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有刷 DC (BDC) 馬達驅動器

DRV8873-Q1

現行

Automotive, current sensing 40V, 10A H-bridge motor driver with integrated current feedback

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產品規格表

DRV8873-Q1

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) 4.5 Vs ABS (max) (V) 40 Peak output current (A) 10 RDS(ON) (HS + LS) (mΩ) 150 Sleep current (µA) 15 Control mode Independent 1/2-Bridge, PH/EN, PWM Control interface Hardware (GPIO), SPI Features Current sense Amplifier, Integrated Current Sensing, Open-Load Detection Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125
Number of full bridges 1 Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Peak output current (A) 10 RDS(ON) (HS + LS) (mΩ) 150 Sleep current (µA) 15 Control mode Independent 1/2-Bridge, PH/EN, PWM Control interface Hardware (GPIO), SPI Features Current sense Amplifier, Integrated Current Sensing, Open-Load Detection Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C, TA
  • N-channel H-bridge motor driver
    • Drives one bidirectional brushed DC motor
    • Two unidirectional brushed DC motors
    • Solenoids or other resistive and inductive loads
  • 4.5-V to 38-V Operating voltage range
  • 10-A Peak current drive
  • Low HS + LS RDS(ON)
    • 150 mΩ at TJ = 25°C, 13.5 V
    • 250 mΩ at TJ = 150°C, 13.5 V
  • Integrated current sensing
  • Proportional current output (IPROPI)
  • Configurable control interface
    • PH/EN
    • PWM (IN1/IN2)
    • Independent half-bridge control
  • Supports 1.8-V, 3.3-V, 5-V logic inputs
  • SPI or hardware interface options
  • Small package and footprint
    • 24 HTSSOP PowerPAD™ IC package
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Output short to battery and short to ground protection
    • Open load detection
    • Thermal shutdown (TSD)
    • Fault condition output (nFAULT / SPI)
  • Spread spectrum clocking for low electromagnetic interference (EMI)
  • Functional Safety-Capable
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C, TA
  • N-channel H-bridge motor driver
    • Drives one bidirectional brushed DC motor
    • Two unidirectional brushed DC motors
    • Solenoids or other resistive and inductive loads
  • 4.5-V to 38-V Operating voltage range
  • 10-A Peak current drive
  • Low HS + LS RDS(ON)
    • 150 mΩ at TJ = 25°C, 13.5 V
    • 250 mΩ at TJ = 150°C, 13.5 V
  • Integrated current sensing
  • Proportional current output (IPROPI)
  • Configurable control interface
    • PH/EN
    • PWM (IN1/IN2)
    • Independent half-bridge control
  • Supports 1.8-V, 3.3-V, 5-V logic inputs
  • SPI or hardware interface options
  • Small package and footprint
    • 24 HTSSOP PowerPAD™ IC package
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Output short to battery and short to ground protection
    • Open load detection
    • Thermal shutdown (TSD)
    • Fault condition output (nFAULT / SPI)
  • Spread spectrum clocking for low electromagnetic interference (EMI)
  • Functional Safety-Capable

The DRV8873-Q1 device is an integrated driver IC for driving a brushed DC motor in automotive applications. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that drive motors bi-directionally with up to 10-A peak current. The device operates from a single power supply and supports a wide input supply range from 4.5 V to 38 V.

A PH/EN or PWM interface allows simple interfacing to controller circuits. Alternatively, independent half-bridge control is available to drive two solenoid loads.

Integrated current sensing provides an output current proportional to the motor load current of both hide-side FETs without the need for high-power sense resistors. This can be used to detect motor stall or change in load conditions.

A low-power sleep mode is provided to achieve very-low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump faults, overcurrent protection, short-circuit protection, open-load detection, and overtemperature. Fault conditions are indicated on an nFAULT pin and through the SPI registers.

