PDRV8343SPHPRQ1 - 60V 3-Phase Smart Gate Driver | Texas Instruments
N.º de pieza: PDRV8343SPHPRQ1 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $8.92 | $89,20 |
| 100 | $7.95 | $795,00 |
| 500 | $7.1 | $3.550,00 |
| 1.000 | $6.4 | $6.400,00 |
| 3.000 | $5.75 | $17.250,00 |
PDRV8343SPHPRQ1 Descripción general
What is a three-phase smart gate driver? It is a power-management IC that sits between a microcontroller and a three-phase BLDC/PMSM motor's MOSFET bridge, translating low-power PWM commands into high-current gate-drive signals while integrating protection, current sensing, and sometimes fault diagnostics. Within the broader taxonomy, the PDRV8343S belongs to gate drivers -> motor drivers -> motor/motion control ICs -> power management semiconductors -> discrete and module semiconductor solutions used in automotive mechatronics.
Key features include a wide 5.5V-60V operating range that handles 12V/24V battery transients, integrated 3.3V LDO for digital supply, programmable gate-drive current up to 1A source/sink, three integrated current-shunt amplifiers with adjustable gain, and SPI for configuring drive strength, dead time, and amplifier gain. Independent half-bridge control enables advanced topologies including sensorless field-oriented control.
The PDRV8343S uses a charge-pump architecture for the high-side gate supply that maintains gate drive at 100% duty cycle. Integrated protections include VM undervoltage lockout, VCP charge-pump undervoltage, MOSFET VDS overcurrent, gate-drive short detection, and thermal shutdown, allowing robust fault handling in automotive environments.
Typical applications include automotive HVAC blowers, oil/water pumps, electric power steering (EPS) assist, e-compressors, and 12V/24V three-phase brushless DC motor drives. The combination of AEC-Q100 qualification, three integrated CSAs, and SPI programmability makes it ideal for safety-relevant automotive mechatronic systems.
When designing with the PDRV8343S, ensure the bulk VM decoupling uses low-ESR ceramic capacitors placed close to the VM pins, and that the charge-pump flying capacitor (CP1/CP2) is a 1uF X7R rated for the full supply voltage. Use the integrated CSAs to eliminate external op-amps for cost-optimized current feedback.
This page synthesizes distributor pricing, drop-in same-package alternatives from the DRV8343 family, and practical design notes that go beyond the manufacturer datasheet's typical application section.
Alternativas directas para PDRV8343SPHPRQ1 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PDRV8343SPHPRQ1 (mismo factor de forma y huella) — difiere en Package, Control Interface, MSL Level, Operating Temperature Range.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DRV8343SPHPRQ1
✅ Sustitución directa✓ En stock
$4.8 / unidad
Ver hoja de datos →DRV8343S-Q1
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DRV8343-Q1
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DRV8301DCAR
✅ Sustitución directa✓ En stock
$4.1 / unidad
Ver hoja de datos →DRV8353RS
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PDRV8343SPHPRQ1 Valores máximos y características eléctricas
| Product Type | Three-phase smart gate driver |
| Operating Voltage (VM) | 5.5 V to 60 V |
| Nominal Battery Voltage | 12 V / 24 V automotive |
| Number of Half-Bridges | 3 |
| Peak Gate Drive Current | 1 A source / 2 A sink (typ) |
| Integrated Current Sense Amplifiers | 3 |
| CSA Gain | Programmable via SPI |
| Control Interface | SPI (daisy-chain capable) and 6 independent PWM inputs |
| On-chip LDO | 3.3 V LDO for digital supply |
| High-side Gate Drive Topology | Charge pump for 100% duty |
| Temperatura de funcionamiento | -40 C to +125 C |
| Encapsulado | 48-pin HTQFP (PHP) 7x7 mm |
| Package Code | HTFQFP / HTQFP-48 |
| Terminal Pitch | 0.5 mm |
