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Precise Rotor Position Sensing Device GoChip Elec Tech Shanghai GH1187 for Brushless DC Motor Control

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Precise Rotor Position Sensing Device GoChip Elec Tech Shanghai GH1187 for Brushless DC Motor Control

Operation Points : 10mT

Operating Current : 3.2mA

Release Points : 10mT

Operating Temperature : -40℃~+150℃

Voltage - Supply : 3.8V~30V

Description : TO-92S Switches (Solid State) RoHS

Mfr. Part # : GH1187

Model Number : GH1187

Package : TO-92S

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Product Overview

The GH1187 is an integrated Hall Effect latched sensor designed for electronic commutation of brush-less DC motor applications. It features an on-chip Hall voltage generator, comparator, Schmitt trigger for noise rejection, and an open-collector output. The device operates over a wide supply voltage range with temperature compensation and provides protection against reverse power connection. It is suitable for applications requiring precise rotor position sensing, current switching, and speed measurement in brush-less DC motors and fans.

Product Attributes

Brand: GOCHIP ELECTRONICS TECHNOLOGY (SHANGHAI) CO., LTD.
Model: GH1187
Package Type: SIP3L

Technical Specifications

Parameter	Rating	Unit	Conditions
Supply Voltage (Vcc)	3.8 to 30	V	Operating
Output Saturation Voltage (VO(SAT))	100 to 250	mV	Vcc = 12V, OUT "ON", Io = 25mA to 50mA
Supply Current (Icc)	3.2	mA	Vcc = 3.8V~30V, OUT "OFF"
Output Leakage Current (ILE)	10	A	Released
Rise Time	0.2	S	RL=820, CL=20pF
Fall Time	0.5	S	RL=820, CL=20pF
Operation Point (Bop)	-100 to 100	Gauss	TA = 25, VCC = 12V
Release Point (Brp)	-25 to 25	Gauss	TA = 25, VCC = 12V
Hysteresis (Bhy)	600	Gauss	TA = 25, VCC = 12V
Maximum Output Sink Current (Io(sink))	50	mA
Power Dissipation (PD)	450	mW
Operating Temperature Range	-40 to +150
Storage Temperature Range	-65 to +160

2410121713_GoChip-Elec-Tech--Shanghai-GH1187_C2683241.pdf

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