# PAC5285-T

**Qorvo** · Brushless DC (BLDC) Motor Driver · TQFN-40(6x6)

PAC5285-T from Qorvo, in a TQFN-40(6x6). 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 | PC3/AD3 | bidirectional | IO port PC3 or ADC channel AD3. |
| 2 | PC2/AD2 | bidirectional | IO port PC2 or ADC channel AD2. |
| 3 | VCC33 | power_out | Internally generated 3.3V supply; connect a 10V/1µF ceramic capacitor from VCC33 to VSS close to the device. |
| 4 | NC | unconnected | Not connected; leave floating. |
| 5 | NC | unconnected | Not connected; leave floating. |
| 6 | VSS | power_in | Ground. |
| 7 | PB | input | Active-low push-button input for hibernate wake-up. |
| 8 | ISNSN | input | Motor current sense, negative terminal. |
| 9 | ISNSP | input | Motor current sense, positive terminal. |
| 10 | SRC | passive | Inverter source node, connect to ISNSP. |
| 11 | SRC | passive | Inverter source node, connect to ISNSP. |
| 12 | OUTU | output | Phase U output. |
| 13 | VM | power_in | Main power supply (motor voltage). |
| 14 | VM | power_in | Main power supply (motor voltage). |
| 15 | OUTV | output | Phase V output. |
| 16 | SRC | passive | Inverter source node, connect to ISNSP. |
| 17 | SRC | passive | Inverter source node, connect to ISNSP. |
| 18 | OUTW | output | Phase W output. |
| 19 | VM | power_in | Main power supply (motor voltage). |
| 20 | VM | power_in | Main power supply (motor voltage); connect a high value electrolytic capacitor in parallel with a 0.1µF ceramic from VM to VSS with a trace shorter than 10mm. |
| 21 | VCP | passive | Charge pump output; connect a 10V/1µF ceramic capacitor between VCP and VM. |
| 22 | CPH | passive | Charge pump switch node; connect a VM*1.5V rated 0.1µF flying capacitor between CPL and CPH. |
| 23 | CPL | passive | Charge pump switch node; connect a VM*1.5V rated 0.1µF flying capacitor between CPL and CPH. |
| 24 | VSYS | power_out | Internally generated 5V supply; connect a 10V/4.7µF ceramic capacitor from VSYS to VSS close to the device. |
| 25 | VSYS | power_out | Internally generated 5V supply; connect a 10V/4.7µF ceramic capacitor from VSYS to VSS close to the device. |
| 26 | NC | unconnected | Not connected; leave floating. |
| 27 | NC | unconnected | Not connected; leave floating. |
| 28 | PA6 | bidirectional | IO port PA6. |
| 29 | PA7 | bidirectional | IO port PA7. |
| 30 | NC | unconnected | Not connected; leave floating. |
| 31 | PD1 | bidirectional | IO port PD1. |
| 32 | PD0 | bidirectional | IO port PD0. |
| 33 | PE0 | bidirectional | IO port PE0. |
| 34 | PE1 | bidirectional | IO port PE1. |
| 35 | PE2 | bidirectional | IO port PE2. |
| 36 | PE3 | bidirectional | IO port PE3. |
| 37 | VCCIO | power_out | Internally generated 3.3V IO supply; for 3.3V IO connect a 10V/1µF ceramic capacitor close to the device, for 5V connect to VSYS. |
| 38 | VCORE | power_out | Internally generated digital 1.8V supply; connect a 6.3V/1µF ceramic capacitor from VCORE to VSS close to the device. |
| 39 | PC5/AD5 | bidirectional | IO port PC5 or ADC channel AD5. |
| 40 | PC4/AD4 | bidirectional | IO port PC4 or ADC channel AD4. |
| 41 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Qorvo |
| Package | TQFN-40(6x6) |
| Category | Motor Driver ICs |
| Pins | 41 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VM to VSS Supply Input Voltage | VM | -0.3 |  | 40 | V |  | 10 |
