# TPS53211RGTR

**Texas Instruments** · DC-DC Converters · VQFN-16-EP(3x3)

TPS53211RGTR from Texas Instruments, in a VQFN-16-EP(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 | VCCDR | power_in | Gate driver bias supply voltage; 4.5V to 7V operating range with 3.32V typical UVLO threshold. |
| 2 | LGATE | output | Low-side gate drive output with 0.33Ω to 0.7Ω source impedance and 0.5Ω to 1Ω sink impedance. |
| 3 | PHASE | output | Output inductor connection point to integrated power devices; DC range -1V to 24V, transient -3V to 28V. |
| 4 | BOOT | power_in | Bootstrap supply input for high-side gate driver; absolute maximum -0.3V to 36V DC, -5V to 7.7V transient <200ns. |
| 5 | UGATE | output | High-side gate drive output; absolute maximum -0.3V to 36V DC, -5V to 7.7V transient <200ns relative to PHASE. |
| 6 | PGOOD | tri_state | Power good flag open-drain output requiring external pull-up resistor; 0.2V to 0.4V pulldown voltage at 4mA sink. |
| 7 | EN | input | Enable control input with 2.2V logic high threshold and 600mV logic low threshold. |
| 8 | COMP | output | Error amplifier compensation terminal output for Type III compensation network design; -0.3V to 3.6V range. |
| 9 | FB | input | Voltage feedback input for output voltage regulation, OVP, UVP and power good determination; -0.3V to 3.6V range. |
| 10 | VSEN | input | Output voltage sense input for overvoltage and undervoltage protection monitoring; -0.1V to 3.3V operating range. |
| 11 | FBG | power_in | Feedback ground reference for output voltage sense divider network. |
| 12 | CSN | input | Current sense negative input for inductor DCR-based overcurrent detection; -0.7V to VCC-1.5V when VCC ≤7.5V. |
| 13 | CSP | input | Current sense positive input for DCR-based overcurrent detection; 20mV typical OCP threshold with thermal compensation. |
| 14 | OSC | input | Frequency programming input via external resistor to ground; programmable switching frequency 250kHz to 1MHz. |
| 15 | VCC | power_in | Analog control circuit supply voltage input; 4.5V to 14V nominal operating range with 4.25V typical UVLO threshold. |
| 16 | GND | power_in | Digital and power ground reference for logic circuits and low-side gate drive return. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-16-EP(3x3) |
| Category | Power Management (PMIC) |
| Pins | 17 |

## CAD (KiCad official)

- Symbol: `TPS53211RGTR`
- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`
- 3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)
- 3D model files: `tps53211rgtr-etched.step` / `tps53211rgtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps53211rgtr.step` / `tps53211rgtr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tps53211.pdf) (23 pp, sha256 `40f7353f3d16f259`, retrieved 2026-10-07, tier: manufacturer)
- **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](docs/tps53211rgtr-datasheet.pdf)