首頁 馬達驅動器 有刷 DC (BDC) 馬達驅動器
首頁
馬達驅動器
有刷 DC (BDC) 馬達驅動器

DRV8850

現行

具有 LDO 與電流回饋的 7-V、8-A 全橋馬達驅動器

立即訂購
產品規格表

DRV8850

現行
產品規格表 立即訂購

產品詳細資料

Number of full bridges 1 Vs (min) (V) 2 Vs ABS (max) (V) 7 Peak output current (A) 9.5 RDS(ON) (HS + LS) (mΩ) 65 Sleep current (µA) 1 Control mode Independent 1/2-Bridge, PWM Control interface Hardware (GPIO) Features Current sense Amplifier, Voltage Regulator Rating Catalog Operating temperature range (°C) -40 to 85
Number of full bridges 1 Vs (min) (V) 2 Vs ABS (max) (V) 7 Peak output current (A) 9.5 RDS(ON) (HS + LS) (mΩ) 65 Sleep current (µA) 1 Control mode Independent 1/2-Bridge, PWM Control interface Hardware (GPIO) Features Current sense Amplifier, Voltage Regulator Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RGY) 24 19.25 mm² 5.5 x 3.5
  • H-Bridge Motor Driver
    • Drives a DC Motor, One Winding of a Stepper Motor, or Other Loads
    • Low MOSFET On-Resistance: 65 mΩ HS + LS at 4.2V, 25°C
  • 5-A Continuous 8-A Peak-Drive Current
  • Internal Current Sensing With Current Sense Output
  • 2 to 5.5-V Operating Supply Voltage Range
  • Overvoltage and Undervoltage Lockout
  • Low-Power Sleep Mode
  • 100-mA Isolated Low-Dropout (LDO) Voltage Regulator
  • 24-Pin VQFN Package
  • H-Bridge Motor Driver
    • Drives a DC Motor, One Winding of a Stepper Motor, or Other Loads
    • Low MOSFET On-Resistance: 65 mΩ HS + LS at 4.2V, 25°C
  • 5-A Continuous 8-A Peak-Drive Current
  • Internal Current Sensing With Current Sense Output
  • 2 to 5.5-V Operating Supply Voltage Range
  • Overvoltage and Undervoltage Lockout
  • Low-Power Sleep Mode
  • 100-mA Isolated Low-Dropout (LDO) Voltage Regulator
  • 24-Pin VQFN Package

The DRV8850 device provides a motor driver plus LDO voltage regulator solution for consumer products, toys, and other low-voltage or battery-powered motion-control applications. The device has one H-bridge driver to drive a DC motor, a voice-coil actuator, one winding of a stepper motor, a solenoid, or other devices. The output driver block consists of N-channel power MOSFETs configured as an H-bridge to drive the load. An internal charge pump generates the needed gate-drive voltages.

The DRV8850 device supplies up to 5 A of continuous output current (with proper PCB heat sinking) and up to 8-A peak current. It operates on a supply voltage from 2 V to 5.5 V.

A low-dropout linear voltage regulator is integrated with the motor driver to supply power to microcontrollers or other circuits. The LDO voltage regulator can be active in device sleep mode, so that the driver may be shut down without removing power to any devices powered by the LDO voltage regulator.

Internal shutdown functions provide overcurrent, short circuit, undervoltage, overvoltage, and
overtemperature protection. In addition, the device also has built-in current sensing for accurate current measurement.

The DRV8850 device is packaged in a 24-pin VQFN
(3.5-mm × 5.5-mm) package (Eco-friendly: RoHS and no Sb/Br).

The DRV8850 device provides a motor driver plus LDO voltage regulator solution for consumer products, toys, and other low-voltage or battery-powered motion-control applications. The device has one H-bridge driver to drive a DC motor, a voice-coil actuator, one winding of a stepper motor, a solenoid, or other devices. The output driver block consists of N-channel power MOSFETs configured as an H-bridge to drive the load. An internal charge pump generates the needed gate-drive voltages.

