component
DRV8256PPWPR
Public Made by Adomby adom
Texas Instruments Motor Driver ICs, HTSSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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DRV8256PPWPR
Texas Instruments · Motor Driver ICs · HTSSOP-28
DRV8256PPWPR from Texas Instruments, in a HTSSOP-28. 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 | VCP | passive | Charge pump output, connected to VM through an X7R 0.22µF 16V ceramic capacitor. |
| 2 | VM | power_in | Motor supply (4.5V to 48V), bypassed to PGND with a 0.01µF ceramic capacitor per VM pin rated for VM plus a bulk capacitor. |
| 3 | PGND | power_in | Power ground, connected to system ground. |
| 4 | OUT1 | output | Winding output connected to the motor winding; all OUT1 pins (4, 5, 10, 11) must be tied together with thick PCB traces. |
| 5 | OUT1 | output | Winding output connected to the motor winding; all OUT1 pins (4, 5, 10, 11) must be tied together with thick PCB traces. |
| 6 | OUT2 | output | Winding output connected to the motor winding; all OUT2 pins (6, 7, 8, 9) must be tied together with thick PCB traces. |
| 7 | OUT2 | output | Winding output connected to the motor winding; all OUT2 pins (6, 7, 8, 9) must be tied together with thick PCB traces. |
| 8 | OUT2 | output | Winding output connected to the motor winding; all OUT2 pins (6, 7, 8, 9) must be tied together with thick PCB traces. |
| 9 | OUT2 | output | Winding output connected to the motor winding; all OUT2 pins (6, 7, 8, 9) must be tied together with thick PCB traces. |
| 10 | OUT1 | output | Winding output connected to the motor winding; all OUT1 pins (4, 5, 10, 11) must be tied together with thick PCB traces. |
| 11 | OUT1 | output | Winding output connected to the motor winding; all OUT1 pins (4, 5, 10, 11) must be tied together with thick PCB traces. |
| 12 | PGND | power_in | Power ground, connected to system ground. |
| 13 | VM | power_in | Motor supply (4.5V to 48V), bypassed to PGND with a 0.01µF ceramic capacitor per VM pin rated for VM plus a bulk capacitor. |
| 14 | GND | power_in | Device ground, connected to system ground. |
| 15 | DVDD | power_out | Logic supply (nominal 5V, up to 2mA load) bypassed to GND with a 0.47µF to 1µF X7R ceramic capacitor rated 6.3V or 10V. |
| 16 | nFAULT | output | Fault indication, pulled logic low in a fault condition; open-drain output requiring an external pull-up resistor. |
| 17 | VREF | power_in | Reference voltage input that sets the full-scale chopping current of the H-bridge; both VREF pins must be connected together. |
| 18 | VREF | power_in | Reference voltage input that sets the full-scale chopping current of the H-bridge; both VREF pins must be connected together. |
| 19 | TOFF | input | Four-level pin that sets the decay-mode off time during current chopping (7, 16, 24 or 32µs) and the ripple current in smart tune ripple control. |
| 20 | NC | unconnected | No connection. |
| 21 | DECAY | input | Four-level decay mode setting pin (smart tune dynamic decay, smart tune ripple control, mixed decay 30% fast, or fast decay). |
| 22 | NC | unconnected | No connection. |
| 23 | NC | unconnected | No connection. |
| 24 | IN2 | input | PWM input that logically controls the state of the H-bridge, with internal pulldown. |
| 25 | IN1 | input | PWM input that logically controls the state of the H-bridge, with internal pulldown. |
| 26 | nSLEEP | input | Sleep mode input: logic high enables the device, logic low enters low-power sleep mode, with internal pulldown; must not be tied to DVDD. |
| 27 | CPL | passive | Charge pump switching node; connect an X7R 0.022µF ceramic capacitor rated for VM between CPH and CPL. |
| 28 | CPH | passive | Charge pump switching node; connect an X7R 0.022µF ceramic capacitor rated for VM between CPH and CPL. |
| 29 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | HTSSOP-28 |
| Category | Power Supply Chip |
| Pins | 29 |
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 operating supply voltage | VVM | 4.5 | 48 | V | 7 | ||
| Logic input voltage | VI | 0 | 5.5 | V | 7 | ||
| VREF RMS voltage range | VREF | 0.05 | 5 | V | 7 | ||
| Applied PWM frequency | ƒPWM | 0 | 100 | kHz | PH, EN, IN1, IN2 | 7 | |
| Peak output current | IFS | 0 | 6.4 | A | 7 | ||
| Operating ambient temperature | TA | -40 | 125 | °C | 7 | ||
| Operating junction temperature | TJ | -40 | 150 | °C | 7 | ||
