Datasheet > RAA221340

RAA221340

更新时间： 2024-11-30 14:58:03

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
3页	203K
描述
40A Smart Power Stage (SPS) with Integrated High Accuracy Current and Temperature Monitors

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RAA221340 数据手册

Short-Form Datasheet

To request the full datasheet, visit the RAA221340 product page.

RAA221340

40A Smart Power Stage (SPS) with Integrated High Accuracy Current and Temperature Monitors

The RAA221340 Smart Power Stage (SPS) is

compatible with the ISL68xxx/69xxx Digital

Multiphase (DMP) controllers. The SPS has

Features

• Input range: +3.0V to +16V

• Supports 40A DC current

integrated high-accuracy current and temperature

monitors that are fed back to the controller to

complete a multiphase DC/DC system. The SPS

simplifies design and increases 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 with the Renesas 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

start-up and fault conditions.

○ Shorted HFET and overcurrent protection

○ Over-temperature protection

○ V Undervoltage Lockout (UVLO)

• 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

VIN

VCC

ISL68xxx/

ISL69xxx

Controller

Shoot-

Through

Protection

PWM

IMON

PWM

CS#n

OUT

PVCC

REFIN

CSRTN#n

Smart

Control

TMON

TEMP

FAULT#

OUT

GND

RAA221340

Figure 1. RAA221340 Simplified Application Block Diagram

R16DO0001EU0101 Rev.1.01

Apr.1.21

Page 1 of 2

12 3

中文翻译

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与RAA221340相关器件

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