ROHM Product Detail

BD67871MWV-Z (新產品)
TriC3™ 4.5 V to 60 V, Three-phase Brushless DC Motor Gate Driver

BD67871MWV-Z is mounted an Innovative Active Gate Drive (TriC3™) which suppresses EMI and reduces heat generation of MOSFET power devices in motor drive systems. TriC3™ achieves these functions by monitoring various voltages around the MOSFET power device and using this voltages information to intelligently control the gate drive current of the MOSFET power device. It is a gate driver IC designed for three-phase brushless DC motor applications. It can drive three half-bridges consisting of six N-Channel power MOSFETs up to 60 V. It has synchronous rectification function during bootstrap capacitor charging for efficiency. Despite the TriC3™ being a type of constant-current drive, it enables 100 % PWM Duty Cycle and high-impedance by trickle charge pumping.

Data Sheet 購買 *
* 本產品是標準級的產品。
本產品不建議使用的車載設備。

Product Detail

 
料號 | BD67871MWV-ZE2
狀態 | 推薦品
封裝 | UQFN28AV040A
包裝形式 | Taping
單位數量 | 2500
最小包裝數量 | 2500
RoHS | Yes

規格:

Vcc (Max.)[V]

65

Power Supply Voltage (Max.) [V]

60

Power Supply Voltage (Min.) [V]

4.5

Iout (Max.)[A]

0.5

External FET

N+N

Speed Control Input

PWM

For Fan Motor

-

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size [mm]

4.0x4.0 (t=1.0)

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功能:

  • Innovation Active Gate Drive (TriC3™)
    Multi Level Gate Drive Current Control
    Real Time Gate Current Control Based on Information Sensed from the Output State
    Dead Time Adjustment Control
  • 60 V Three-phase Brushless DC Motor Gate Driver
    Wide 4.5 V to 60 V Input Voltage Range
  • Bootstrap based Gate Driver Architecture
    Synchronous Rectification Function during Bootstrap Capacitor Charging
    Bootstrap Gate Driver with Current Source Circuit for 100 % Duty Cycle Operation and High-impedance (Hi-Z) State
  • Super Low IVCCQ (< 1 μA at Sleep Mode)
  • Supports 3.3 V, and 5 V Logic Inputs
  • Supports Negative Transients up to -5 V on *_SH
  • Supports IN/IN, and EN/IN Mode by UART
  • Compact QFN Packages and Footprints
  • UART Communication Protocol
  • TriC3™ Base Current can be selected as External Resistor or Internal Constant Current
  • Gate Driver Power Supply (VREG) has LDO and Charge Pump Functions
  • SHUNT pin allows Current Detection with External Resistors
  • Integrated Protection Features
    VCC UVLO Protection
    Bootstrap (V*_BST-*_SH ) UVLO Protection
    VREG UVLO Protection
    Thermal Shutdown
    Fault Condition Indicator (xFAULT)

參考設計 / 應用評估套件

 
    • Evaluation Board - BD67871MWV-EVK-003
    • This board covers our few types of gate driver line up.

  • User's Guide
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