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AT9932TS-GVAO PDF预览

AT9932TS-GVAO

更新时间: 2024-09-15 20:08:47
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动光电二极管接口集成电路
页数 文件大小 规格书
18页 819K
描述
LED Driver, 1-Segment, PDSO24

AT9932TS-GVAO 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP,Reach Compliance Code:compliant
风险等级:5.19接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:R-PDSO-G24JESD-609代码:e3
长度:7.8 mm复用显示功能:NO
功能数量:1区段数:1
端子数量:24最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
筛选级别:AEC-Q100; TS 16949座面最大高度:1.2 mm
最大供电电压:40 V最小供电电压:5.3 V
标称供电电压:12 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mm最小 fmax:0.58 MHz
Base Number Matches:1

AT9932TS-GVAO 数据手册

 浏览型号AT9932TS-GVAO的Datasheet PDF文件第2页浏览型号AT9932TS-GVAO的Datasheet PDF文件第3页浏览型号AT9932TS-GVAO的Datasheet PDF文件第4页浏览型号AT9932TS-GVAO的Datasheet PDF文件第5页浏览型号AT9932TS-GVAO的Datasheet PDF文件第6页浏览型号AT9932TS-GVAO的Datasheet PDF文件第7页 
AT9932  
Automotive Boost-Buck LED Lamp Driver IC  
Features  
General Description  
• Constant Output Current  
The AT9932 is an advanced fixed-frequency PWM  
controller IC designed to control an LED lamp driver  
using a boost-buck topology that can step the input  
voltage up or down automatically. The IC provides fast  
output current transient response and very low  
susceptibility to input voltage transients. This allows the  
lamp driver to pass the rigorous electrical transient  
requirements of SAE J1455 or ISO 7637-2, making the  
AT9932 an ultimate solution for automobile lighting.  
Capacitive isolation protects the LED Lamp from failure  
of the switching MOSFET.  
• Steps Output Voltage Up or Down  
• Very Low Susceptibility to Input Voltage  
Transients  
• Frequency Jitter  
• Externally Programmable Fixed Switching  
Frequency  
Temperature Foldback with External NTC  
Resistor  
• Internal 40V Voltage Regulator  
• +/–1A MOSFET Gate Driver  
• Short LED Protection  
The AT9932 features a unique feed-forward current  
control scheme, differential output current sensing, soft  
start and protection from short or open LED load.  
Switching frequency can be programmed with a single  
external resistor.  
• Open LED Protection  
• Input Undervoltage Lockout Protection  
• Enable and PWM Dimming  
• ±3% Accurate Trimmed Reference  
• AEC-Q100 Compliant  
The AT9932 includes a temperature foldback of the  
output current using an external NTC resistor. This  
feature allows optimization of the light output of the  
LED load for safe operation over the entire operating  
temperature range.  
Applications  
• Automobile Lighting  
• Battery-Powered LED Lamps  
• Other Low-Voltage AC/DC or DC/DC LED Drivers  
Package Type  
24-lead TSSOP  
(Top view)  
24  
1
VIN  
AVDD  
PVDD  
GATE  
PGND  
GND  
JTR  
REF  
UVLO  
NC  
NC  
DRP  
FB  
COMP  
SS  
RT  
FFN  
FFP  
PWMD  
FLT  
T2  
DIV  
T1  
NTC  
See Table 2-1 for pin information.  
2018 Microchip Technology Inc.  
DS20005789A-page 1  

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