| Junction-to-ambient thermal resistance | RθJA | 29.7 | °C/W | PWP (HTSSOP) 28-pin | 7 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 23 | °C/W | PWP (HTSSOP) 28-pin | 7 | ||
| Junction-to-board thermal resistance | RθJB | 9.3 | °C/W | PWP (HTSSOP) 28-pin | 7 | ||
| Junction-to-top characterization parameter | ψJT | 0.3 | °C/W | PWP (HTSSOP) 28-pin | 7 | ||
| Junction-to-board characterization parameter | ψJB | 9.2 | °C/W | PWP (HTSSOP) 28-pin | 7 | ||
| Junction-to-case (bottom) thermal resistance | RθJC(bot) | 2.4 | °C/W | PWP (HTSSOP) 28-pin | 7 | ||
| VM operating supply current | IVM | 4 | 5.5 | mA | nSLEEP = 1, no motor load | 8 | |
| VM sleep mode supply current | IVMQ | 2 | 4 | μA | nSLEEP = 0 | 8 | |
| Sleep time | tSLEEP | 120 | μs | nSLEEP = 0 to sleep mode | 8 | ||
| nSLEEP reset pulse | tRESET | 20 | 40 | μs | nSLEEP low to clear fault | 8 | |
| Wake-up time | tWAKE | 0.8 | 1.2 | ms | nSLEEP = 1 to output transition | 8 | |
| Turn-on time | tON | 0.8 | 1.2 | ms | VM > UVLO to output transition | 8 | |
| Internal regulator voltage | VDVDD | 4.75 | 5 | 5.25 | V | No external load, 6V < VVM < 48V | 8 |
| Internal regulator voltage (low VM) | VDVDD | 4.2 | 4.35 | V | No external load, VVM = 4.5V | 8 | |
| Input logic low voltage | VIL | 0 | 0.6 | V | 8 | ||
| Input logic high voltage | VIH | 1.5 | 5.5 | V | 8 | ||
| Input logic low current | IIL | -1 | 1 | μA | VIN = 0V | 8 | |
| Input logic high current | IIH | 100 | μA | VIN = 5V | 8 | ||
| Propagation delay | tPD | 800 | ns | PH, EN, INx input to current change | 8 | ||
| Four-level input low voltage | VI1 | 0 | 0.6 | V | Tied to GND | 8 | |
| Four-level input voltage 330kΩ | VI2 | 1 | 1.25 | 1.4 | V | 330kΩ ± 5% to GND | 8 |
| Four-level input Hi-Z voltage | VI3 | 1.8 | 2 | 2.2 | V | Hi-Z (>500kΩ to GND) | 8 |
| Four-level input logic high voltage | VI4 | 2.7 | 5.5 | V | Tied to DVDD | 8 | |
| nFAULT output logic low voltage | VOL | 0.5 | V | IO = 5mA | 8 | ||
| nFAULT output logic high leakage current | IOH | -1 | 1 | μA | 8 | ||
| High-side FET on resistance | RDS(ONH) | 82 | 100 | mΩ | TJ = 25°C, IO = -1A | 8 | |
| High-side FET on resistance | RDS(ONH) | 125 | 150 | mΩ | TJ = 125°C, IO = -1A | 8 | |
| High-side FET on resistance | RDS(ONH) | 140 | 175 | mΩ | TJ = 150°C, IO = -1A | 8 | |
| Low-side FET on resistance | RDS(ONL) | 82 | 100 | mΩ | TJ = 25°C, IO = 1A | 8 | |
| Low-side FET on resistance | RDS(ONL) | 125 | 150 | mΩ | TJ = 125°C, IO = 1A | 8 | |
| Low-side FET on resistance | RDS(ONL) | 140 | 175 | mΩ | TJ = 150°C, IO = 1A | 8 | |
| VREF leakage current | IVREF | 8.25 | μA | VREF = 3.3V | 8 | ||
| ITRIP current accuracy | ΔITRIP | -12 | 12 | % | 0.5A < ITRIP < 1A | 9 | |
| ITRIP current accuracy | ΔITRIP | -6 | 6 | % | 1A < ITRIP < 2A | 9 | |
| ITRIP current accuracy | ΔITRIP | -4 | 4 | % | 2A < ITRIP < 5A | 9 | |
| VM UVLO lockout (falling) | VUVLO | 4.1 | 4.25 | 4.35 | V | VM falling, UVLO falling | 9 |
| VM UVLO lockout (rising) | VUVLO | 4.2 | 4.35 | 4.45 | V | VM rising, UVLO rising | 9 |
| Thermal shutdown temperature | TOTSD | 150 | 165 | 180 | °C | Die temperature TJ | 9 |
| Input logic hysteresis | VHYS | 150 | mV | 8 | |||
| Charge pump switching frequency | f(VCP) | 360 | kHz | VVM > UVLO; nSLEEP = 1 | 8 | ||
| Output pull-up current | IO | 10 | μA | 8 | |||
| Output slew rate | tSR | 240 | V/µs | VM = 24V, IO = 1A, between 10% and 90% | 8 | ||
| PWM off time | tOFF | 7 | μs | TOFF = 0 | 9 | ||
| PWM off time | tOFF | 16 | μs | TOFF = 1 | 9 | ||
| PWM off time | tOFF | 24 | μs | TOFF = Hi-Z | 9 | ||
| PWM off time | tOFF | 32 | μs | TOFF = 330kΩ to GND | 9 | ||
| Undervoltage hysteresis | VUVLO,HYS | 100 | mV | Rising to falling threshold | 9 | ||
| Overcurrent protection | IOCP | 8 | A | Current through any FET | 9 | ||
| Overcurrent deglitch time | tOCP | 2 | μs | 9 | |||
| Thermal shutdown hysteresis | THYS_OTSD | 20 | °C | Die temperature TJ | 9 |
CAD (KiCad official)
- Symbol:
DRV8256PPWPR - Footprint:
Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm - 3D model: HTSSOP-28 (KiCad packages3D, STEP)
- 3D model files:
drv8256ppwpr-etched.step/drv8256ppwpr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);drv8256ppwpr.step/drv8256ppwpr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (46 pp, sha256
955cb1f20856cec4, retrieved 2026-10-23, 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, primaryclaude-sonnet-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).