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Generated by kicad-footprint-generator · KiCad file format 20260206

Name	Last commit message	Last updated
docs	Publish 0.1.0 · Ray	5d ago
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kth5791aq3qns-etched.glb	Publish 0.1.0 · Ray	5d ago
kth5791aq3qns-etched.step	kth5791aq3qns: factory component page (tier=lcsc) · Ray	5d ago
kth5791aq3qns-hero.glb	kth5791aq3qns: hero GLB from the etched model (keeps the MPN mark) · Ray	5d ago
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kth5791aq3qns.lbr	Publish 0.1.0 · Ray	5d ago
kth5791aq3qns.step	Publish 0.1.0 · Ray	5d ago
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KTH5791AQ3QNS

CONNTEK · 3D Magnetic Sensors · QFN-16L(3x3)

KTH5791AQ3QNS from CONNTEK, in a QFN-16L(3x3). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	DVSS	power_in	Digital ground.
2	DVDD	power_in	Digital supply, recommended 1.8 V to AVDD.
3	TEN	input	Test enable pin.
4	TEST3	passive	Internal test pin, must be left floating.
5	MS	input	Operating mode switch; sleep function not enabled, may be left floating.
6	SCL	input	I2C clock (fast mode up to 400 kHz).
7	A	output	Quadrature output signal A.
8	B	output	Quadrature output signal B.
9	VDDIO	power_in	Digital I/O supply, recommended 1.8 V to AVDD (absolute max 6 V).
10	IIC_ADDR	input	Sets the least significant bit of the I2C device address.
11	TEST2	passive	Internal test pin, user must connect to ground.
12	TEST1	passive	Internal test pin, user must connect to ground.
13	NRST	input	Digital circuit reset pin, must be pulled high externally.
14	SDA	bidirectional	I2C data.
15	AVSS	power_in	Analog ground.
16	AVDD	power_in	Analog supply, 2.8 V to 5.5 V recommended (typ 3.3 V), absolute max 6 V.
17	TAP	power_in	Thermal pad, connected to AVSS.

Key specifications

Parameter	Value
Manufacturer	CONNTEK
Package	QFN-16L(3x3)
Category	Magnetic Sensors
Pins	17

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Analog supply voltage (absolute max)	AVDDMAX	-0.3		6	V		3
Digital supply voltage (absolute max)	DVDDMAX	-0.3		6	V		3
Digital IO supply voltage (absolute max)	VDDIOMAX	-0.3		6	V		3
Storage temperature	TSTORAGE	-50		150	℃		3
Analog supply voltage	AVDD	2.8	3.3	5.5	V		3
Digital supply voltage	DVDD	1.8			V	max printed as AVDD	3
Digital IO supply voltage	VDDIO	1.8			V	max printed as AVDD	3
Input high voltage	VIH	0.75			VDDIO		3
Input low voltage	VIL			0.25	VDDIO		3
Operating temperature	TOPERATION	-40	25	85	℃		3

CAD (KiCad official)

Symbol: KTH5791AQ3QNS
Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
3D model: QFN-16L(3x3) (KiCad packages3D, STEP)
3D model files: kth5791aq3qns-etched.step / kth5791aq3qns-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); kth5791aq3qns.step / kth5791aq3qns.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: CONNTEK datasheet (6 pp, sha256 9fd596f32a569df0, retrieved 2026-10-23, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF