main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 6d ago
viewers ldc3114qpwr: viewers · Ray 6d ago
ldc3114qpwr-etched.glb Publish 0.1.0 · Ray 6d ago
ldc3114qpwr-etched.step ldc3114qpwr: factory component page (tier=mfr) · Ray 6d ago
ldc3114qpwr-hero.glb ldc3114qpwr: hero GLB from the etched model (keeps the MPN mark) · Ray 6d ago
ldc3114qpwr-hero.overlay.json Publish 0.1.0 · Ray 6d ago
ldc3114qpwr.glb Publish 0.1.0 · Ray 6d ago
ldc3114qpwr.kicad_mod Publish 0.1.0 · Ray 6d ago
ldc3114qpwr.kicad_sym Publish 0.1.0 · Ray 6d ago
ldc3114qpwr.lbr Publish 0.1.0 · Ray 6d ago
ldc3114qpwr.step Publish 0.1.0 · Ray 6d ago
package.json Publish 0.1.0 · Ray 6d ago
page.json Set visibility: public · Ray 6d ago
README.md Publish 0.1.0 · Ray 6d ago
verification.json Verified: Published by the parts factory: tier mfr, 16 pins · Ray 6d ago

LDC3114QPWR

TEXAS INSTRUMENTS · Global Sourcing Parts · TSSOP-16

LDC3114QPWR from TEXAS INSTRUMENTS, in a TSSOP-16. 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 COM passive Common return current path for all LC resonator sensors; a capacitor should be connected from this pin to GND.
2 GND power_in Ground; both GND pins should be connected to the system ground on the PCB.
3 LPWRB input Normal/Low Power Mode select; set to VDD for Normal Power Mode or to ground for Low Power Mode.
4 VDD power_in Power supply; recommended operating range is 1.71 V to 1.89 V with 1.8 V nominal.
5 INTB output Interrupt output; polarity can be configured in Register 0x11.
6 IN3 passive Channel 3 LC sensor input.
7 IN2 passive Channel 2 LC sensor input.
8 IN1 passive Channel 1 LC sensor input.
9 IN0 passive Channel 0 LC sensor input.
10 GND power_in Ground; both GND pins should be connected to the system ground on the PCB.
11 OUT3 output Channel 3 logic output; polarity can be configured in Register 0x1C.
12 OUT2 output Channel 2 logic output; polarity can be configured in Register 0x1C.
13 OUT1 output Channel 1 logic output; polarity can be configured in Register 0x1C.
14 SDA bidirectional I2C data line; I2C address is 0x2A.
15 OUT0 output Channel 0 logic output; polarity can be configured in Register 0x1C.
16 SCL input I2C clock input.

Key specifications

Parameter Value
Manufacturer TEXAS INSTRUMENTS
Package TSSOP-16
Category Global Sourcing Parts
Pins 16

