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Contents

README

markdown

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