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A89503KLPTR-5 PDF预览

A89503KLPTR-5

更新时间: 2024-10-28 20:06:27
品牌 Logo 应用领域
急速微 - ALLEGRO /
页数 文件大小 规格书
45页 2739K
描述
Motion Control Electronic,

A89503KLPTR-5 技术参数

生命周期:ActiveReach Compliance Code:compliant
Base Number Matches:1

A89503KLPTR-5 数据手册

 浏览型号A89503KLPTR-5的Datasheet PDF文件第2页浏览型号A89503KLPTR-5的Datasheet PDF文件第3页浏览型号A89503KLPTR-5的Datasheet PDF文件第4页浏览型号A89503KLPTR-5的Datasheet PDF文件第5页浏览型号A89503KLPTR-5的Datasheet PDF文件第6页浏览型号A89503KLPTR-5的Datasheet PDF文件第7页 
A89503  
80 V Automotive Half-Bridge MOSFET Driver  
FEATURES AND BENEFITS  
DESCRIPTION  
TheA89503isanN-channelpowerMOSFETdrivercapableof  
controllingMOSFETsconnectedinahalf-bridgearrangement  
and is specifically designed for automotive applications with  
high-power inductive loads, such as brush DC motors, BLDC  
motors, VR/SR motors, solenoids, and actuators.  
• Half-bridge MOSFET driver  
• Bootstrap gate drive for N-channel MOSFET bridge  
• Independent control of high-side and low-side gate drives  
with cross-conduction capability  
• Charge pump regulator for low supply voltage operation  
• 5.5 to 80 V supply voltage operating range  
• Integrated logic I/O supply  
• SPI-compatible serial interface  
• Bridge control by direct logic inputs or serial interface  
• Programmable gate drive  
Auniquechargepumpregulatorprovidesfullgatedriveoverthe  
fullsupplyvoltagerangefrom5.5to80Vformostapplications.  
A bootstrap capacitor is used to provide the above-battery  
supply voltage required for N-channel MOSFETs.  
EachMOSFETcanbe independentlycontrolledbylogic-level  
inputs or through the SPI-compatible serial interface. Fully  
independent control allows both external FETs to be turned  
on at the same time.  
• Current sense amplifier  
• Programmable diagnostics  
• A2SIL™ product—device features for  
2
-
safety-critical systems  
Integrated diagnostics provide indication of multiple internal  
faults, system faults, and power bridge faults, and can be  
configured to protect the power MOSFETs under most short  
circuit conditions.  
In addition to providing full access to the bridge control, the  
serialinterfaceisalsousedtoalterprogrammablesettingssuch  
as VDS threshold and fault blank time. Detailed diagnostic  
information can be read through the serial interface.  
PACKAGE:  
24-lead TSSOP with  
exposed pad (suffix LP)  
TheA89503wasdevelopedinaccordancewithISO26262:2011  
asahardwaresafetyelementoutofcontextwithASILBcapability  
(pending assessment) for use in automotive safety-related  
systems when integrated and used in the manner prescribed in  
the applicable safety application note and datasheet.  
The A89503 is supplied in a 24-lead eTSSOP (suffix LP).  
This package is lead (Pb) free, with 100% matte-tin leadframe  
plating (suffix –T).  
Not to scale  
VBAT  
VBAT  
Control  
Control  
Load  
Load  
A89503  
A89503  
DSP  
or  
DSP  
or  
µC  
µC  
Diagnostics  
Diagnostics  
Current Sense  
Current Sense  
Figure 1: Typical Applications  
A89503-DS  
March 23, 2020  
MCO-0000797  

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