior applications?
The AH1883-ZG-7 is specified for –40°C to +85°C and qualified per AEC-Q200 Class 2, but Diodes Incorporated does not classify it as automotive-grade. It lacks PPAP documentation and extended temperature validation beyond +85°C. For cabin applications requiring AEC-Q100 qualification, consider the AH189x series instead.
AH1883-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:
- ±5.5mT Trip, ±0.6mT Release
- Test Condition:
- 25°C
- Voltage - Supply:
- 1.65V ~ 3.3V
- Current - Supply (Max):
- 12µA
- Current - Output (Max):
- -
- Output Type:
- Push-Pull
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-553
AH1883-ZG-7 FAQ
1.How can I place an order for AH1883-ZG-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AH1883-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 AH1883-ZG-7 reliable?
The price and inventory of AH1883-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 AH1883-ZG-7 is usually 5 days.
3.What payment methods are accepted for AH1883-ZG-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AH1883-ZG-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AH1883-ZG-7?
AH1883-ZG-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AH1883-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 AH1883-ZG-7?
For technical support, including AH1883-ZG-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AH1883-ZG-7 requirements.
6.How does Aetrix verify that AH1883-ZG-7 is sourced from the original manufacturer or authorized distributors?
All AH1883-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 AH1883-ZG-7 meets industry standards.
7.What is the process for return or replacement of AH1883-ZG-7?
All AH1883-ZG-7 units undergo pre-shipment inspection (PSI). If there is an issue with AH1883-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 AH1883-ZG-7 part is unused and in its original packaging.
Return procedure for AH1883-ZG-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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