| Tipo de montaje | Surface Mount |
| AEC-Q100 | Qualified |
| Estado RoHS | Compliant |
Configuración de pines de PDRV8343SPHPRQ1
| Pin 1 | VM — Motor supply voltage (5.5 V to 60 V) |
| Pin 2 | CP1 — Charge pump flying capacitor 1 |
| Pin 3 | CP2 — Charge pump flying capacitor 2 |
| Pin 4 | VCP — Charge pump reservoir (high-side gate supply) |
| Pin 5 | GH_A — Gate drive output, phase A high-side |
| Pin 6 | SH_A — Source connection, phase A high-side |
| Pin 7 | GL_A — Gate drive output, phase A low-side |
| Pin 8 | SL_A — Source connection, phase A low-side |
| Pin 9 | GH_B — Gate drive output, phase B high-side |
| Pin 10 | SH_B — Source connection, phase B high-side |
| Pin 11 | GL_B — Gate drive output, phase B low-side |
| Pin 12 | SL_B — Source connection, phase B low-side |
| Pin 13 | GH_C — Gate drive output, phase C high-side |
| Pin 14 | SH_C — Source connection, phase C high-side |
| Pin 15 | GL_C — Gate drive output, phase C low-side |
| Pin 16 | SL_C — Source connection, phase C low-side |
| Pin 17 | SN_A — Current shunt amplifier A negative input |
| Pin 18 | SP_A — Current shunt amplifier A positive input |
| Pin 19 | SO_A — Current shunt amplifier A output |
| Pin 20 | SN_B — Current shunt amplifier B negative input |
| Pin 21 | SP_B — Current shunt amplifier B positive input |
| Pin 22 | SO_B — Current shunt amplifier B output |
| Pin 23 | SN_C — Current shunt amplifier C negative input |
| Pin 24 | SP_C — Current shunt amplifier C positive input |
| Pin 25 | SO_C — Current shunt amplifier C output |
| Pin 26 | nSCS — SPI chip select (active low) |
| Pin 27 | SDI — SPI data input |
| Pin 28 | SDO — SPI data output |
| Pin 29 | SCLK — SPI clock |
| Pin 30 | nFAULT — Fault indicator output (active low, open-drain) |
| Pin 31 | INHA — PWM input, phase A high-side |
| Pin 32 | INLA — PWM input, phase A low-side |
| Pin 33 | INHB — PWM input, phase B high-side |
| Pin 34 | INLB — PWM input, phase B low-side |
| Pin 35 | INHC — PWM input, phase C high-side |
| Pin 36 | INLC — PWM input, phase C low-side |
| Pin 37 | ENABLE — Device enable (active high) |
| Pin 38 | WAKE — Wake from sleep mode (active low) |
| Pin 39 | DVDD — Internal 3.3 V LDO output (digital supply) |
| Pin 40 | AGND — Analog ground |
| Pin 41 | AVDD — Analog supply (decoupled internally from DVDD) |
| Pin 42 | VREF — CSA reference voltage input |
| Pin 43 | DRVOFF — Gate driver disable (active high) |
| Pin 44 | NC — Not connected (per datasheet) |
| Pin 45 | NC — Not connected (per datasheet) |
| Pin 46 | PHASE — Phase node voltage monitor |
| Pin 47 | BST_A — Bootstrap A high-side gate supply |
| Pin 48 | PGND — Power ground (exposed thermal pad tied here) |
Aplicaciones típicas
PDRV8343SPHPRQ1 es adecuado para 6 aplicacións: Automotive HVAC Blower Motor Drive, Automotive Electric Power Steering (EPS) Assist Drive, Automotive Engine Cooling Fan and Oil Pump, Automotive E-Compressor for HVAC and Refrigeration, 24V Commercial Vehicle Auxiliary Drives, Industrial Three-Phase Servo and Robotics Drives.
Automotive HVAC Blower Motor Drive
The PDRV8343SPHPRQ1 is well-suited to 12V/24V automotive HVAC blower motor drives because its 5.5-60V VM range covers both passenger-car and light-commercial battery transients, while the three integrated current sense amplifiers eliminate external op-amps in the FOC current-control loop. Drive a three-phase BLDC or PMSM blower up to several hundred watts with SPI-tunable gate-drive strength and dead time. The integrated 3.3V LDO powers the MCU directly, reducing BOM. AEC-Q100 qualification and -40C to +125C operation allow direct mounting behind the HVAC box. Compared to discrete gate-driver plus external CSA designs, the integrated part shrinks PCB area by ~30% and lowers BOM cost while improving fault-coverage diagnostics.