| VCP to VM Charge Pump Voltage | VCP | -0.3 |  | 6 | V |  | 10 |
| VSYS to VSS | VSYS | -0.3 |  | 6 | V |  | 10 |
| VCC33 to VSS | VCC33 | -0.3 |  | 4.1 | V |  | 10 |
| VCORE to VSS | VCORE | -0.3 |  | 2.5 | V |  | 10 |
| PB to VSS | PB | -0.3 |  | 6 | V |  | 10 |
| Motor Phase Voltage OUTU/V/W | OUTx | -1 |  | 44 | V |  | 10 |
| Pin injection current | IPxy |  |  | 7.5 | mA |  | 10 |
| Sum of pin injection current | ΣIPxy |  |  | 25 | mA |  | 10 |
| Ambient Temperature | TA | -40 |  | 105 | °C |  | 10 |
| Storage Temperature | TSTG | -40 |  | 140 | °C |  | 10 |
| ESD HBM | HBM |  |  | 2 | kV |  | 10 |
| ESD CDM | CDM |  |  | 1 | kV | All pins | 10 |
| VM Supply Input Voltage | VM | 5.5 | 12 | 27 | V |  | 10 |
| VM hibernate mode supply current | IHIB;VM |  |  | 8 | µA | Hibernate mode active, VM = 12V | 16 |
| VM operating voltage range | VOP;VM | 5.5 |  | 27 | V |  | 16 |
| VM under-voltage lockout rising | VUVLOR;VM | 5.2 |  | 5.4 | V |  | 16 |
| VSYS under-voltage lockout rising | VUVLOR;VSYS | 4.35 | 4.5 | 4.65 | V |  | 17 |
| VCC33 power OK threshold | kPOK;VCC33 | 85 | 90 | 95 | % | VCC33 rising, hysteresis = 10% | 17 |
| VCORE power OK threshold | kPOK;VCORE | 85 | 90 | 95 | % | VCORE rising, hysteresis = 10% | 17 |
| VREF Reference Voltage | VREF | -0.5 | 2.5 | 0.5 | V | TA = 25°C (tolerance printed in %) | 17 |
| Trimmed CLKREF frequency | fCLKREF | 3.96 | 4 | 4.05 | MHz | TA = 25°C | 17 |
| Trimmed CLKREF frequency | fCLKREF | 3.92 | 4 | 4.08 | MHz | TA = -40°C to 105°C | 17 |
| DA input common mode range | VICMR;DA | -0.3 |  | 3.3 | V |  | 22 |
| DA input offset voltage | VOS;DA | -8 |  | 8 | mV | Gain = 4x | 22 |
| DA gain | AVZI;DA | -2 | 4 | 2 | % | Gain = 4x, VDAxP=VDAxN=0V, TA = 25C | 22 |
| Inverter MOSFET RDS(ON) | RDS(ON) |  | 300 | 600 | mΩ |  | 24 |
| Temperature warning threshold | TWARN |  | 140 |  | ºC |  | 22 |
| Temperature fault threshold | TFAULT |  | 165 |  | ºC |  | 22 |
| ADC INL |  |  | 1 |  | LSB |  | 27 |
| Trimmed RC oscillator frequency | fTRIM | -2 | 4 | 2 | MHz | TA = -40°C to 105°C (tolerance printed in %) | 33 |
| PAx/PDx/PEx high-level input voltage | VIH | 3 |  |  | V | VCCIO = 5V | 39 |
| PAx/PDx/PEx low-level input voltage | VIL |  |  | 0.8 | V | VCCIO = 5V | 39 |
| Weak pull-up resistance | RPU | 53 | 66 | 87 | kΩ | VCCIO = 5V | 39 |
| Weak pull-down resistance | RPD | 63 | 108 | 244 | kΩ | VCCIO = 5V | 39 |
| Input leakage current | IIL | -10 | 0 | 10 | µA | TA = 125°C | 39 |
| Operating junction temperature range | TJ | -40 |  | 125 | C |  | 52 |
| Junction-to-case thermal resistance | JC |  | 2.897 |  | C/W |  | 52 |
| Junction-to-ambient thermal resistance | JA |  | 23.36 |  | C/W |  | 52 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | Compatible with both lead-free (260 °C max. reflow temperature) and tin/lead (245 °C max. reflow temperature) soldering processes. PAC5285 | 57 |

## CAD (KiCad official)

- Symbol: `PAC5285-T`
- Footprint: `Package_DFN_QFN:QFN-40-1EP_6x6mm_P0.5mm_EP4.6x4.6mm`
- 3D model: TQFN-40(6x6) (KiCad packages3D, STEP)
- 3D model files: `pac5285-t-etched.step` / `pac5285-t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pac5285-t.step` / `pac5285-t.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Qorvo datasheet](docs/pac5285-t-datasheet.pdf) (58 pp, sha256 `3a02d75415c2f64d`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/pac5285-t-datasheet.pdf)