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
VDD Supply voltage VDD 2.2 V 4
Voltage on SCL, SDA, INTB VI -0.3 3.6 V 4
Voltage on any other pin -0.3 2.2 V Maximum voltage across any two pins (not including SCL or SDA) is VDD + 0.3 V 4
Junction temperature TJ -40 135 ℃ 4
Storage temperature TSTG -65 125 °C 4
Electrostatic discharge, human body model (HBM) V(ESD) -1000 1000 V Per ANSI/ESDA/JEDEC JS-001 4
Electrostatic discharge, charged device model (CDM) V(ESD) -250 250 V Per ANSI/ESDA/JEDEC JS-002 4
Supply voltage VDD 1.71 1.89 V 4
Ambient temperature (TSSOP Package) TA -40 125 °C 4
Supply voltage VDD 1.71 1.8 1.89 V 4
Normal power mode supply current (4 channels) IDDNP 0.46 2 mA 4 channels, 40 SPS per channel, 1 ms sampling window per channel, LPWRB = VDD, -40℃ ≤ TA ≤ 125℃ 5
Normal power mode supply current (2 channels) IDDNP 0.31 1 mA 2 channels, 40 SPS per channel, 1 ms sampling window per channel, LPWRB = VDD, -40℃ ≤ TA ≤ 125℃ 5
Low power mode supply current IDDLP 10 35 µA 1 channel, 1.25 SPS per channel, 1 ms sampling window per channel, LPWRB = Ground, -40℃ ≤ TA ≤ 125℃ 5
Standby supply current IDDSB 7 22 µA No button active (EN = 0x00), -40℃ ≤ TA ≤ 125℃ 5
Maximum sensor current drive ISENSOR, MAX 2.5 mA Registers SENSORn_CONFIG: RPn = 0 5
Minimum sensor parallel resonant impedance RP, MIN 350 Ω 5
Maximum sensor parallel resonant impedance RP, MAX 10 kΩ 5
Sensor resonant frequency f SENSOR 5 30 MHz 5
Minimum sensor quality factor QSENSOR, MIN 5 5
Maximum sensor quality factor QSENSOR, MAX 30 5
Minimum normal power mode scan rate SRNP, MIN 7 10 13 SPS LPWRB = VDD 5
Maximum normal power mode scan rate SRNP, MAX 56 80 104 SPS LPWRB = VDD 5
Minimum low power mode scan rate SRLP, MIN 0.438 0.625 0.813 SPS LPWRB = Ground 5
Maximum low power mode scan rate SRLP, MAX 3.5 5 6.5 SPS LPWRB = Ground 5
Internal reference clock frequency variation from TA=25℃ to over temperature fREF_CLK_TC 3 % -40℃ ≤ TA ≤ 125℃ 5
Input high voltage, LPWRB pin VIH 0.8 ×VDD 5
Input low voltage, LPWRB pin VIL 0.2 ×VDD 5
Output high voltage, OUTx pins VOH 0.8 ×VDD ISOURCE = 400 µA 6
Output low voltage, OUTx pins VOL 0.2 ×VDD ISINK = 400 µA 6
Digital input leakage current IL -500 500 nA 6
Output low voltage, INTB pin VOL_INTB 0.4 V 3 mA sink current 6
Input high voltage VIH_I2C 0.7 ×VDD 6
Input low voltage VIL_I2C 0.3 ×VDD 6
Output low voltage VOL_I2C 0.2 ×VDD 3 mA sink current 6
Clock frequency fSCL 400 kHz 6
Clock low time tLOW 1.3 µs 6
Clock high time tHIGH 0.6 µs 6
Hold time repeated START condition tHD;STA 0.6 µs After this period, the first clock pulse is generated. 6
Set-up time for a repeated START condition tSU;STA 0.6 µs 6
Data hold time tHD;DAT 0 µs 6
Data set-up time tSU;DAT 100 ns 6
Set-up time for STOP condition tSU;STO 0.6 µs 6
Bus free time between a STOP and START condition tBUF 1.3 µs 6
Data valid time tVD;DAT 0.9 µs 6
Data valid acknowledge time tVD;ACK 0.9 µs 6
Pulse width of spikes that must be suppressed by the input filter tSP 50 ns 6
Sensor input pin capacitance CIN 17 pF 5
Sensor oscillation peak-to-peak voltage VSENSOR, PP 0.9 V Measured on the INn pins with reference to COM. 5
Internal reference clock frequency fREF_CLK 44 MHz TA=25℃ 5
Hysteresis HYSI2C 0.05 ×VDD 6
Junction-to-ambient thermal resistance RθJA 105.1 °C/W 4
Junction-to-case (top) thermal resistance RθJC(top) 40.3 °C/W 4
Junction-to-board thermal resistance RθJB 50.2 °C/W 4
Junction-to-top characterization parameter ΨJT 3.6 °C/W 4
Junction-to-board characterization parameter ΨJB 49.6 °C/W 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper capacitor value, refer to Setting COM Pin Capacitor. CCOM should be placed as close as possible to the COM pin. The COM signal should be tied to a small copper fill placed underneath the INn signals. 51

CAD (KiCad official)

  • Symbol: LDC3114QPWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: ldc3114qpwr-etched.step / ldc3114qpwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ldc3114qpwr.step / ldc3114qpwr.glb are the bare package body.

Provenance

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

  • Datasheet: TEXAS INSTRUMENTS datasheet (61 pp, sha256 43e81291d2ec106e, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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