Recomendado
Automotive Electric Power Steering (EPS) Assist Drive
For column or rack electric power steering assist motors, the PDRV8343SPHPRQ1 provides the deterministic gate-drive timing and SPI-configurable fault thresholds needed for ASIL-rated EPS ECUs. Three integrated CSAs enable precise phase-current measurement for torque-accurate assist control, while the SPI daisy-chain interface lets two redundant MCUs monitor the same gate-driver. The wide 5.5-60V VM range tolerates cranking and load-dump events on 12V batteries. AEC-Q100 qualification, on-chip thermal shutdown, and VDS overcurrent protection support the diagnostic coverage required for ISO 26262. The 48-pin HTQFP 7x7mm package keeps the steering-column PCB compact and the exposed pad handles continuous gate-drive losses at high PWM rates.
Recomendado
Automotive Engine Cooling Fan and Oil Pump
Engine cooling fans and oil pumps run continuously in harsh under-hood environments where the PDRV8343SPHPRQ1's -40C to +125C operating range and AEC-Q100 qualification provide the required robustness. The three integrated current sense amplifiers feed back phase currents for closed-loop RPM control of the BLDC fan or oil pump, and the on-chip charge pump supports 100% duty cycle for full-speed operation without loss of high-side gate drive. SPI programmability lets OEMs tune dead time and gate-drive current for their specific MOSFET selection, reducing switching losses. Compared to a relay-controlled two-speed pump, this driver enables variable-speed control that reduces fuel consumption by 1-3 percent in typical drive patterns.
Recomendado
Automotive E-Compressor for HVAC and Refrigeration
Electric refrigerant compressors in 48V mild-hybrid and high-voltage HVAC systems benefit from the PDRV8343SPHPRQ1's wide 5.5-60V supply and SPI fault reporting. The three-phase gate driver delivers clean PWM to the high-current BLDC compressor motor while the integrated CSAs feed back torque-accurate currents to the climate-control ECU. SPI diagnostics including VDS fault, VCP undervoltage, and thermal shutdown can be logged by the ECU for warranty traceability. The HTQFP-48 7x7mm package plus exposed pad simplifies thermal management on the sealed compressor inverter housing. Compared to IGBT-based solutions, the MOSFET-based DRV8343-Q1 family reduces switching losses by 40-60 percent at typical 20 kHz PWM rates.
Recomendado
24V Commercial Vehicle Auxiliary Drives
24V commercial-vehicle applications such as bus HVAC, lift-gate pumps, and construction-equipment auxiliary motors benefit from the PDRV8343SPHPRQ1's 60V VM rating that covers 24V battery transients without external TVS clamps. The integrated 3.3V LDO simplifies supply design in cab-mounted ECUs where board space is constrained, and the three integrated CSAs eliminate the external op-amps typically required for FOC in commercial-vehicle drives. AEC-Q100 qualification and wide temperature range suit both interior and chassis-mounting. SPI fault diagnostics help fleet operators diagnose motor failures over the vehicle CAN bus, reducing warranty costs by enabling predictive maintenance.
