DRV8323RSRGZR - 65V 3-Phase Smart Gate Driver with Buck Regulator | Texas Instruments
MPN: DRV8323RSRGZR ✓ فعالDRV8323RSRGZR جائزہ
What is a three-phase smart gate driver? In motor drive systems a three-phase smart gate driver is a power-management IC that sits between a low-power MCU/controller and the high-current N-channel power MOSFETs that commutate a three-phase brushless DC (BLDC) or permanent-magnet synchronous motor (PMSM). It provides level shifting, gate-drive current, fault protection, and current sensing, replacing dozens of discrete components and shrinking the inverter stage to a single chip. Within the broader taxonomy: gate driver -> motor driver -> power management IC -> semiconductor.
Key features include a wide 6 V to 60 V operating range (suitable for 12 V, 24 V and 48 V industrial buses), integrated 3.3 V3/3 LDO for MCU supply, integrated 0.7 A buck regulator, three integrated current-shunt amplifiers supporting low-side or in-line sensing, integrated SPI for configuration and fault telemetry, and programmable gate-drive current up to 1 A peak source / 2 A sink with adjustable dead time and slew-rate control. Protection features include VM undervoltage lockout, VCP charge-pump undervoltage, gate-drive fault, overcurrent (OCP), overtemperature (OTSD), and motor-locked detection with fault pin indication.
The DRV8323R architecture combines a smart gate driver (DRV8323 base) with an integrated buck converter and three dedicated current-sense amplifiers, eliminating the need for external op-amps and DC-DC converters that traditionally accompany three-phase FET bridges. The internal charge pump supports 100% duty-cycle high-side drive, while the SPI bus exposes 16 configuration and 12 status registers for diagnostics, making it suited to FOC, trapezoidal and sinusoidal commutation schemes. The 48-pin QFN package offers a low-inductance ground reference and Power-PowerPAD thermal pad for high-current operation.
Typical applications include cordless power tools, e-bikes and e-scooters, drones and UAVs (multirotor ESCs), automated guided vehicles (AGVs), robotic vacuum cleaners, white goods (washing machines, refrigerators with BLDC compressors), industrial fans and pumps, and 48 V server fans. The wide VIN range and integrated buck make it ideal for battery-powered tools where multiple rails must be generated from a single pack.
When designing with the DRV8323RSRGZR, follow the datasheet layout guidelines: place the three bootstrap capacitors (CBST) as close as possible to the BST_X and OUT_X pins, and use a low-ESR 1 A ceramic on VM and VCP. Use a 4-layer PCB with a continuous ground pour stitched around the RGZ package to handle the gate-driver switching transients.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including a side-by-side comparison versus the DRV8320, DRV8353, and DRV8313 families.
کے لیے ڈراپ اِن متبادل DRV8323RSRGZR — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں DRV8323RSRGZR (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Integrated Buck Regulator, MSL Level, Package, Product Type.
DRV8323RSRGZT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DRV8320RSRGZR
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DRV8353RSRGZR
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DRV8323RHRGZR
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DRV8343RSQRGZR
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DRV8323RSRGZR زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Type | Three-phase smart gate driver |
| Number of Half-Bridges | 3 |
| Motor Supply Voltage (VM) | 6 V to 60 V |
| Absolute Maximum VM | 65 V |
| Logic Supply Voltage (VDD) | 3 V to 5.5 V |
| Integrated Buck Regulator | 0.7 A switching regulator |
| Integrated LDO | 3.3 V or 5 V, 50 mA |
| Current-Shunt Amplifiers | 3 integrated CSAs |
| Peak Gate-Drive Current | 1 A source / 2 A sink |
| Communication Interface | SPI (this variant) |
| آپریٹنگ درجہ حرارت | -40°C to +125°C |
| پیکیج | VQFN-48 (RGZ) 7x7 mm with PowerPAD |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 2 |
| RoHS اسٹیٹس | Compliant |
| Charge Pump | Integrated, supports 100% duty |
DRV8323RSRGZR پن کنفیگریشن
| پن 1 | VM — Motor supply voltage (6 to 60 V) |
| پن 2 | GND — Ground |
| پن 3 | BST_A — Bootstrap capacitor, phase A high-side |
| پن 4 | SH_A — Phase A switching node |
| پن 5 | GH_A — Phase A high-side gate drive |
| پن 6 | GL_A — Phase A low-side gate drive |
| پن 7 | DL_A — Phase A low-side drain sense (CSA input) |
| پن 8 | SO_A — Phase A low-side source sense (CSA input) |
| پن 9 | SN_A — Phase A shunt-amp negative input |
