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LV8968BBUWR2G: Multi-purpose BLDC Pre-driver, For Automotive

Datasheet: Multi-purpose BLDC Pre-driver, For Automotive
Rev. 3 (327kB)
Product Overview
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The LV8968BB is a 3−phase BLDC/PMSM pre−driver with integrated BEMF (Back ElectroMotive Force) sensing and logic level FET compatibility. The wide operating voltage range and AEC−Q100 qualification make this device ideal for automotive applications. Six gate drivers provide 400 mA (typ) gate current to external power bridges allowing use of low−resistance power FETs as well as logic level FETs. All FETs are protected against overcurrent, short−circuit, over−temperature and gate undervoltage. A multitude of protection and monitoring features make this device suitable for ISO26262 applications. Three independent low−side source pins allow multiple shunt measurement.
The device also includes a programmable linear regulator, a fast current−sense amplifier and a window watchdog for microcontroller support. The SPI interface allows for real time parameter setup and diagnostics. Critical system parameters can be programmed into non−volatile OTP memory.
Junction temperature tolerance up to 175°C and control via wide level WAKE and PWM signals make the LV8968BB an ideal motor pre−driver for automotive applications such as engine cooling fans, fuel, oil, and hydraulic pumps.
Features
 
  • Full Drive Power from 8 V to 28 V Supply Voltage with Transient Tolerance from 4.5 V to 40 V
  • Extended Voltage Range from 6 V to 33 V Using Logic−level Mode
  • Up to 25 kHz Motor PWM with Individual Six Gate Control or Drive−3 Mode with Integrated Programmable Dead−Time
  • 5 V / 3.3 V Linear Regulator for External Loads up to 50 mA
  • Extensive System Protection Features Including:
    ♦ Drain−Source Short Detection for External FET
    ♦ Overcurrent Shutoff
    ♦ Low Gate Voltage Warning
    ♦ Over−temperature Warning and Shutoff
    ♦ Over / Under Voltage Protection
  • SPI Interface for Parameter Setup and Diagnostic Access, Dynamic Access to Dead−Time, Amplifier Gain, and Short Circuit Levels
  • Non−Volatile (OTP) Memory for Storing Critical System Parameters
  • Wide Voltage Enable Line and PWM Interface
  • Integrated Window Watchdog Timer Function
  • AEC−Q100 Qualified and PPAP Capable
  • Thermally Efficient Exposed Die 48 Pin SQFP Package for Transient Operation Up to 175°C
Applications
  • Automotive Fuel, Oil, Water or Hydraulic Pumps
  • Automotive Actuators
  • Automotive HVAC and Cooling Fans
  • Battery Operated Hand Power Tools
  • White Goods
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
LV8968BBGEVB Active
Pb-free
Evaluation board for LV8968B
Availability & Samples
Specifications
Application Diagram
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
LV8968BBUWR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
LV8968BBUWR2G SQFP-48K 131AN 3 260 Tape and Reel 2500 $5.0159
Market Leadtime (weeks) : 2 to 4
Avnet   (2020-08-19 00:00) : >1K
ON Semiconductor   (2020-09-02 00:00) : 10,000

Product
Description
Pricing ($/Unit)
Compliance
Status
Phase
VM Min (V)
VM Max (V)
VCC Min (V)
VCC Max (V)
IO Max (A)
IO Peak Max (A)
Control Type
Package Type
LV8968BBUWR2G  
 $5.0159 
Pb
A
H
P
 Active   
3
6
33
Parallel
SQFP-48K
Case Outlines
131AN   
LV8968BBUWR2G: Multi-purpose BLDC Pre-driver, For Automotive
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