Diodes Incorporated — Analog and discrete power solutions
SC59

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AH1913

Micropower Omnipolar Hall Effect Switch

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Description

The AH1913 is an ultra-high sensitivity, digital Omnipolar, Hall effect switch IC from Diodes broad Hall effect switches family. Thanks to the hibernating clocking system, the average supply current is only 12μA at 1.8V, which makes the AH1913 a perfect fit for battery-powered consumer products, smart phones, E meters, smoke detectors, and IoT devices. The wider range of supply voltage (1.6V to 5.5V) extends battery operating time and supports low voltage system microcontrollers, which provides great flexibility for system design. The advanced chopper-stabilized design provides superior stability on switch operating point overtemperature and supply voltage. The high ESD level of up to 6KV helps improve the system robustness.


The output is activated with either a north or south pole of sufficient magnetic field strength. When the magnetic flux density (B) perpendicular to the package is larger than operate point (BOP), the output turns on (pulled low) and held until B is lower than release point (BRP).


The AH1913 comes with industry standard SC59 package

Feature(s)

• Omnipolar Operation (North or South Pole)

• Supply Voltage of 1.6V to 5.5V

• Micropower Operation

• Chopper-Stabilized Design Provides:

    • Superior Temperature Stability
    • Minimal Switch Point Drift
    • Enhanced Immunity to Physical Stress

• -40°C to +85°C Operating Temperature

• High ESD Capability of 6kV (Human Body Model)

• Small Low Profile, SC59 Package

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

Application(s)

• Smart Cover or Dock Detect for Cellular Phones and Tablets

• Position Detect for Digital Still, Video Cameras, and Handheld Gaming Consoles

• Door, Lids, and Tray Position Detect Switches Home Appliances and Industrial Applications

• Level, Proximity, Position Switches, E-Locks, and Smoke Detectors

• Contactless Switches in Home Appliances and Industrial Applications

• Medical Devices, IoT Systems

Product Specifications

Product Parameters

Compliance(Only Automotive supports PPAP) Standard
AEC Qualified No
Type Omnipolar
Outputs Single
Output Type Push-Pull
Active Output State (B > Bop) Low
Inactive Output State (B < Brp) High
Operating Voltage (V) 1.6 to 5.5
Average Supply Current (mA) 0.0043
Min Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 6
Typ Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 18
Max Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 30
Min Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 2
Typ Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 11
Max Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 24
Operating Ambient Temperature (°C) -40 to 85

Technical Documents

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site