The DRV8850 device supplies up to 5 A of continuous output current (with proper PCB heat sinking) and up to 8-A peak current. It operates on a supply voltage from 2 V to 5.5 V.

A low-dropout linear voltage regulator is integrated with the motor driver to supply power to microcontrollers or other circuits. The LDO voltage regulator can be active in device sleep mode, so that the driver may be shut down without removing power to any devices powered by the LDO voltage regulator.

Internal shutdown functions provide overcurrent, short circuit, undervoltage, overvoltage, and
overtemperature protection. In addition, the device also has built-in current sensing for accurate current measurement.

The DRV8850 device is packaged in a 24-pin VQFN
(3.5-mm × 5.5-mm) package (Eco-friendly: RoHS and no Sb/Br).
filter 尋找其它 有刷 DC (BDC) 馬達驅動器
下載 觀看有字幕稿的影片 影片

您可能會感興趣的類似產品

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
DRV8213 現行 具整合式電流感測、電流調節和熄火偵測功能的 11-V 4-A 有刷 DC 馬達驅動器 Wider voltage support, higher on resistance, higher max current, lower sleep current, autosleep mode with PWM interface
DRV8214 現行 具無感測器熄火偵測、漣波計數和 I²C 介面的 11-V 4-A 全橋馬達驅動器 Wider input voltage range, higher current support, lower sleep current, auto sleep, integrated current sense, PWM Interface and ripple counting

技術文件

star =TI 所選的此產品重要文件
找不到結果。請清除您的搜尋條件，然後再試一次。
檢視所有 3
類型 標題 日期
* Data sheet DRV8850 Low-Voltage H-Bridge IC With LDO Voltage Regulator datasheet (Rev. D) PDF | HTML 2019年 10月 8日
Application brief Advantages of Integrated Current Sensing (Rev. B) PDF | HTML 2022年 6月 20日
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 2021年 10月 14日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

DRV8850EVM — DRV8850EVM - 具有 LDO 穩壓器的低壓全橋馬達驅動器評估模組

The DRV8850 device provides a motor driver plus LDO voltage regulator solution for applications requiring a high start-up torque with superior thermal performance in mind. The device has one H-bridge driver to drive a DC motor, a voice-coil actuator, one winding of a stepper motor or other types of (...)

使用指南: PDF
TI.com 無法提供
參考設計

TIDA-01162 — 整合式與離散式低電壓馬達驅動比較參考設計

TIDA-01162 demonstrates the key differences between an integrated vs. discrete low-voltage motor drive solution. The discrete solution is implemented using two large external MOSFETs, while the integrated solution utilizes TI’s DRV8850 brushed DC motor driver.  Both designs are (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00602 — 電動牙刷控制器參考設計

This reference design uses our low-voltage H-Bridge motor driver with an integrated low dropout (LDO) voltage regulator and an ultra-low-power microcontroller (MCU) to demonstrate a full implementation of a battery-powered electric toothbrush.
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00616 — 適用於有刷 DC 馬達控制的能源採集 LaunchPad BoosterPack 參考設計

適用有刷 DC 馬達控制的能源採集 LaunchPad 專為以太陽能為鋰離子或鋰聚合物電池充電而設計，且隨後可使用電壓穩壓器為 TI LaunchPad 和任何連接至 LaunchPad 的週邊設備提供二次系統電源。BoosterPack 專為低功率與自動化應用而設計，其使用板載奈米定時器與雙 H 橋馬達驅動器，且前述馬達驅動器具有極低 45mΩ Rds(on) 的整合式 MOSFET。
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
VQFN (RGY) 24 Ultra Librarian
適用 TI 的評估品項標準條款與條件。

訂購與品質

內含資訊：
  • 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
  • 進行中持續性的可靠性監測
內含資訊：
  • 晶圓廠位置
  • 組裝地點

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。

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

以英文檢視所有論壇主題

內容係由 TI 和社群貢獻者依「現狀」提供，且不構成 TI 規範。檢視使用條款。

若有關於品質、封裝或訂購 TI 產品的問題，請參閱 TI 支援。​​​​​​​​​​​​​​

影片