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LM2651MTC-3.3

Public Made by Adom

by adom

Texas Instruments DC-DC Converters, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM2651MTC-3.3

Texas Instruments · DC-DC Converters · TSSOP-16

LM2651MTC-3.3 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 SW output Switched-node connection, connected to the source of the internal high-side MOSFET.
2 SW output Switched-node connection, connected to the source of the internal high-side MOSFET.
3 VIN power_in Main power supply pin; recommended VIN supply range is 4 V to 14 V, with an absolute maximum of 15 V.
4 VIN power_in Main power supply pin; recommended VIN supply range is 4 V to 14 V, with an absolute maximum of 15 V.
5 VIN power_in Main power supply pin; recommended VIN supply range is 4 V to 14 V, with an absolute maximum of 15 V.
6 VCB input Bootstrap capacitor connection for high-side gate drive.
7 AVIN input Input supply voltage for control and driver circuits.
8 SD(SS) input Shutdown and soft-start control: pulling this pin below 0.3 V shuts off the regulator, a capacitor to ground sets the input-current control ramp, and it must not be driven by an external source.
9 FB input Output voltage feedback input, connected to the output voltage.
10 COMP input Compensation network connection, connected to the output of the voltage error amplifier.
11 NC unconnected No internal connection.
12 AGND power_in Low-noise analog ground.
13 AGND power_in Low-noise analog ground.
14 PGND power_in Power ground.
15 PGND power_in Power ground.
16 PGND power_in Power ground.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Power Management (PMIC)
Pins 16

CAD (KiCad official)

  • Symbol: LM2651MTC-3.3
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: lm2651mtc-3-3-etched.step / lm2651mtc-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2651mtc-3-3.step / lm2651mtc-3-3.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (26 pp, sha256 a40ea9383fcae0d4, retrieved 2026-10-10, tier: lcsc)
  • 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