計算ツール
BLDC-MOSFET-THERMAL-CALC — BLDC integrated MOSFET driver thermal calculator tool
Calculates the thermals of a BLDC integrated MOSFET driver based on user input system parameters
DRV8376-Q1
- Three-phase BLDC motor driver
- Supports 48V systems
- Supports up to 100kHz PWM frequency
- Active Demagnetization to reduce power losses
- Cycle-by-cycle current limit to limit phase current
- 4.5V to 65V operating voltage (70V abs max)
- High output current capability: 4.5A Peak
- Low MOSFET on-state resistance
- 400mΩ RDS(ON) (HS + LS) at TA = 25°C
- Reduced switching loss with 1.1V/ns slew rate and reverse recovery loss minimization technique
- Adjustable slew rate options
- Low audible noise and ease of motor control with ultra-low dead time < 200ns, and propagation delay < 100ns
- Low-power sleep mode
- 1.5µA typical at VVM = 24V, TA = 25°C
- Multiple control interface options
- 6x PWM control interface
- 3x PWM control interface
- Does not require external current sense resistors, built-in current sensing
- Flexible device configuration options
- DRV8376S: 5MHz 16-bit SPI for device configuration and fault status
- DRV8376H: Hardware pin-based configuration
- Supports 1.8V, 3.3V, and 5V logic inputs
- Built-in 3.3V (5%), 30mA LDO regulator
- Built-in 5V (5%), 30mA LDO regulator
- Integrated protection features
- Supply under voltage lockout (UVLO)
- Charge pump under voltage (CPUV)
- Overcurrent protection (OCP)
- Thermal warning and shutdown (OTW/OTSD)
- Fault condition indication pin (nFAULT)
- Optional fault diagnostics over SPI
The DRV8376-Q1 provides a gate drive and power stage for driving a 4.5V to 65V brushless-DC motors. The DRV8376 integrates three 1/2-H bridges with 70V absolute maximum capability and a very low RDS(ON) of 400mΩ (high-side plus low-side) to enable high-power drive capability. Current is sensed using an integrated current sensing feature eliminating the need for external sense resistors. Power management features with integrated LDO generate the necessary voltage rails for the device and can be used to power external circuits.
DRV8376-Q1 implements a 6x or 3x PWM control scheme which can be used to implement sensored or sensorless field-oriented control (FOC), sinusoidal control, or trapezoid control using an external microcontroller. The DRV8376 is capable of driving a PWM frequency up to 100kHz. The control scheme is highly configurable through hardware pins or register settings ranging from motor current limiting behavior to fault response.
There are a large number of protection features integrated into DRV8376-Q1, intended to protect the device, motor, and system against fault events.
技術資料
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1 をすべて表示 | 種類 | タイトル | 最新の英語版をダウンロード | 日付 | |||
|---|---|---|---|---|---|---|
| * | データシート | DRV8376-Q1 Three-Phase Integrated FET Motor Driver データシート | PDF | HTML | 2025年 5月 13日 |
設計および開発
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評価ボード
DRV8376EVM — DRV8376 の評価基板
The DRV8376EVM is an integrated driver IC evaluation module for three-phase motor driver applications and provides single-chip power stage design for customers driving 4.5V to 65V brushless DC motors. Along with the hardware of the DRV8376, the TMS320F280049C microcontroller-based board has (...)
| パッケージ | ピン数 | CAD シンボル、フットプリント、および 3D モデル |
|---|---|---|
| VQFN (NLG) | 28 | Ultra Librarian |
購入と品質
記載されている情報：
- RoHS
- REACH
- デバイスのマーキング
- リード端子の仕上げ / ボールの原材料
- MSL 定格 / ピーク リフロー
- MTBF/FIT 推定値
- 使用原材料
- 認定試験結果
- 継続的な信頼性モニタ試験結果
記載されている情報：
- ファブの拠点
- 組み立てを実施した拠点