DRV8718-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, TA
- Multi-channel half-bridge gate drivers
- Pin to pin 4 and 8 half-bridge driver variants
- 4.9V to 37V (40V abs. max) operating range
- 4 PWM inputs with output mapping
- Tripler charge pump for 100% PWM
- Half-bridge, H-bridge, and SPI control modes
- Smart multi-stage gate drive architecture
- Adjustable slew rate control
- Adaptive propagation delay control
- 50µA to 62mA peak source current output
- 50µA to 62mA peak sink current output
- Integrated dead-time handshaking
- 2x wide common mode current shunt amplifiers
- Supports inline, high-side, or low-side
- Adjustable gain settings (10, 20, 40, 80V/V)
- Multiple interface options available
- SPI: Detailed configuration and diagnostics
- H/W: Simplified control and less MCU pins
- Compact VQFN packages with wettable flanks
- Integrated protection features
- Dedicated driver disable pin (DRVOFF)
- Low IQ, sleep mode motor braking (BRAKE)
- Supply and regulator voltage monitors
- MOSFET VDS overcurrent monitors
- MOSFET VGS gate fault monitors
- Charge pump for reverse polarity MOSFET
- Offline open load and short circuit diagnostics
- Device thermal warning and shutdown
- Window watchdog timer
- Fault condition interrupt pin (nFAULT)
The DRV871x-Q1 family of devices are highly integrated, multi-channel gate drivers intended for driving multiple motors or loads. The devices integrate either 4 (DRV8714-Q1) or 8 (DRV8718-Q1) half-bridge gate drivers, driver power supplies, current shunt amplifiers, and protection monitors reducing total system complexity, size, and cost.
A smart gate drive architecture manages dead time to prevent shoot-through, controls slew rate to decrease electromagnetic interference (EMI), and optimizes propagation delay for enhanced performance.
Input modes are provided for independent half-bridge or H-bridge control. Four PWM inputs can be multiplexed between the different drivers in combination with SPI control.
Wide common mode shunt amplifiers provide inline current sensing to continuously measure motor current even during recirculating windows. The amplifier can be used in low-side or high-side sense configurations if inline sensing is not required.
The devices provide an array of protection features to promote robust system operation. These include under and overvoltage monitors, VDS overcurrent and VGS gate fault monitors for the external MOSFETs, offline open load and short circuit diagnostics, and internal thermal warning and shutdown protection.
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DRV8718S-Q1EVM — 車用多通道智慧型半橋閘極驅動器評估模組
DRV8718S-Q1 評估模組 (EVM) 可輕鬆評估 DRV8718S-Q1 裝置。
DRV8718S-Q1 是具有內嵌電流感測和離線診斷功能的 8 通道閘極驅動器。DRV8718S-Q1 裝置可由 4.9 至 37 V 供應電壓供電。智慧型閘極驅動器架構可將失效時間最佳化以防止擊穿情況，並控制電壓轉換速率。可結合 SPI 控制，在不同驅動器間多工處理四個 PWM 輸入。電流感測放大器可用於低壓側或高壓側感測配置。提供簡單的 SPI 和硬體介面。
如需有關此評估模組的詳細資訊，請參閱 DRV8718S-Q1EVM 使用指南。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RVJ) | 56 | Ultra Librarian |
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建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。