DRV8305
- 4.4-V to 45-V Operating Voltage
- 1.25-A and 1-A Peak Gate Drive Currents
- Programmable High- and Low-Side Slew-Rate Control
- Charge-Pump Gate Driver for 100% Duty Cycle
- Three Integrated Current-Shunt Amplifiers
- Integrated 50-mA LDO (3.3-V and 5-V Option)
- 3-PWM or 6-PWM Input Control up to 200 kHz
- Single PWM-Mode Commutation Capability
- Supports Both 3.3-V and 5-V Digital Interface
- Serial Peripheral Interface (SPI) for Device Settings and Fault Reporting
- Thermally-Enhanced 48-Pin HTQFP
- Protection Features:
- Fault Diagnostics and MCU Watchdog
- Programmable Dead-Time Control
- MOSFET Shoot-Through Prevention
- MOSFET VDS Overcurrent Monitors
- Gate-Driver Fault Detection
- Reverse Battery-Protection Support
- Limp Home-Mode Support
- Overtemperature Warning and Shutdown
The DRV8305 device is a gate driver IC for three-phase motor-drive applications. The device provides three high-accuracy and temperature compensated half-bridge drivers, each capable of driving a high-side and low-side N-channel MOSFET. A charge pump driver supports 100% duty cycle and low-voltage operation. The device can tolerate load dump voltages up to 45-V.
The DRV8305 device includes three bidirectional current-shunt amplifiers for accurate low-side current measurements that support variable gain settings and an adjustable offset reference.
The DRV8305 device has an integrated voltage regulator (3.3-V or 5-V) to support an MCU or other system power requirements. The voltage regulator can be interfaced directly with a standard LIN physical interface to allow low system standby and sleep currents.
The gate driver uses automatic handshaking when switching to prevent current shoot through. The VDS of both the high-side and low-side MOSFETs is accurately sensed to protect the external MOSFETs from overcurrent conditions. The SPI provides detailed fault reporting, diagnostics, and device configurations such as gain options for the current shunt amplifier, individual MOSFET overcurrent detection, and gate-drive slew-rate control.
Device Options: DRV8305N: Voltage reference DRV83053: 3.3-V, 50-mA LDO DRV83055: 5-V, 50-mA LDO
技術文件
設計與開發
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BOOSTXL-DRV8305EVM — DRV8305N 3 相馬達驅動器 BoosterPack 評估模組
BOOSTXL-DRV8305EVM 是以 DRV8305 馬達閘極驅動器與 CSD18540Q5B NexFET™ 功率 MOSFET 為基礎的 15A 3 相無刷 DC 驅動級。該模組具備個別的 DC 匯流排與相電壓感測,以及適用於無感測器 BLDC 演算法的個別低側電流分流感測。該模組透過 LMR16006 0.6A 降壓穩壓器提供 MCU 3.3V 電源。驅動級具備全面保護,包含短路、過熱、直通與欠壓保護,且可透過 SPI 介面輕鬆設定。
此模組是使用 DRV8305 進行評估與快速開發的理想選擇。專為與相容的 XL LaunchPad 搭配運作而設計。BoosterPack (...)
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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HTQFP (PHP) | 48 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中的可靠性監測
- 晶圓廠位置
- 組裝地點