Datasheet > AH3717Q

AH3717Q

更新时间： 2023-12-06 20:07:34

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
13页	916K
描述
27V Open-Drain Hall Effect Latch

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AH3717Q 数据手册

AH3717Q

AUTOMOTIVE HIGH-VOLTAGE

LOW-SENSITIVITY HALL-EFFECT LATCH

Description

Pin Assignments

The AH3717Q is an AEC-Q100 qualified high-voltage, low-sensitivity

Hall-effect latch IC designed for brushless DC-motor commutation

speed measurement, angular or linear encoders and position sensors

in automotive applications. To support a wide range of demanding

applications, the design is optimized to operate over the supply range

of 3.0V to 27V. With chopper stabilized architecture and an internal

bandgap regulator to provide temperature compensated supply for

internal circuits, the AH3717Q provides a reliable solution over the

whole operating range. For robustness and protection, the device has

a reverse blocking diode with a Zener clamp on the supply. The

output has an overcurrent limit and a Zener clamp.

(Top View)

3 OUTPUT

1 V_DD

GND 2

SC59 and SOT23 (Type S)

(Top View)

The single, open-drain output can be switched on with south pole of

sufficient strength and switched off with north pole of sufficient

strength. When the magnetic flux density (B) perpendicular to the

package is larger than the operate point (B_OP) the output is switched

on (pulled low). The output is held latched until magnetic flux density

reverses and becomes lower than the release point (B_RP).

3. OUTPUT

2. GND

V_DD

SIP-3 (Bulk Pack)

The magnetic operating and release polarity is opposite for SOT23

(Type S) and SC59 packages. SOT23 (Type S) and SIP-3 (Bulk

Pack) packages will require south pole to the part marking side to

operate while SC59 will require south pole to the non part-marking

side.

Features

Applications



Bipolar Latch (South Pole: On, North Pole: Off)

3.0V to 27V Operating Voltage Range

40V Load Dump Voltage



Brushless DC motor commutation

Revolution per minute (RPM) measurement

Flow meters

Low Sensitivity: B_OPand B_RPof ±140G Typical

Single, Open-Drain Output with Overcurrent Limit

Chopper-Stabilized Design Provides

Angular and linear encoders and position sensors

Contactless commutation, speed measurement and angular

position sensing/indexing in automotive applications

Superior Temperature Stability

Minimal Switch-Point Drift

Enhanced Immunity to Physical Stress



Good RF Noise Immunity

Reverse-Blocking Diode and Zener Clamp on Supply

-40°C to +150°C Operating Temperature

ESD HBM: 8kV, CDM: 1kV

AEC-Q100 Grade 0 Qualified

Industry Standard SC59, SOT23 (Type S), SIP-3 (Bulk Pack)

Packages



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

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

The AH3717Q is suitable for automotive applications

requiring specific change control; this part is AEC-Q100

qualified, PPAP capable, and manufactured in IATF16949

certified facilities.

https://www.diodes.com/quality/product-definitions/

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.

2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and

Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

1 of 13

www.diodes.com

July 2023

AH3717Q

Document number: DS45815 Rev. 1 - 2

12 3 4 5 6 7...13

中文翻译

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与AH3717Q相关器件

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AH371-92	ATMEL	获取价格	Gunn Diode, 22GHz Min, 24GHz Max, Gallium Arsenide, Continuous Wave, W3, 1 PIN
AH371-93	ATMEL	获取价格	Gunn Diode, 22GHz Min, 24GHz Max, Gallium Arsenide, Continuous Wave, W4, 1 PIN
AH371-95	ATMEL	获取价格	Gunn Diode, 22GHz Min, 24GHz Max, Gallium Arsenide, Continuous Wave
AH372-00	ATMEL	获取价格	Gunn Diode, 25GHz Min, 26GHz Max, Gallium Arsenide, Continuous Wave, W2, 1 PIN
AH372-92	ATMEL	获取价格	Gunn Diode, 25GHz Min, 26GHz Max, Gallium Arsenide, Continuous Wave, W3, 1 PIN
AH372-93	ATMEL	获取价格	Gunn Diode, 25GHz Min, 26GHz Max, Gallium Arsenide, Continuous Wave, W4, 1 PIN
AH372-95	ATMEL	获取价格	Gunn Diode, 25GHz Min, 26GHz Max, Gallium Arsenide, Continuous Wave, W5, 1 PIN
AH372-P-A	DIODES	获取价格	Hall Effect Sensor, -6mT Min, 6mT Max, Rectangular, Through Hole Mount, SIP-3
AH372-P-B	DIODES	获取价格	Hall Effect Sensor, -6mT Min, 6mT Max, Rectangular, Through Hole Mount, SIP-3
AH372-SA-7	DIODES	获取价格	Hall Effect Sensor, -6mT Min, 6mT Max, Rectangular, Surface Mount, SOT-23, 3PIN

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