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UCD3020RGZR

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Texas Instruments Power Management - Specialized, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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UCD3020RGZR

Texas Instruments · Power Management - Specialized · VQFN-48-EP(7x7)

UCD3020RGZR from Texas Instruments, in a VQFN-48-EP(7x7). 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 AD-05/COMP4 input 12-bit ADC channel 5 and analog comparator #4 input; the datasheet lists this pin as an input (I).
2 AD-04/COMP3 input 12-bit ADC channel 4 and analog comparator #3 input; the datasheet lists this pin as an input (I).
3 AD-03/COMP2 input 12-bit ADC channel 3 and analog comparator #2 input; the datasheet lists this pin as an input (I).
4 AD-08 input 12-bit ADC channel 8 general-purpose analog input.
5 RESET input Active-low device-reset input.
6 GPIO_08/FAULT-1A bidirectional GPIO port 8, also external fault input 1A.
7 GPIO_09/FAULT-1B bidirectional GPIO port 9, also external fault input 1B.
8 GPIO_10/FAULT-2A bidirectional GPIO port 10, also external fault input 2A.
9 GPIO_11/FAULT-2B bidirectional GPIO port 11, also external fault input 2B.
10 PMBUS-CLK bidirectional PMBus clock; must have a pullup to 3.3 V.
11 PMBUS-DATA bidirectional PMBus data; must have a pullup to 3.3 V.
12 GPIO_00/DPWM-1A bidirectional GPIO port 0, also DPWM 1A output.
13 GPIO_01/DPWM-1B bidirectional GPIO port 1, also DPWM 1B output.
14 GPIO_02/DPWM-2A bidirectional GPIO port 2, also DPWM 2A output.
15 GPIO_03/DPWM-2B bidirectional GPIO port 3, also DPWM 2B output.
16 GPIO_06/DPWM-4A bidirectional GPIO port 6, also DPWM 4A output.
17 GPIO_07/DPWM-4B bidirectional GPIO port 7, also DPWM 4B output.
18 GPIO_30 bidirectional GPIO port 30 (general-purpose I/O; the datasheet gives no alternate function for this pin on RGZ).
19 PMBUS-ALERT output PMBus alert, general-purpose output, open-drain; must have a pullup to 3.3 V.
20 PMBUS-CNTL input PMBus control, general-purpose input.
21 GPIO_16/SCI-TX bidirectional GPIO port 16, also SCI transmit.
22 GPIO_17/SCI-RX bidirectional GPIO port 17, also SCI receive.
23 GPIO_18/PWM1 bidirectional GPIO port 18, also PWM output 1 (16-bit timer).
24 GPIO_19/PWM2 bidirectional GPIO port 19, also PWM output 2 (16-bit timer).
25 GPIO_32/FAULT-4A bidirectional GPIO port 32, also external fault input 4A.
26 GPIO_33/FAULT-4B bidirectional GPIO port 33, also external fault input 4B.
27 TCK/FUNC2 bidirectional JTAG TCK, or a secondary function selectable by the IO_FUNC_MODE bits in the I/O functional multiplexer control register.
28 TDO/FUNC2 bidirectional JTAG TDO, or a secondary function selectable by the IO_FUNC_MODE bits in the I/O functional multiplexer control register.
29 TDI/FUNC2 bidirectional JTAG TDI, or a secondary function selectable by the IO_FUNC_MODE bits in the I/O functional multiplexer control register.
30 TMS/FUNC2 bidirectional JTAG TMS, or a secondary function selectable by the IO_FUNC_MODE bits in the I/O functional multiplexer control register.
31 TRST input JTAG reset input.
32 DGND power_in Digital ground.
33 V33D power_in Digital core 3.3-V supply (3.0 V to 3.6 V during operation).
34 V33A power_in Analog 3.3-V supply (3.0 V to 3.6 V during operation).
35 BPCAP power_out 1.8-V bypass-capacitor connect pin for the internal regulator; requires an external capacitor from 1 µF to 4.7 µF.
36 AGND power_in Analog ground.
37 EAP1 input Channel 1 differential error-ADC analog voltage, positive input (0 V to 1.6 V common-mode range).
38 EAN1 input Channel 1 differential error-ADC analog voltage, negative input (0 V to 1.6 V common-mode range).
39 EAP2 input Channel 2 differential error-ADC analog voltage, positive input (0 V to 1.6 V common-mode range).
40 EAN2 input Channel 2 differential error-ADC analog voltage, negative input (0 V to 1.6 V common-mode range).
41 V33FB input 3.3-V linear-regulator feedback input.
42 AD-02/COMP1 input 12-bit ADC channel 2 and analog comparator #1 input.
43 AD-01/PMB_ADDR2 input 12-bit ADC channel 1 and PMBus address sense (most-significant address bits).
44 AD-00/PMB_ADDR1 input 12-bit ADC channel 0 and PMBus address sense (least-significant address bits).
45 AD-07 input 12-bit ADC channel 7 general-purpose analog input.
46 AD-06 input 12-bit ADC channel 6 general-purpose analog input.
47 AGND power_in Analog ground.
48 ADCREFIN/EXTREF input 12-bit ADC external reference input.
49 Thermal Pad passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-48-EP(7x7)
Category Power Management (PMIC)
Pins 49

CAD (KiCad official)

  • Symbol: UCD3020RGZR
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: VQFN-48-EP(7x7) (KiCad packages3D, STEP)
  • 3D model files: ucd3020rgzr-etched.step / ucd3020rgzr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ucd3020rgzr.step / ucd3020rgzr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (95 pp, sha256 1768b1815e603590, retrieved 2026-10-08, 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