DRV8714SQRHARQ1 - 40V 4-Ch Smart Gate Driver | TI | Automotive
MPN： DRV8714SQRHARQ1 ✓ 啟用中DRV8714SQRHARQ1 概覽
A half-bridge gate driver is a power-management IC that controls the gate charge of external MOSFETs in an H-bridge or half-bridge power stage. It sits between a low-voltage controller (MCU) and the power FETs, translating logic-level PWM signals into gate-drive currents while providing protection, dead-time management, and current feedback. Multi-channel gate drivers such as the DRV871x-Q1 family consolidate driver power supplies, shunt amplifiers, and protection monitors into one IC, replacing dozens of discrete components in a brushed-DC, stepper, or solenoid drive stage.
Key features include a 40-V operating rating suitable for 12-V and 24-V automotive battery systems with load-dump headroom, four independently controllable half-bridges, and smart gate-drive architecture that automatically manages dead time to minimize switching losses and shoot-through. Integrated wide common-mode inline current sense amplifiers eliminate external shunt amplifiers and support accurate motor current feedback for FOC and stall detection.
The DRV871x-Q1 family integrates driver power supplies, current shunt amplifiers, and protection monitors, reducing total system complexity, size, and cost. Per the TI datasheet, the DRV8718-Q1 (8-channel) and DRV8714-Q1 (4-channel) are drop-in pin-to-pin compatible in the 56-pin VQFN (RVJ) package, with half-bridge 1-4 locations shifted on the DRV8714-Q1 to aid PCB routing.
Typical applications include automotive brushed DC motor control for pumps, fans, dampers and actuators, solenoid drivers, seat adjusters, and multi-motor body-electronics modules requiring AEC-Q100-qualified silicon.
Design consideration: verify gate-drive current settings and dead-time register configuration in SPI before first power-up, and place gate-loop layouts short and symmetrical to limit ringing.
This page synthesizes distributor pricing, drop-in alternative data, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DRV8714SQRHARQ1 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DRV8714SQRHARQ1 （相同外形與佔位） — 差異在於 Current Sense Amplifiers, Package.
DRV8718-Q1
✅ 直接替換📋 參考替代品（不在目錄中）
DRV8714SQRHARQ1 最大額定值與電氣特性
| Product Type | Four-channel half-bridge smart gate driver |
| Absolute Maximum Supply Voltage | 40 V (class rating per TI product page) |
| Number of Half-Bridges | 4 |
| 通道數 | 4 half-bridge drivers |
| Current Sense Amplifiers | Integrated inline, wide common-mode |
| Gate Drive Architecture | Smart gate drive with automatic dead-time management |
| Automotive Qualification | AEC-Q100 (Q1 device) |
| 封裝 | 56-Pin VQFN (RVJ) |
| 安裝類型 | Surface Mount |
| Family Compatibility | Drop-in pin-to-pin compatible with DRV8718-Q1 (56-pin VQFN RVJ) |
| RoHS 狀態 | Compliant (per TI product page) |
| Application | Automotive multi-motor / multi-load drive |
DRV8714SQRHARQ1 56-pin vqfn (rvj) 腳位配置指南
DRV8714SQRHARQ1（56-pin vqfn (rvj) 封裝）的腳位配置。 此功率元件具有閘極、汲極與源極端子。對於非極性封裝，請參閱製造商資料表以取得確切的第 1 腳方向與佈局詳細資訊。常見應用包括電源設計、馬達驅動與負載切換。
無詳細腳位定義資料： DRV8714SQRHARQ1.
請參閱 資料表 以查看完整腳位配置。
典型應用
DRV8714SQRHARQ1 適用於 6 應用s: Automotive Brushed DC Motor Control, Stepper Motor Drivers for Actuators, Solenoid and Valve Drivers, Multi-Motor Body Electronics Modules, Automotive Fan and Pump Control, Industrial Multi-Load Drive (Non-Automotive Derivative Use).
Automotive Brushed DC Motor Control
The DRV8714SQRHARQ1 drives up to four brushed DC motors from a single IC, making it ideal for 12-V body-electronics loads such as pumps, HVAC blowers, and wiper systems. Its 40-V class rating absorbs automotive battery transients, while the smart gate-drive architecture automatically manages dead time on external MOSFETs to prevent shoot-through. The integrated wide common-mode inline current sense amplifiers feed real-time motor current to the MCU for stall detection and diagnostics without external amplifier ICs. Because four half-bridges integrate driver supplies and protection monitors in one 56-pin VQFN (RVJ) package, board area and BOM count drop significantly versus discrete driver designs, which is decisive for high-volume automotive modules.
推薦
Stepper Motor Drivers for Actuators
Two of the DRV8714SQRHARQ1's four half-bridges can be paired to drive one bipolar stepper motor, supporting two steppers per IC - ideal for headlamp leveling, throttle plates, and HVAC blend-door actuators. The smart gate drive automatically controls dead time and slew, reducing audible noise and EMI in microstepping applications. Integrated inline current sense amplifiers with wide common-mode range deliver phase-current feedback for accurate microstep current control and stall detection. Operating from an automotive 12-V rail with 40-V transient capability, the device meets AEC-Q100 expectations. The DRV8718-Q1 pin-compatible upgrade doubles capacity to four steppers on the same PCB footprint when module variants need more channels.
