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RAA221320 PDF预览

RAA221320

更新时间: 2024-11-30 14:58:23
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
3页 203K
描述
20A Smart Power Stage (SPS) with Integrated High Accuracy Current and Temperature Monitors

RAA221320 数据手册

 浏览型号RAA221320的Datasheet PDF文件第2页浏览型号RAA221320的Datasheet PDF文件第3页 
Short-Form Datasheet  
To request the full datasheet, visit the RAA221320 product page.  
RAA221320  
20A Smart Power Stage (SPS) with Integrated High Accuracy Current and Temperature Monitors  
The RAA221320 is a Smart Power Stage (SPS)  
compatible with the ISL68xxx/69xxx Digital  
Multiphase (DMP) controllers. The SPS has  
Features  
• Input range: +3.0V to +16V  
• Supports 20A DC current  
integrated high-accuracy current and temperature  
monitors that are fed back to the controller to  
complete a multiphase DC/DC system. These  
monitors simplify design and increase performance by  
eliminating the DCR sensing network and associated  
thermal compensation. An industry-leading thermally  
enhanced 4x5 PQFN package allows minimal overall  
PCB real estate.  
• 3.3V compatible tri-state PWM input  
• Downslope current sensing  
• ±3% accuracy current monitor (IMON) with REFIN  
input  
• 8mV/°C temperature monitor with OT flag  
• Comprehensive fault protection for high system  
reliability  
The SPS features a 3.3V compatible tri-state PWM  
input that works together with the Renesas  
Shorted HFET and overcurrent protection  
Over-temperature protection  
multiphase PWM controllers to provide a robust  
solution in abnormal operating conditions. The SPS  
also improves system performance and reliability with  
integrated fault protection of UVLO, shorted HFET,  
over-temperature, and overcurrent. An open-drain  
fault reporting pin simplifies the handshake between  
the SPS and controllers and can disable the controller  
during startup and fault conditions.  
V Undervoltage Lockout (UVLO)  
CC  
• Fault reporting outputs (TMON, Fault#, and IMON)  
• Up to 1.5MHz switching frequency  
• Pb-free (RoHS compliant), 25 Ld 4x5 PQFN  
Applications  
• High frequency and high efficiency VRM and VRD  
• Core, graphic, and memory regulators for  
microprocessors  
• High density VR for server, networking, and cloud  
computing  
• POL DC/DC converters and video gaming consoles  
+12V  
+5V  
BOOT  
PHASE  
VCC  
VIN  
ISL68xxx/  
ISL69xxx  
Controller  
Shoot-  
Through  
Protection  
PWM  
IMON  
PWM  
CS#n  
L
OUT  
V
OUT  
SW  
PVCC  
REFIN  
TMON  
CSRTN#n  
Smart  
Control  
TEMP  
EN  
C
OUT  
FAULT#  
GND  
GND  
GND  
RAA221320  
Figure 1. RAA221320 Simplified Application Block Diagram  
R16DO0002EU0101 Rev.1.1  
Apr.2.21  
Page 1 of 2  
© 2020 Renesas Electronics  

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