Datasheet > ISL28023EVKIT1Z

ISL28023EVKIT1Z

更新时间： 2024-01-14 05:25:14

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
55页	3433K
描述
Precision Digital Power Monitor with Margining

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数据手册

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ISL28023EVKIT1Z 数据手册

DATASHEET

ISL28023

Precision Digital Power Monitor with Margining

FN8389

Rev 5.00

March 18, 2016

The ISL28023 is a bidirectional high-side and low-side digital

current sense and voltage monitor with a serial interface. The

device monitors power supply current, voltage and provides

the digital results along with calculated power. The ISL28023

provides tight accuracy of 0.05% for both voltage and current

monitoring. The auxiliary input provides an additional power

monitor function.

Features

• Bus voltage sense range . . . . . . . . . . . . . . . . . . . . . . 0V to 60V

• Voltage gain error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05%

• Current gain error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05%

• Internal temperature sensor accuracy . . . . . . . . . . . . +1.0°C

• High or low (RTN) side sensing

The V power can either be externally supplied or internally

regulated, which allows the ISL28023 to handle a

common-mode input voltage range from 0V to 60V. The wide

range permits the device to handle telecom, automotive and

industrial applications with minimal external circuitry.

• Bidirectional current sensing

• Auxiliary low voltage channel

• ∆∑ADC, 16-bit native resolution

• Programmable averaging modes

• Internal 3.3V regulator

An 8-bit voltage DAC enables a DC/DC converter output voltage

margining. Fault indication includes a Bus Voltage window and

overcurrent fast fault logic indication.

• Internal temperature sense

• Overvoltage/undervoltage and current fault monitoring with

500ns detection delay

The ISL28023 serial interface is PMBus compatible and

operates down to 1.2V voltage. It draws an average current of

just 800µA and is available in the space saving 24 Ld QFN

4mmx4mm package. The part operates across the full

industrial temperature range from -40°C to +125°C.

• 8-bit voltage output DAC

• I C/SMBus/PMBus interface that handles 1.2V supply

Applications

• Data processing servers

• DC power distribution

Related Literature

AN1955, “Design Ideas for Intersil Digital Power Monitors”

• Telecom equipment

• Portable communication equipment

• DC/DC, AC/DC converters

AN1932, “ISL28023 Precision Digital Power Monitor

Evaluation Kit”

• Many I C DAC and ADC with alert applications

V_IN= 4.5V 36V

RSH

VCC

SMBALERT1

ISL28023

VINP

GND

3.3V

Vreg

Ext_Temp

Place Diode

Near RSH

VINM

ADC

16-Bit

Phase

VBUS

VIN

SCL

AUXP

SDA

ISL85415

_AUXMmp

0.1µF

PMBus

REG

MAP

BOOT

R₂

SMBALERT2

I2CVCC

AUXV

DAC OUT

R₁

Temp

Sense

8-Bit

DAC

R₃

To SMBAlert1

GPIO/Int

V_IN

VOUT = 0.6 +

(0.6 – DAC OUT)

* R2/R1

SCL

SDA

MCU

GPIO

FIGURE 1. APPLICATION DIAGRAM

FN8389 Rev 5.00

March 18, 2016

Page 1 of 55

12 3 4 5 6 7...55

中文翻译

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与ISL28023EVKIT1Z相关器件

型号	品牌	获取价格	描述	数据表
ISL28023FR12Z	RENESAS	获取价格	Precision Digital Power Monitor with Margining; QFN24; Temp Range: -40° to 125&
ISL28023FR12Z	INTERSIL	获取价格	Precision Digital Power Monitor with Margining
ISL28023FR12Z-T	RENESAS	获取价格	Precision Digital Power Monitor with Margining; QFN24; Temp Range: -40° to 125&
ISL28023FR12Z-T7A	RENESAS	获取价格	Precision Digital Power Monitor with Margining; QFN24; Temp Range: -40° to 125&
ISL28023FR60Z	INTERSIL	获取价格	Precision Digital Power Monitor with Margining
ISL28023FR60Z	RENESAS	获取价格	Precision Digital Power Monitor with Margining; QFN24; Temp Range: -40° to 125&
ISL28023FR60Z-T	RENESAS	获取价格	Precision Digital Power Monitor with Margining; QFN24; Temp Range: -40° to 125&
ISL28025	RENESAS	获取价格	Precision Digital Power Monitor with Real Time Alerts
ISL28025EVAL1Z	RENESAS	获取价格	Precision Digital Power Monitor with Real Time Alerts
ISL28025EVKIT1Z	RENESAS	获取价格	Precision Digital Power Monitor with Real Time Alerts

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