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VNF1048FTR PDF预览

VNF1048FTR

更新时间： 2024-10-30 14:57:35
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 开关控制器
页数 文件大小 规格书
49页 3940K
描述
高侧开关控制器（带智能熔断保护），适用于12 V、 24 V、以及48 V汽车应用

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中文翻译

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VNF1048FTR 数据手册

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VNF1048F  
Datasheet  
High-side switch controller with intelligent fuse protection for 12 V, 24 V and 48 V  
automotive applications  
Features  
Maximum transient supply voltage  
Operating voltage range  
VS  
VS  
70 V  
6 V to 60 V  
6 V to 70 V  
70 µA  
Operating voltage range (extended)  
Standby current (max.)  
VS  
IS_Q  
VSPI  
I_STBY  
SPI I/O supply voltage  
3 V to 5.5 V  
5 µA  
QFN32L Epad  
(5.0x5.0x1.0 mm)  
SPI standby current (max.)  
•
AEC-Q100 qualified  
General  
•
–
High-side switch control IC with eFuse protection for 12 V, 24 V, and  
48 V automotive applications  
Product status link  
–
–
–
–
–
SPI secondary interface for host control  
VNF1048F  
32-bit ST-SPI interface compatible with 3.3 V and 5 V CMOS level  
2 stage charge pump  
Gate drive for an external MOSFET in high-side configuration  
Product summary  
High precision uni-directional digital current sense via SPI through an  
external high-side shunt resistor  
Order code  
VNF1048FTR  
QFN32L  
Package  
Packing  
–
–
–
–
–
Input for an NTC resistor to monitor the external MOSFET temperature  
Very low standby current  
Tape and reel  
Robust fail-safe functionality through internal and external controls  
SPI register lock-out by a dedicated digital input pin  
Integrated ADC for TJ, VNTC, VOUT, and VDS conversion  
•
Protections  
–
–
–
–
–
–
Battery undervoltage shutdown  
External MOSFET desaturation shutdown configurable via SPI  
Hard short circuit latch-off configurable via SPI  
Current vs time latch-off configurable via SPI (fuse-emulation)  
Device overtemperature shutdown  
External MOSFET overtemperature shutdown  
•
•
Intelligent high current fuse replacement for automotive applications  
Especially, intended for automotive power distribution applications  
Description  
The VNF1048F is an advanced controller for Power MOSFET in high-side  
configuration, designed for the implementation of an intelligent high-side switch for 12  
V, 24 V, and 48 V automotive applications. The control IC is interfaced to a host  
microcontroller through a 3.3 V and 5 V CMOS-compatible SPI interface and  
provides protection and diagnostics to the system.  
DS13084 - Rev 8 - November 2023  
For further information contact your local STMicroelectronics sales office.  
www.st.com  
 
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