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LQFP32 PDF预览

LQFP32

更新时间: 2024-11-05 05:42:43
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 驱动器
页数 文件大小 规格书
41页 750K
描述
SPI control diagnosis interface device for VIPower M0-5 and M0-5E high side drivers

LQFP32 数据手册

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L99PD08  
SPI control diagnosis interface device for  
VIPower™ M0-5 and M0-5E high side drivers  
Features  
I 8 channel VIPower driver and diagnostics  
device  
I Supports analog and digital VIPower status  
readback  
I 8 independent PWM channels  
I Selectable PWM base clock (2 external, one  
internal)  
LQFP32  
I Programmable PWM turn on phase shift  
I Programmable diagnostic thresholds (analog  
VIPower)  
Description  
The device has integrated several functions which  
save job load of the microcontroller and save  
necessary connections to the microcontroller. It’s  
possible to connect analog and digital high side  
drivers (HSD) to the device and control them via  
SPI interface. A synchronous detailed diagnostics  
feature is integrated.  
I Programmable over temperature latch off for  
enhanced HSD short circuit reliability  
I Limp home safety mode  
I ST-SPI interface protocol for data  
communication  
I External enable pin for low power mode  
I Detailed and filtered diagnostic for each  
channel  
The device has 8 outputs to the HSD with the  
possibility to be driven either by steady state  
ON/OFF mode or by PWM. Two clock inputs used  
as base frequency to generate the PWM signal  
internally are provided. The outputs are fully  
independent and can also be driven with phase  
shift to improve characteristics of power net  
during the inrush phase. The device has 8 current  
sense (CS)/status (ST) pins connected to the  
HSD to run diagnostics. The index of ST/CS pin  
corresponds to the input connected to the same  
HSD channel (ST0/CS0 with OUT0, ST1/CS1  
with OUT1 …).  
I Direct multiplexed VIPower status / current  
sense feedback  
I Supply voltage 3.3 or 5.0 V (two pins)  
Applications  
I Exterior and interior automotive light system  
Table 1.  
Summary device  
Package  
Order codes  
Tape and reel  
Tube  
LQFP32  
L99PD08  
L99PD08TR  
April 2010  
Doc ID 15872 Rev 3  
1/41  
www.st.com  
1

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