component
TPS6522053RHBR
Public Made by Adomby adom
Texas Instruments Power Management - Specialized, VQFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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TPS6522053RHBR
Texas Instruments · Power Management - Specialized · VQFN-32(5x5)
TPS6522053RHBR from Texas Instruments, in a VQFN-32(5x5). 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 | FB_B1 | input | Feedback input for Buck1; connect to Buck1 output filter, nominal output voltage configured in EEPROM. |
| 2 | LX_B1_1 | passive | Switch pin for Buck1; connect one side of the Buck1 inductor to this pin. |
| 3 | LX_B1_2 | passive | 2nd switch pin for Buck1; connect one side of the Buck1 inductor and tie to LX_B1_1. |
| 4 | PVIN_B1_1 | power_in | Power input for Buck1; bypass to ground with 4.7 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 5 | PVIN_B1_2 | power_in | 2nd power input for Buck1 sharing the bypass capacitor of pin 4; must not exceed VSYS voltage. |
| 6 | PVIN_LDO1 | power_in | Power input for LDO1; voltage must not exceed voltage on VSYS pin. |
| 7 | VLDO1 | power_out | Output of LDO1, nominal voltage configured in EEPROM; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 8 | GPO1 | output | General purpose open-drain output configurable in power-up/power-down sequence to enable an external rail. |
| 9 | SDA | bidirectional | I2C serial data pin; logic levels depend on the external pull-up voltage. |
| 10 | SCL | input | I2C serial clock pin; logic levels depend on the external pull-up voltage. |
| 11 | nINT | output | Open-drain interrupt request output pulled low for fault conditions and released when the bit is cleared. |
| 12 | VSEL_SD/VSEL_DDR | input | Multi-function pin configured as VSEL_SD (SD-card IO voltage select for LDO1 or LDO2, 1.8 V vs register VOUT) or VSEL_DDR (DDR voltage selection for Buck3). |
| 13 | VSYS | power_in | Input supply pin for reference system; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 14 | VDD1P8 | power_out | Internal reference voltage for internal use only; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 15 | AGND | power_in | Ground pin for analog ground. |
| 16 | GPIO | bidirectional | Configurable as general purpose open-drain output (GPO) or as level-sensitive synchronizing I/O for multiple TPS65220 devices. |
| 17 | GPO2 | output | General purpose open-drain output configurable in power-up/power-down sequence to enable an external rail. |
| 18 | nRSTOUT | output | Reset output to SoC controlled by sequencer; high in ACTIVE and STBY state. |
| 19 | VLDO2 | power_out | Output of LDO2, nominal voltage configured in EEPROM; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 20 | PVIN_LDO2 | power_in | Power input for LDO2; bypass with 2.2 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 21 | VLDO3 | power_out | Output of LDO3, nominal voltage configured in EEPROM; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 22 | PVIN_LDO34 | power_in | Power input for LDO3 and LDO4; bypass with 4.7 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 23 | VLDO4 | power_out | Output of LDO4, nominal voltage configured in EEPROM; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 24 | FB_B3 | input | Feedback input for Buck3; connect to Buck3 output filter, nominal output voltage configured in EEPROM. |
| 25 | EN/PB/VSENSE | input | ON-request input configurable as EN, push-button monitor (600 ms low ON-request, 8 s low OFF-request) or VSENSE power-fail comparator input. |
| 26 | PVIN_B3 | power_in | Power input for Buck3; bypass with 4.7 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 27 | LX_B3 | passive | Switch pin for Buck3; connect one side of the Buck3 inductor to this pin. |
| 28 | MODE/RESET | input | Multi-function pin configured as MODE (forces PWM or permits auto PFM) or RESET (forces WARM or COLD reset); polarity configurable. |
| 29 | LX_B2 | passive | Switch pin for Buck2; connect one side of the Buck2 inductor to this pin. |
| 30 | PVIN_B2 | power_in | Power input for Buck2; bypass with 4.7 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 31 | MODE/STBY | input | Level-sensitive multi-function pin configured as MODE (PWM/PFM control), STBY (low-power mode disabling selected rails) or both. |
| 32 | FB_B2 | input | Feedback input for Buck2; connect to Buck2 output filter, nominal output voltage configured in EEPROM. |
| 33 | PGND | power_in | Exposed thermal pad power ground; must be connected to a continuous ground plane with multiple vias directly underneath. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-32(5x5) |
| Category | Power Management (PMIC) |
| Pins | 33 |
CAD (KiCad official)
- Symbol:
TPS6522053RHBR - Footprint:
Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm - 3D model: VQFN-32(5x5) (KiCad packages3D, STEP)
- 3D model files:
tps6522053rhbr-etched.step/tps6522053rhbr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps6522053rhbr.step/tps6522053rhbr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (160 pp, sha256
e94a7b5f5d3d8c49, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).