The DRV8873-Q1 device is an integrated driver IC for driving a brushed DC motor in automotive applications. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that drive motors bi-directionally with up to 10-A peak current. The device operates from a single power supply and supports a wide input supply range from 4.5 V to 38 V.

A PH/EN or PWM interface allows simple interfacing to controller circuits. Alternatively, independent half-bridge control is available to drive two solenoid loads.

Integrated current sensing provides an output current proportional to the motor load current of both hide-side FETs without the need for high-power sense resistors. This can be used to detect motor stall or change in load conditions.

A low-power sleep mode is provided to achieve very-low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump faults, overcurrent protection, short-circuit protection, open-load detection, and overtemperature. Fault conditions are indicated on an nFAULT pin and through the SPI registers.
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類型 標題 日期
* Data sheet DRV8873-Q1 Automotive H-Bridge Motor Driver datasheet (Rev. B) PDF | HTML 2020年 12月 16日
Application brief Advantages of Integrated Current Sensing (Rev. B) PDF | HTML 2022年 6月 20日
Application note Using DRV to Drive Solenoids (Rev. A) PDF | HTML 2022年 4月 24日
Application brief Open Load Detection in Integrated Drivers (Rev. C) PDF | HTML 2022年 3月 31日
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 2021年 10月 14日
More literature TI Motor Drives Automotive Body Motors Webinar 2021年 7月 2日
Application note Daisy Chain Implementation for Serial Peripheral Interface (Rev. A) 2021年 4月 7日
Technical article How analog integration simplifies automotive body motor controller designs PDF | HTML 2020年 10月 23日
Technical article How to efficiently drive 12-V and 24-V engine loads in automotive systems PDF | HTML 2020年 7月 9日
Functional safety information DRV8873-Q1 Functional Safety FIT, FMD & PinFMA PDF | HTML 2020年 5月 27日
Application note Protecting Automotive Motor Drive Systems from Reverse Polarity Conditions (Rev. A) 2019年 2月 19日
User guide DRV8873x-Q1EVM GUI User's Guide (Rev. B) 2018年 12月 10日
User guide DRV8873x-Q1EVM User’s Guide (Rev. B) 2018年 12月 10日
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) 2018年 7月 6日
Application brief PowerPAD™ Made Easy (Rev. B) 2004年 5月 12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

DRV8873H-Q1EVM — 具有硬體介面和整合電流感測功能的車用 10A 全橋馬達驅動器 EVM

The DRV8873 is an integrated driver for industrial and automotive applications. With 10 A peak current capability and 4.5-38V voltage range, this device supports a wide range of applications.

PH/EN or PWM interface allows simple interfacing to controller circuits while also allowing independent (...)

使用指南: PDF
TI.com 無法提供
開發板

DRV8873S-Q1EVM — 具有 SPI 介面和整合電流感測功能的車用 10A 全橋馬達驅動器 EVM

The DRV8873 is an integrated driver for industrial and automotive applications. With 10 A peak current capability and 4.5-38V voltage range, this device supports a wide range of applications. PH/EN or PWM interface allows simple interfacing to controller circuits while also allowing independent (...)
使用指南: PDF
TI.com 無法提供
模擬型號

DRV8876-Q1 PSpice Transient Simulation (Rev. A)

SLVMCQ2A.ZIP (113 KB) - PSpice Model
下載
參考設計

TIDA-020027 — 車用全功能側視鏡模組參考設計

The modern luxury side mirror includes many convenient features that allow for a better and safer experience for the driver beyond simple X-Y directional control of the mirror. This includes automatically dimming mirrors for glare reduction; mirror assembly folding to prevent damage in tight (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-020008 — 車用電動座椅參考設計

This reference design provides the drive and control circuits for motor-driven applications such as automotive power seats, using both bi-directional and unidirectional motor drives. It demonstrates how to drive brushed DC motors with a small board footprint, a high degree of robustness and full (...)
Design guide: PDF
電路圖: PDF
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