CS5462-IS datasheet, PDF - EEWORLD Datasheet

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CS5462-IS: DescriptionOther power management low-cost pwr/energy w/pulse output IC; CategoryAnalog mixed-signal IC The signal circuit; File Size198KB，18 Pages; ManufacturerCirrus Logic; Websitehttp://www.cirrus.com

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CS5462-IS Overview

Other power management low-cost pwr/energy w/pulse output IC

CS5462-IS Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Cirrus Logic
Parts packaging code	SSOP
package instruction	SSOP,
Contacts	24
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G24
JESD-609 code	e0
length	8.2 mm
Number of functions	1
Number of terminals	24
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
Certification status	Not Qualified
Maximum seat height	2.13 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	5.3 mm
Base Number Matches	1

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CS5462

Low Cost Power/Energy IC with Pulse Output

Features

Single Chip; Power Measurement Solution

Energy Data Linearity: ±0.1% of Reading

over 1000:1 Dynamic Range

On-Chip functions: Measures Energy and

Performs Energy-to-Pulse Conversions

Meets Accuracy Spec for IEC 687/1036

On-Chip System Calibration Option

High Pass Filter Option for Both I and V

2 Available Current Input Ranges

On-Chip 2.5 V Reference (25 ppm/°C typ)

Pulse Outputs for Stepper Motor or

Mechanical Counter

On-Chip Energy Direction Indicator

Ground Reference Input Signals with Single

Supply

High Frequency Output for Calibration

On-Chip Power-on Reset

Power Supply Configurations:

VA+ = +5 V; AGND = 0 V; VD+ = +3.3 V to 5 V

Description

The CS5462 is a low cost power meter solution combin-

ing two

∆Σ

Analog-to-Digital Converters

(ADC)’s,

energy-to-frequency converter, and energy pulse out-

puts on a single chip. It is designed to accurately

measure and calculate energy for single phase 2- or 3-

wire power metering applications with minimal external

components.

Low frequency energy outputs, E1 and E2, supply aver-

age real power and can be used to drive a stepper motor

or a mechanical counter; the high frequency energy out-

put FOUT can be used for calibration; and NEG indicates

negative power.

The CS5462 has configuration pins which allow for direct

configuration of pulse output format, pulse output fre-

quency, current channel input range, high pass filter

option, and on-chip calibration.

The CS5462 also has a power-on reset function which

holds the part in reset until the supply reaches an oper-

able level.

ORDERING INFORMATION

CS5462-IS

-40° to 85° C

24-pin SSOP

VA+

RESET

High Pass

Filter

VD+ / P7

XIN

Clock

Generator

XOUT

CPUCLK

FOUT / P6

E1 / P5

E2 / P4

NEG/P2

IIN+

IIN-

PGA

x10,x50

4th Order

∆Σ

Modulator

Digital

Filter

Energy to

Pulse Rate

Converter

Energy

Direction

VIN+

VIN-

x10

2nd Order

∆Σ

Modulator

Digital

Filter

Calibration

High Pass

Filter

VREFIN

VREFOUT

Voltage

Reference

Configuration Inputs: On-Chip Calibration, Program Select

Outputs

Pulse Output Mode / Output Frequency,

for

HPF Option, and

Configuration

Current Channel Input Range

AGND

IGAIN

FREQ

CAL1

CAL0

DGND / P1

Preliminary Product Information

http://www.cirrus.com

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.



Cirrus Logic, Inc. 2003

OCT 03

DS547PP1

CS5462

Co ntacting Cirrus Log ic Supp ort

For all product questions and inquiries contact a Cirrus Logic Sales Representative.

To find the one nearest to you go to

w w w .cirrus.com

IM PORTANT NO TICE

"Prelim inary" product inform ation describes products that are in production, b ut for which full cha racterization data is not yet

ava ilable. Cirrus Logic, Inc. and its subsidiaries ("Cirrus") believ e that t he inf ormation contained in this document is accurate and

reliable. However, the inform ation is su bject to change without notice and is provided "AS IS" without wa rranty of any kind

(express or im plie d). Cu stom ers are advised to obtain the latest version of relevant informa tion to verify, before placing orders,

that inform atio n being relied on is current and com plete. All products are sold subject to the terms a nd co nditions of sale supplied

at the time of ord er acknowledgm ent, including those pertaining to warran ty, patent infringem ent, an d lim itation of liability. No

responsibility is assum ed by Cirrus for the use of this inform ation, including use of this infor mation as the basis for manufactur e or

sale of any item s, o r for infringem ent of patents or oth er rights of third parties. Th is docum ent is the prop erty of Cirrus and by

furn ishing this information, Cirrus g rants n o license, exp ress o r im plied under any patents, m ask work rights, copyrig hts,

tradem arks, trade secrets o r other in tellectual property righ ts. Cirrus owns th e copyrights associated with the info rmation

contained herei n and gives consent for copies to be made of the information onl y for use within y our organization with respect to

Cirrus inte grated circuits or other products of Cirrus. Th is consent does no t extend to o the r copying such as copying for general

distribution, advertising or prom otional purpo ses, or for creating any work for resale.