| پن 10 | SP_A — Phase A shunt-amp positive input |
| پن 11 | BST_B — Bootstrap capacitor, phase B high-side |
| پن 12 | SH_B — Phase B switching node |
| پن 13 | GH_B — Phase B high-side gate drive |
| پن 14 | GL_B — Phase B low-side gate drive |
| پن 15 | DL_B — Phase B low-side drain sense (CSA input) |
| پن 16 | SO_B — Phase B low-side source sense (CSA input) |
| پن 17 | SN_B — Phase B shunt-amp negative input |
| پن 18 | SP_B — Phase B shunt-amp positive input |
| پن 19 | BST_C — Bootstrap capacitor, phase C high-side |
| پن 20 | SH_C — Phase C switching node |
| پن 21 | GH_C — Phase C high-side gate drive |
| پن 22 | GL_C — Phase C low-side gate drive |
| پن 23 | DL_C — Phase C low-side drain sense (CSA input) |
| پن 24 | SO_C — Phase C low-side source sense (CSA input) |
| پن 25 | SN_C — Phase C shunt-amp negative input |
| پن 26 | SP_C — Phase C shunt-amp positive input |
| پن 27 | nSCS — SPI chip select (active low) |
| پن 28 | SDI — SPI data in |
| پن 29 | SDO — SPI data out |
| پن 30 | SCLK — SPI clock |
| پن 31 | nFAULT — Fault indicator (active low, open-drain) |
| پن 32 | DRVOFF — Driver disable (write ENABLE) |
| پن 33 | CAL — Shunt-amplifier calibration pin |
| پن 34 | VREF — Shunt-amplifier reference voltage |
| پن 35 | MODE — 6 pins (MODE, IDR_SEL, GAIN) - external configuration |
| پن 36 | IDRIVE — Gate-drive current select (write IDRIVE) |
| پن 37 | TDRIVE — Gate-drive timing select (write TDRIVE) |
| پن 38 | DEAD — Dead-time programming |
| پن 39 | VCP — Charge-pump output (high-side supply) |
| پن 40 | CPH — Charge-pump flying capacitor high |
| پن 41 | CPL — Charge-pump flying capacitor low |
| پن 42 | BST_REF — Bootstrap reference supply |
| پن 43 | BK_CAP — Buck regulator bootstrap capacitor |
| پن 44 | BK_FB — Buck regulator feedback |
| پن 45 | BK_EN — Buck regulator enable |
| پن 46 | LDO — Internal 3.3 V / 5 V LDO output (50 mA) |
| پن 47 | VDD — Logic supply (3 V to 5.5 V) |
| پن 48 | EP — Exposed thermal pad (must be soldered to GND) |
عام استعمالات
DRV8323RSRGZR کے لیے موزوں ہے 6 ایپلیکیشنs: Cordless Power Tools (Drills, Saws, Leaf Blowers), Multirotor Drones and UAV ESCs, E-Bike and E-Scooter Drivetrains, Robotic Vacuum Cleaners, Industrial Fans, Pumps, and Blowers, White Goods (Washing Machine BLDC Drum Combs).
Cordless Power Tools (Drills, Saws, Leaf Blowers)
The DRV8323RSRGZR's 6 V to 60 V VM range covers 18 V, 36 V, and 60 V power-tool battery packs with a single part. Its integrated 0.7 A buck regulator eliminates the external DC-DC converter previously required for the MCU rail, and the three on-die current-shunt amplifiers feed the low-side shunts without external op-amps - reducing BOM and PCB area. Engineers can run field-oriented control (FOC) on a C2000 or MSPM0 MCU and read fault telemetry through the SPI bus, while the PowerPAD thermal pad handles the gate-driver dissipation on a 4-layer board.
تجویز کردہ
Multirotor Drones and UAV ESCs
Drones and multirotor UAVs require compact, lightweight, high-efficiency motor drivers that can switch at high PWM rates for smooth RPM control. The DRV8323RSRGZR's 1 A peak source / 2 A peak sink gate-drive current supports fast switching of small N-channel MOSFETs, while the wide VM range accommodates 4S to 13S Li-Po packs (14.8 V to 48 V) common in pro-sumer drones. The integrated CSAs read the motor phase currents for closed-loop RPM regulation, and the small 7x7 mm VQFN footprint minimizes ESC board area for tight airframes.
تجویز کردہ
E-Bike and E-Scooter Drivetrains
E-bikes and e-scooters typically run from 24 V to 48 V battery packs, exactly in the DRV8323RSRGZR's sweet spot of 6 V to 60 V VM. The integrated buck regulator powers the LCD display and Bluetooth module, eliminating the auxiliary DC-DC converter, while the integrated current-shunt amplifiers support torque-control algorithms on the traction motor. The SPI bus enables diagnostic data logging for service technicians, and AEC-Q100-grade variants exist for OEM automotive two-wheeler applications. Wide VIN headroom also tolerates regen-braking voltage transients up to the 65 V abs max.
تجویز کردہ
Robotic Vacuum Cleaners
Robotic vacuums use multiple BLDC motors (suction, side brush, wheel drive) running from a 14.4 V to 21.6 V Li-ion pack. The DRV8323RSRGZR's wide VM range covers this pack voltage with margin, and the integrated buck regulator powers the Wi-Fi/BLE SoC and sensor hub from a single rail, reducing BOM cost. The integrated CSAs enable current-limited stall detection - critical when the wheel motor encounters an obstacle - and the low Rds(on) gate-drive minimizes switching losses for the long battery runtime consumers expect.