# TPS6522053RHBR
**Texas Instruments** · Power Management - Specialized · VQFN-32(5x5)
TPS6522053RHBR from Texas Instruments, in a VQFN-32(5x5). 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 | FB_B1 | input | Feedback input for Buck1; connect to Buck1 output filter, nominal output voltage configured in EEPROM. |
| 2 | LX_B1_1 | passive | Switch pin for Buck1; connect one side of the Buck1 inductor to this pin. |
| 3 | LX_B1_2 | passive | 2nd switch pin for Buck1; connect one side of the Buck1 inductor and tie to LX_B1_1. |
| 4 | PVIN_B1_1 | power_in | Power input for Buck1; bypass to ground with 4.7 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 5 | PVIN_B1_2 | power_in | 2nd power input for Buck1 sharing the bypass capacitor of pin 4; must not exceed VSYS voltage. |
| 6 | PVIN_LDO1 | power_in | Power input for LDO1; voltage must not exceed voltage on VSYS pin. |
| 7 | VLDO1 | power_out | Output of LDO1, nominal voltage configured in EEPROM; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 8 | GPO1 | output | General purpose open-drain output configurable in power-up/power-down sequence to enable an external rail. |
| 9 | SDA | bidirectional | I2C serial data pin; logic levels depend on the external pull-up voltage. |
| 10 | SCL | input | I2C serial clock pin; logic levels depend on the external pull-up voltage. |
| 11 | nINT | output | Open-drain interrupt request output pulled low for fault conditions and released when the bit is cleared. |
| 12 | VSEL_SD/VSEL_DDR | input | Multi-function pin configured as VSEL_SD (SD-card IO voltage select for LDO1 or LDO2, 1.8 V vs register VOUT) or VSEL_DDR (DDR voltage selection for Buck3). |
| 13 | VSYS | power_in | Input supply pin for reference system; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 14 | VDD1P8 | power_out | Internal reference voltage for internal use only; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 15 | AGND | power_in | Ground pin for analog ground. |
| 16 | GPIO | bidirectional | Configurable as general purpose open-drain output (GPO) or as level-sensitive synchronizing I/O for multiple TPS65220 devices. |
| 17 | GPO2 | output | General purpose open-drain output configurable in power-up/power-down sequence to enable an external rail. |
| 18 | nRSTOUT | output | Reset output to SoC controlled by sequencer; high in ACTIVE and STBY state. |
| 19 | VLDO2 | power_out | Output of LDO2, nominal voltage configured in EEPROM; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 20 | PVIN_LDO2 | power_in | Power input for LDO2; bypass with 2.2 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 21 | VLDO3 | power_out | Output of LDO3, nominal voltage configured in EEPROM; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 22 | PVIN_LDO34 | power_in | Power input for LDO3 and LDO4; bypass with 4.7 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 23 | VLDO4 | power_out | Output of LDO4, nominal voltage configured in EEPROM; bypass to ground with 2.2 µF or greater ceramic capacitor. |
| 24 | FB_B3 | input | Feedback input for Buck3; connect to Buck3 output filter, nominal output voltage configured in EEPROM. |
| 25 | EN/PB/VSENSE | input | ON-request input configurable as EN, push-button monitor (600 ms low ON-request, 8 s low OFF-request) or VSENSE power-fail comparator input. |
| 26 | PVIN_B3 | power_in | Power input for Buck3; bypass with 4.7 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 27 | LX_B3 | passive | Switch pin for Buck3; connect one side of the Buck3 inductor to this pin. |
| 28 | MODE/RESET | input | Multi-function pin configured as MODE (forces PWM or permits auto PFM) or RESET (forces WARM or COLD reset); polarity configurable. |
| 29 | LX_B2 | passive | Switch pin for Buck2; connect one side of the Buck2 inductor to this pin. |
| 30 | PVIN_B2 | power_in | Power input for Buck2; bypass with 4.7 µF or greater ceramic capacitor and must not exceed VSYS voltage. |
| 31 | MODE/STBY | input | Level-sensitive multi-function pin configured as MODE (PWM/PFM control), STBY (low-power mode disabling selected rails) or both. |
| 32 | FB_B2 | input | Feedback input for Buck2; connect to Buck2 output filter, nominal output voltage configured in EEPROM. |
| 33 | PGND | power_in | Exposed thermal pad power ground; must be connected to a continuous ground plane with multiple vias directly underneath. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-32(5x5) |
| Category | Power Management (PMIC) |
| Pins | 33 |
## CAD (KiCad official)
- Symbol: `TPS6522053RHBR`
- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`
- 3D model: VQFN-32(5x5) (KiCad packages3D, STEP)
- 3D model files: `tps6522053rhbr-etched.step` / `tps6522053rhbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps6522053rhbr.step` / `tps6522053rhbr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8618210328191000576) (160 pp, sha256 `e94a7b5f5d3d8c49`, retrieved 2026-10-09, 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](docs/tps6522053rhbr-datasheet.pdf)