An export perm it nee ds to b e obtained from the com petent authorities of the Japanese Government if any of the products or

techno logies described in th is m aterial and controlle d under the "Foreig n Exchange and Foreign Trade Law" is to b e exported or

taken out of Japan. An export license and/or quota needs to be obtained fro m the competent authorities of t he Chinese

Governm ent if any of the products or technologies d escribed in this m ate rial is subject to t he PRC Foreign Trade L aw and is to be

exp orted or taken ou t of the PRC.

CERTAIN APPLICATIO NS USING SEMICO NDUCTOR PRODUCTS M AY INVOLV E POTENTIAL RISKS OF DEATH,

PERSONAL INJURY, O R SEVERE PROPERTY OR ENVIRO NM ENTAL DAM AGE (“CRITICAL APPLICATIONS”). CIRRUS

PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR W ARRANTED FOR USE IN AIRCRAFT SYSTEM S, M ILITARY

APPLICATIONS, PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, LIFE SUPPORT PRODUCTS O R OTHER

CRITICAL APPLICA TIONS (INCLUDING MEDICAL DEVICES , AIRCRAFT SYSTEMS OR COM PONENTS AND PERSONA L O R

AUTOM OTIVE S AFETY OR SECURITY DEVICES). INCL US ION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS

UNDERS TO OD TO BE FULLY AT THE CUSTOM ER’S RISK AND CIRRUS DISCLAIMS AND M AKES NO W ARRANTY,

EXPRESS, STATUTORY O R IM PLIED, INCLUDING THE IMPLIED W ARRANTIES OF M ERCHANTABILITY AND FITNESS FO R

PARTICULAR PURP OSE, W ITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED IN SUCH A M ANNER. IF THE

CUSTOM ER OR CUSTO MER’S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL

APPLICATIONS, CUSTOMER AGREES , BY SUCH USE, TO FULLY INDEM NIFY CIRRUS, ITS OFFICERS, DIRECTORS,

EM PLOYEES, DISTRIB UTORS AND OTHE R AGENTS FROM A NY AND ALL LIABILITY, INCLUDING ATTORNEYS’ FEES AND

COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTIO N W ITH THE SE USES.

Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are tradem arks of Cirrus Logic, Inc. All other b rand and product nam es in

this docum ent m ay be tradem arks or service ma rks of their resp ective owners.

CS5462

TABLE OF CONTENTS

1. GENERAL DESCRIPTION ....................................................................................................... 5

2. PIN DESCRIPTION ................................................................................................................... 5

3. CHARACTERISTICS/SPECIFICATIONS ................................................................................. 7

ANALOG CHARACTERISTICS................................................................................................ 7

DIGITAL CHARACTERISTICS................................................................................................. 9

SWITCHING CHARACTERISTICS .......................................................................................... 9

ABSOLUTE MAXIMUM RATINGS ......................................................................................... 10

3.1 Theory of Operation ......................................................................................................... 11

3.1.1 Digital Filters ....................................................................................................... 11

3.1.2 Gain Calibration .................................................................................................. 11

3.1.3 Energy-to-Frequency Conversion ....................................................................... 11

4. FUNCTIONAL DESCRIPTION ............................................................................................... 12

4.1 Programmable Gain Amplifier (PGA) .............................................................................. 12

4.2 Pulse-Rate Output ........................................................................................................... 12

4.2.1 Stepper Motor Format. ........................................................................................ 12

4.2.2 Mechanical Counter Format ................................................................................ 13

4.3 Energy Direction Indicator ............................................................................................... 13

4.4 Internal Calibration Option ............................................................................................... 13

4.5 Power-on Reset ............................................................................................................... 13

4.6 Oscillator Characteristics ................................................................................................. 14

4.7 User Defined Settings ...................................................................................................... 14

4.8 Basic Application Circuit Configurations .......................................................................... 16

5. PACKAGE DIMENSIONS ...................................................................................................... 17

6. REVISIONS ............................................................................................................................ 18

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