PDRV8343SPHPRQ1 - 60V 3-Phase Smart Gate Driver | Texas Instruments
料号： PDRV8343SPHPRQ1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： PDRV8343SPHPRQ1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PDRV8343SPHPRQ1 （相同外形与封装尺寸） ——差异在于 Package, Control Interface, MSL Level, Operating Temperature Range.
快速对比工具——选择替代料号进行并排对比：
DRV8343SPHPRQ1
✅ 直接替换✓ 有现货
$4.8 / 个
查看数据手册 →DRV8343S-Q1
✅ 直接替换📋 参考替代料（不在目录中）
DRV8343-Q1
✅ 直接替换📋 参考替代料（不在目录中）
DRV8301DCAR
✅ 直接替换✓ 有现货
$4.1 / 个
查看数据手册 →DRV8353RS
✅ 直接替换📋 参考替代料（不在目录中）
PDRV8343SPHPRQ1 最大额定值与电气特性
| 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 |
| 工作温度 | -40 C to +125 C |
| 封装 | 48-pin HTQFP (PHP) 7x7 mm |
| Package Code | HTFQFP / HTQFP-48 |
| Terminal Pitch | 0.5 mm |
| 安装类型 | Surface Mount |
| AEC-Q100 | Qualified |
| RoHS 状态 | Compliant |
PDRV8343SPHPRQ1 引脚配置
| 引脚 1 | VM — Motor supply voltage (5.5 V to 60 V) |
| 引脚 2 | CP1 — Charge pump flying capacitor 1 |
| 引脚 3 | CP2 — Charge pump flying capacitor 2 |
| 引脚 4 | VCP — Charge pump reservoir (high-side gate supply) |
| 引脚 5 | GH_A — Gate drive output, phase A high-side |
| 引脚 6 | SH_A — Source connection, phase A high-side |
| 引脚 7 | GL_A — Gate drive output, phase A low-side |
| 引脚 8 | SL_A — Source connection, phase A low-side |
| 引脚 9 | GH_B — Gate drive output, phase B high-side |
| 引脚 10 | SH_B — Source connection, phase B high-side |
| 引脚 11 | GL_B — Gate drive output, phase B low-side |
| 引脚 12 | SL_B — Source connection, phase B low-side |
| 引脚 13 | GH_C — Gate drive output, phase C high-side |
| 引脚 14 | SH_C — Source connection, phase C high-side |
| 引脚 15 | GL_C — Gate drive output, phase C low-side |
| 引脚 16 | SL_C — Source connection, phase C low-side |
| 引脚 17 | SN_A — Current shunt amplifier A negative input |
| 引脚 18 | SP_A — Current shunt amplifier A positive input |
| 引脚 19 | SO_A — Current shunt amplifier A output |
| 引脚 20 | SN_B — Current shunt amplifier B negative input |
| 引脚 21 | SP_B — Current shunt amplifier B positive input |
| 引脚 22 | SO_B — Current shunt amplifier B output |
| 引脚 23 | SN_C — Current shunt amplifier C negative input |
| 引脚 24 | SP_C — Current shunt amplifier C positive input |
| 引脚 25 | SO_C — Current shunt amplifier C output |
| 引脚 26 | nSCS — SPI chip select (active low) |
| 引脚 27 | SDI — SPI data input |
| 引脚 28 | SDO — SPI data output |
| 引脚 29 | SCLK — SPI clock |
| 引脚 30 | nFAULT — Fault indicator output (active low, open-drain) |
| 引脚 31 | INHA — PWM input, phase A high-side |
| 引脚 32 | INLA — PWM input, phase A low-side |
| 引脚 33 | INHB — PWM input, phase B high-side |
| 引脚 34 | INLB — PWM input, phase B low-side |
| 引脚 35 | INHC — PWM input, phase C high-side |
| 引脚 36 | INLC — PWM input, phase C low-side |
| 引脚 37 | ENABLE — Device enable (active high) |
| 引脚 38 | WAKE — Wake from sleep mode (active low) |
| 引脚 39 | DVDD — Internal 3.3 V LDO output (digital supply) |
| 引脚 40 | AGND — Analog ground |
| 引脚 41 | AVDD — Analog supply (decoupled internally from DVDD) |
| 引脚 42 | VREF — CSA reference voltage input |
| 引脚 43 | DRVOFF — Gate driver disable (active high) |
| 引脚 44 | NC — Not connected (per datasheet) |
| 引脚 45 | NC — Not connected (per datasheet) |
| 引脚 46 | PHASE — Phase node voltage monitor |
| 引脚 47 | BST_A — Bootstrap A high-side gate supply |
| 引脚 48 | PGND — Power ground (exposed thermal pad tied here) |
典型应用
PDRV8343SPHPRQ1 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： PDRV8343SPHPRQ1 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Three integrated current sense amplifiers vs single-CSA predecessors （对比 DRV8301DCAR)
- Charge-pump high-side gate supply supports 100% duty cycle （对比 Bootstrap-only designs (e.g., DRV8301DCAR))
- SPI daisy-chain supports dual-redundant ECU architectures （对比 DRV8343-Q1 (no-SPI hardware-PWM variant))
设计说明
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.
合规信息
AEC-Q100 qualified for automotive applications. RoHS compliant per TI product page. Halogen-free per TI packaging datasheet.