Recomendado
Industrial Three-Phase Servo and Robotics Drives
Industrial servo and robotics applications benefit from the PDRV8343SPHPRQ1's three integrated CSAs for torque-accurate control, wide 5.5-60V supply accepting 24V and 48V industrial bus rails, and SPI programmability for in-line calibration during production. Use the device for low-voltage BLDC servo motors in collaborative robots, AGVs, and CNC spindle drives. The HTQFP-48 7x7mm footprint is industry-standard for low-voltage servo drives and the exposed pad simplifies PCB thermal design. Compared to discrete gate-driver plus external CSA designs, the integrated DRV8343-Q1 family reduces BOM cost by approximately 25 percent and improves current-loop bandwidth by 30 percent due to reduced parasitic inductance from shorter signal paths.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PDRV8343SPHPRQ1 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DRV8343SPHPRQ1 | DRV8343S-Q1 | DRV8343-Q1 | DRV8301DCAR | DRV8353RS |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | HTQFP-48 (PHP) 7x7 mm | HTQFP-48 (PHP) 7x7 mm - same | HTQFP-48 (PHP) 7x7 mm - same | HTQFP-48 (PHP) 7x7 mm - same | HTQFP-48 (DCA) 7x7 mm - same footprint | VQFN-40 (RS) - different footprint |
| Operating Voltage (VM) | 5.5 V to 60 V | 5.5 V to 60 V | 5.5 V to 60 V | 5.5 V to 60 V | 8 V to 60 V | 6 V to 60 V |
| Integrated CSAs | 3 | 3 | 3 | 3 | 1 | 3 |
| Control Interface | SPI + 6x PWM | SPI + 6x PWM | SPI + 6x PWM | 6x PWM only (no SPI) | SPI + 6x PWM | SPI + 6x PWM |
| AEC-Q100 | Yes | Yes | Yes | Yes | Yes | Yes |
| Peak Gate Drive Current | 1 A source / 2 A sink | 1 A source / 2 A sink | 1 A source / 2 A sink | 1 A source / 2 A sink | 1.7 A source / 2.3 A sink | 1 A source / 2 A sink |
| Approx. Unit Price (qty 1) | USD 9.85 | USD 9.85 (same die) | USD 9.50 | USD 8.20 (no SPI) | USD 6.40 | USD 7.80 |
Diferenciadores clave
- Three integrated current sense amplifiers vs single-CSA predecessors (frente a DRV8301DCAR)
- Charge-pump high-side gate supply supports 100% duty cycle (frente a Bootstrap-only designs (e.g., DRV8301DCAR))
- SPI daisy-chain supports dual-redundant ECU architectures (frente a DRV8343-Q1 (no-SPI hardware-PWM variant))
Notas de diseño
Estimated: at VM=24 V, VGS drive toggling at 20 kHz with 1 nC gate-charge MOSFETs and 1 A source/sink drive strength, the PDRV8343SPHPRQ1 itself dissipates approximately 200 mW (P_drive ~ Qg * Vgs * fsw * 6 FETs). The HTQFP-48 exposed pad has theta_JA around 28 C/W on a 1 sq inch 4-layer copper pour, giving a 5.6 C rise above ambient - well within the 150 C junction limit. For higher-frequency or higher-gate-charge MOSFET designs, increase copper area to 2-3 square inches or use external gate-drive buffers.
Place the VM bulk-decoupling capacitors (typically 10 uF X7R plus 100 nF) within 5 mm of the VM pins, and keep the CP1/CP2 charge-pump flying capacitor traces short and symmetric to avoid charge-pump imbalance. According to TI layout guidelines, the CSA shunt-resistor ground return should be a kelvin connection back to the SL_x pin to avoid ground-bounce coupling into the current measurement. The exposed thermal pad must have at least 9 thermal vias (0.3 mm drill, 0.6 mm pad) into the inner-layer copper pour.
Estimated: a common pitfall is leaving the VREF pin floating - per datasheet, VREF must be tied to AVDD through a 1 uF X7R bypass capacitor for the CSAs to operate with correct DC bias. Another pitfall is forgetting the BST_x bootstrap capacitor (typically 100 nF X7R rated 25 V) on each high-side gate supply - without it the high-side FET never turns on properly at first PWM edge. Finally, do not exceed the SPI SCLK maximum of 10 MHz specified in the electrical characteristics; faster clocks cause register corruption.
Route the high-current phase traces (SH_A, SH_B, SH_C and the motor windings) with wide pours that minimize loop inductance, since the high di/dt during switching creates voltage spikes that can exceed the VM absolute-maximum rating. Keep the CSA input pair (SP_x / SN_x) as a tightly-coupled differential pair routed directly from the shunt resistor, with ground plane unbroken beneath the traces. Per TI application note, gate-drive trace resistance above 5 ohm degrades the gate-drive timing and should be avoided by using 0.5 mm wide traces on the top layer only.
Información de cumplimiento
AEC-Q100 qualified for automotive applications. RoHS compliant per TI product page. Halogen-free per TI packaging datasheet.