تجویز کردہ
Industrial Fans, Pumps, and Blowers
Industrial fans and pumps (HVAC, server cooling, process control) commonly run from 24 V or 48 V rails, exactly matching the DRV8323RSRGZR's 6 V to 60 V VM. The integrated current-shunt amplifiers enable sensorless or closed-loop speed control without external op-amps, and the SPI fault register streamlines predictive-maintenance telemetry. The wide -40 °C to +125 °C operating range and PowerPAD thermal pad allow deployment in harsh industrial environments with sustained high-current operation.
تجویز کردہ
White Goods (Washing Machine BLDC Drum Combs)
Modern washing machines use direct-drive BLDC motors for the drum, requiring a robust, integrated gate-driver. The DRV8323RSRGZR operates from the rectified 230 VAC supply (down-converted to ~310 VDC or with active PFC to ~48 VDC) and supports the high peak currents needed during drum acceleration and unbalanced-load spin cycles. The integrated current-shunt amplifiers handle the regenerative braking energy from deceleration, while the SPI bus enables fault logging for warranty diagnostics and the small QFN-48 footprint fits the tight motor-control PCB behind the drum.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا DRV8323RSRGZR — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | DRV8323RSRGZT | DRV8320RSRGZR | DRV8353RSRGZR | DRV8323RHRGZR | DRV8343RSQRGZR |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | VQFN-48 (RGZ) 7x7 mm | VQFN-48 (RGZ) 7x7 mm - same | VQFN-48 (RGZ) 7x7 mm - same | VQFN-48 (RGZ) 7x7 mm - same | VQFN-48 (RGZ) 7x7 mm - same | VQFN-48 (RGZ) 7x7 mm - same |
| Operating VM Range | 6 V to 60 V | 6 V to 60 V | 6 V to 60 V | 9 V to 100 V | 6 V to 60 V | 4.5 V to 60 V |
| Absolute Max VM | 65 V | 65 V | 65 V | 105 V | 65 V | 70 V |
| Integrated Buck Regulator | 0.7 A | 0.7 A | None | 0.6 A | 0.7 A | 0.6 A |
| Integrated CSA Count | 3 | 3 | None | 3 | 3 | 3 |
| Interface | SPI | SPI | SPI | SPI | Hardware pins | SPI |
| Peak Gate Current (Source / Sink) | 1 A / 2 A | 1 A / 2 A | 1 A / 2 A | 1 A / 2 A | 1 A / 2 A | 2 A / 4 A |
| Unit Price @ 1k (USD, as of 2026-10-07) | 4.10 | 4.20 | 3.50 | 5.30 | 3.95 | 5.50 |
اہم امتیازی خصوصیات
- Higher integration (buck + 3 CSAs) than DRV8320 (بمقابلہDRV8320RSRGZR)
- Lower VM ceiling than DRV8353 (بمقابلہDRV8353RSRGZR)
- SPI configurable vs HW pins on DRV8323RH (بمقابلہDRV8323RHRGZR)
ڈیزائن نوٹس
Place the three bootstrap capacitors (CBST) - typically 0.1 µF X7R 25 V ceramics - as close as possible to the BST_X and SH_X pins of the DRV8323RSRGZR, with the ground return on a single-layer ground pour immediately under the chip. The exposed thermal pad (EP, pin 48) MUST be soldered to a 4-layer PCB ground plane with at least 9 thermal vias (0.3 mm drill, 0.5 mm pitch) to meet the datasheet θJA of ~30 °C/W. Per the TI DRV832x datasheet section 11, the VM and VCP capacitors should be 1 µF and 0.1 µF ceramics, again on the same ground pour.
Estimated: at a 48 V to 12 V conversion with the integrated 0.7 A buck regulator delivering 0.5 A to a 5 V LDO and sensors, the DRV8323RSRGZR buck section dissipates approximately (48 V - 5 V) × 0.5 A × (1 / efficiency) ≈ 11.5 W worst case, requiring the thermal pad to be soldered to at least 1 square inch of 2 oz copper on a 4-layer board. To reduce dissipation, lower the buck output to 3.3 V (the lowest LDO output option) so the LDO does not have to drop additional voltage, and use a switching pre-regulator upstream when VIN-VOUT × IOUT exceeds 5 W sustained.
Do not float the MODE/IDRIVE/TDRIVE/DEAD pins - the DRV8323RSRGZR SPI variant uses these pins for hardware configuration, and floating values can put the part in undefined gate-drive states. Always pull CAL low through a 10 kΩ resistor to ground and provide a clean VREF (decoupled with 0.1 µF) for the shunt amplifiers. Also, ensure the BST capacitors are 25 V X7R or X7R325E ceramics rated (not Y5V), as Y5V loses 70% of capacitance at the -40 °C minimum operating temperature.
تعمیل کی معلومات
RoHS and REACH compliant per TI product page. Standard DRV8323RSRGZR is not AEC-Q100 qualified; for automotive-grade see DRV8323RSRTREPGFS-Q1 series suffix.