推薦
Solenoid and Valve Drivers
Automotive solenoids - transmission shift valves, fuel gates, and brake actuation valves - benefit from the DRV8714SQRHARQ1's per-channel half-bridge control. Half-bridge topology enables active freewheeling and regenerative energy recovery back to the supply, faster solenoid decay than passive clamping, and precise current regulation. The integrated wide common-mode inline current sense amplifiers measure solenoid current even during high-side PWM switching, enabling closed-loop current control that keeps valve force consistent over temperature. The 40-V class rating handles inductive kick transients above the 12-V rail, and AEC-Q100 qualification supports under-hood and chassis deployments. Automatic dead-time management in the smart gate-drive engine simplifies firmware and reduces EMI.
推薦
Multi-Motor Body Electronics Modules
Central body control and zonal modules drive many small motors - door locks, mirror adjusters, seat actuators, and dampers - from one controller. The DRV8714SQRHARQ1 integrates four half-bridges, driver power supplies, current shunt amplifiers, and protection monitors, reducing total system complexity, size, and cost versus four discrete single-channel drivers. The pin-to-pin compatibility with the DRV8718-Q1 lets one PCB serve base (4-channel) and premium (8-channel) variants, a platform strategy TI explicitly supports by shifting half-bridge 1-4 pin locations to aid routing. Integrated diagnostics report per-channel fault status to the MCU, supporting the functional-safety documentation flow required in automotive module development.
推薦
Automotive Fan and Pump Control
Cooling fans, coolant pumps, and washer pumps demand robust, diagnosable half-bridge drive. The DRV8714SQRHARQ1's smart gate drive adjusts MOSFET switching behavior while automatically managing dead time, limiting switching losses in continuous PWM operation typical of pump control. Its wide common-mode inline current sense amplifiers detect blocked-rotor and overcurrent conditions in real time, enabling protective firmware responses before MOSFETs exceed safe operating limits. The 40-V class rating tolerates load-dump style transients on 12-V rails. Multiple pumps or a fan plus pump can share one DRV8714-Q1, and AEC-Q100 qualification plus the Q1 suffix confirm the device is built and screened for automotive deployment environments.
推薦
Industrial Multi-Load Drive (Non-Automotive Derivative Use)
Although AEC-Q100 qualified for automotive, the DRV8714SQRHARQ1's 40-V rating and four integrated half-bridges also suit industrial 24-V applications: factory actuators, valve manifolds, robotics end-effectors, and test fixtures. The integrated wide common-mode inline current sense amplifiers provide current telemetry for predictive-maintenance firmware, and the SPI-programmable smart gate drive lets engineers tune slew rates to balance EMI against switching loss per load. Consolidating four bridges, driver supplies, and protection monitors in one 56-pin VQFN (RVJ) package shrinks control boards and reduces assembly cost. Designers should confirm the exact operating voltage window and register map in the TI datasheet before reuse in industrial profiles.
推薦
推薦產品摘要
工程參考資料，適用於 DRV8714SQRHARQ1 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DRV8718-Q1 |
|---|---|---|
| Package | 56-Pin VQFN (RVJ) | 56-Pin VQFN (RVJ) - same |
| Brand | Texas Instruments | Texas Instruments |
| Half-Bridge Channels | 4 | 8 |
| Voltage Class | 40 V | 40 V |
| Inline Current Sense Amplifiers | Yes (wide common-mode) | Yes (wide common-mode) |
| Dead-Time Management | Automatic (smart gate drive) | Automatic (smart gate drive) |
| Automotive Qualification | AEC-Q100 (Q1) | AEC-Q100 (Q1) |
| Pin-to-Pin Compatible | N/A (reference) | Yes - drop-in per TI datasheet |
主要差異化特點
- Four half-bridges plus inline current sense in one IC (對比DRV8718-Q1)
- Routing-optimized pinout (對比DRV8718-Q1)
- Automotive platform scalability (對比DRV8718-Q1)
設計說明
Leverage the DRV8714-Q1's routing-friendly half-bridge placement: per the TI DRV871x-Q1 datasheet, the locations of half-bridges 1-4 are shifted relative to the DRV8718-Q1 specifically to help PCB routing. Keep gate loops as short and symmetrical as possible between GHx/GLx pins and the external MOSFETs, and route inline current-sense amplifier inputs as Kelvin connections directly at the shunt to preserve accuracy. Use a solid ground plane under the VQFN (RVJ) thermal area with multiple via stitching for heat spreading.
Do not assume distributor headlines reflect the true pin count - some listings render '40-VQFN (6x6)' where '40' is the 40-V voltage class, not a 40-pin package; the TI datasheet specifies the 56-pin VQFN (RVJ). Also remember that if you substitute the pin-compatible DRV8718-Q1, half-bridge 1-4 pin locations are shifted between the two devices despite drop-in compatibility, so verify channel mapping in firmware and board netlist before production.
The 40-V class rating gives headroom for automotive 12-V and 24-V battery transients, but the exact datasheet operating voltage range was not captured in our data extract - consult the TI DRV8714-Q1 datasheet electrical tables before finalizing the power tree. Size external MOSFETs so that load-dump and inductive kick events stay within both the driver's rating and the FET SOA, and clamp or suppress solenoid/flyback energy with the half-bridge's active freewheeling path where possible.
合規資訊
Q1 suffix and TI product page indicate AEC-Q100 automotive qualification; RoHS compliance indicated by TI product listing. REACH/halogen-free/conflict-minerals declarations should be pulled from TI's official compliance certificates.
