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UCD90120ARGCR

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Texas Instruments Monitors & Reset Circuits, VQFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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UCD90120ARGCR

Texas Instruments · Monitors & Reset Circuits · VQFN-64-EP(9x9)

UCD90120ARGCR from Texas Instruments, in a VQFN-64-EP(9x9). 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 MON1 input Analog voltage monitoring input with 0 V to 2.5 V range.
2 MON2 input Analog voltage monitoring input with 0 V to 2.5 V range.
3 MON3 input Analog voltage monitoring input with 0 V to 2.5 V range.
4 MON4 input Analog voltage monitoring input with 0 V to 2.5 V range.
5 MON5 input Analog voltage monitoring input with 0 V to 2.5 V range.
6 MON6 input Analog voltage monitoring input with 0 V to 2.5 V range.
7 V33DIO1 power_in Digital I/O 3.3 V power supply.
8 DVSS1 power_in Digital ground reference.
9 RESET input Active-low device reset input; hold low for at least 2 μs to reset device.
10 TRCK output Test return clock output.
11 GPIO1 bidirectional General-purpose digital input/output pin.
12 GPIO2 bidirectional General-purpose digital input/output pin.
13 GPIO3 bidirectional General-purpose digital input/output pin.
14 GPIO4 bidirectional General-purpose digital input/output pin.
15 PMBUS_CLK tri_state PMBus clock I/O pin; external pullup resistor to 3.3 V required.
16 PMBUS_DATA tri_state PMBus data I/O pin; external pullup resistor to 3.3 V required.
17 FPWM1/GPIO5 bidirectional Programmable PWM output (15.259 kHz to 125 MHz) or general-purpose I/O pin.
18 FPWM2/GPIO6 bidirectional Programmable PWM output (15.259 kHz to 125 MHz) or general-purpose I/O pin.
19 FPWM3/GPIO7 bidirectional Programmable PWM output (15.259 kHz to 125 MHz) or general-purpose I/O pin.
20 FPWM4/GPIO8 bidirectional Programmable PWM output (15.259 kHz to 125 MHz) or general-purpose I/O pin.
21 FPWM5/GPIO9 bidirectional Programmable PWM output (15.259 kHz to 125 MHz) or general-purpose I/O pin.
22 FPWM6/GPIO10 bidirectional Programmable PWM output (15.259 kHz to 125 MHz) or general-purpose I/O pin.
23 FPWM7/GPIO11 bidirectional Programmable PWM output (15.259 kHz to 125 MHz) or general-purpose I/O pin.
24 FPWM8/GPIO12 bidirectional Programmable PWM output (15.259 kHz to 125 MHz) or general-purpose I/O pin.
25 GPIO13 bidirectional General-purpose digital input/output pin.
26 DVSS2 power_in Digital ground reference.
27 PMBALERT# tri_state PMBus alert open-drain output (active-low); external pullup resistor to 3.3 V required.
28 PMBUS_CNTRL input PMBus control input pin.
29 GPIO14 bidirectional General-purpose digital input/output pin.
30 GPIO15 bidirectional General-purpose digital input/output pin.
31 PWM1/GPI1 bidirectional Fixed 10 kHz PWM output or general-purpose input pin.
32 PWM2/GPI2 bidirectional Fixed 1 kHz PWM output or general-purpose input pin.
33 GPIO16 bidirectional General-purpose digital input/output pin.
34 GPIO17 bidirectional General-purpose digital input/output pin.
35 GPIO18 bidirectional General-purpose digital input/output pin.
36 TCK/GPIO19 bidirectional Test clock input or general-purpose I/O pin.
37 TDO/GPIO20 bidirectional Test data out pin or general-purpose I/O pin.
38 TDI/GPIO21 bidirectional Test data in pin or general-purpose I/O; tie to 3.3 V with 10 kΩ resistor.
39 TMS/GPIO22 bidirectional Test mode select pin or general-purpose I/O; tie to 3.3 V with 10 kΩ resistor.
40 TRST input Test reset input pin; tie to ground with 10 kΩ resistor.
41 PWM4/GPI4 bidirectional Programmable PWM output (0.93 Hz to 7.8125 MHz) or general-purpose input pin.
42 PWM3/GPI3 bidirectional Programmable PWM output (0.93 Hz to 7.8125 MHz) or general-purpose input pin.
43 DVSS3 power_in Digital ground reference.
44 V33DIO2 power_in Digital I/O 3.3 V power supply.
45 V33D power_in Digital core 3.3 V power supply.
46 V33A power_in Analog 3.3 V power supply.
47 BPCap passive 1.8 V bypass capacitor connection.
48 AVSS2 power_in Analog ground reference.
49 AVSS1 power_in Analog ground reference.
50 MON10 input Analog voltage monitoring input with 0.2 V to 2.5 V range.
51 NC1 unconnected Not connected.
52 MON11 input Analog voltage monitoring input with 0.2 V to 2.5 V range.
53 NC2 unconnected Not connected.
54 MON12 input Analog voltage monitoring input with 0.2 V to 2.5 V range.
55 NC3 unconnected Not connected.
56 MON13 input Analog voltage monitoring input with 0.2 V to 2.5 V range.
57 NC4 unconnected Not connected.
58 V33FB unconnected Linear regulator feedback connection; leave unconnected.
59 MON7 input Analog voltage monitoring input with 0 V to 2.5 V range.
60 PMBUS_ADDR1 input PMBus analog address input (most-significant address bit).
61 PMBUS_ADDR0 input PMBus analog address input (least-significant address bit).
62 MON8 input Analog voltage monitoring input with 0 V to 2.5 V range.
63 MON9 input Analog voltage monitoring input with 0 V to 2.5 V range.
64 AVSS3 power_in Analog ground reference.
65 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-64-EP(9x9)
Category Power Supply Chip
Pins 65

CAD (KiCad official)

  • Symbol: UCD90120ARGCR
  • Footprint: Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP6x6mm
  • 3D model: VQFN-64-EP(9x9) (KiCad packages3D, STEP)
  • 3D model files: ucd90120argcr-etched.step / ucd90120argcr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ucd90120argcr.step / ucd90120argcr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (59 pp, sha256 29657f8f074d2e8f, retrieved 2026-10-05, 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-haiku-4-5-20251001 (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