Tektronix 2302/2302-PJ/2306/2306-PJ/ Primary User

tek.com/keithley

Model 2302/2302-PJ/2306/2306-PJ/
2306-VS Battery/Charger Simulator

Quick Results Guide

2306-903-01 Rev. D / May 2019

*P2306-903-01D*

2306-903-01D

Model 2302/2302-PJ/2306/2306-PJ/2306-VS

Battery/Charger Simulator

Quick Results Guide

©2019, Keithley Instruments, LLC

All rights reserved.

Cleveland, Ohio, U.S.A.

May 2019

Document Number: 2306-903-01 Rev. D

Safety precautions

The following safety precautions should be observed before using this product and any associated
instrumentation. Although some instruments and accessories would normally be used with nonhazardous
voltages, there are situations where hazardous conditions may be present.

This product is intended for use by personnel who recognize shock hazards and are familiar with the safety
precautions required to avoid possible injury. Read and follow all installation, operation, and maintenance
information carefully before using the product. Refer to the user documentation for complete product
specifications.

If the product is used in a manner not specified, the protection provided by the product warranty may be
impaired.

The types of product users are:
Responsible body is the individual or group responsible for the use and maintenance of equipment, for

ensuring that the equipment is operated within its specifications and operating limits, and for ensuring that
operators are adequately trained.

Operators use the product for its intended function. They must be trained in electrical safety procedures and
proper use of the instrument. They must be protected from electric shock and contact with hazardous live
circuits.

Maintenance personnel perform routine procedures on the product to keep it operating properly, for
example, setting the line voltage or replacing consumable materials. Maintenance procedures are described
in the user documentation. The procedures explicitly state if the operator may perform them. Otherwise, they
should be performed only by service personnel.

Service personnel are trained to work on live circuits, perform safe installations, and repair products. Only
properly trained service personnel may perform installation and service procedures.

Keithley Instruments products are designed for use with electrical signals that are measurement, control,
and data I/O connections, with low transient overvoltages, and must not be directly connected to mains
voltage or to voltage sources with high transient overvoltages. Measurement Category II (as referenced in
IEC 60664) connections require protection for high transient overvoltages often associated with local AC
mains connections. Certain Keithley Instruments measuring instruments may be connected to mains. These
instruments will be marked as category II or higher.

Unless explicitly allowed in the specifications, operating manual, and instrument labels, do not connect any
instrument to mains.

Exercise extreme caution when a shock hazard is present. Lethal voltage may be present on cable
connector jacks or test fixtures. The American National Standards Institute (ANSI) states that a shock
hazard exists when voltage levels greater than 30 V RMS, 42.4 V peak, or 60 VDC are present. A good
safety practice is to expect that hazardous voltage is present in any unknown circuit before measuring.

Operators of this product must be protected from electric shock at all times. The responsible body must
ensure that operators are prevented access and/or insulated from every connection point. In some cases,
connections must be exposed to potential human contact. Product operators in these circumstances must
be trained to protect themselves from the risk of electric shock. If the circuit is capable of operating at or
above 1000 V, no conductive part of the circuit may be exposed.

Do not connect switching cards directly to unlimited power circuits. They are intended to be used with
impedance-limited sources. NEVER connect switching cards directly to AC mains. When connecting
sources to switching cards, install protective devices to limit fault current and voltage to the card.

Before operating an instrument, ensure that the line cord is connected to a properly-grounded power
receptacle. Inspect the connecting cables, test leads, and jumpers for possible wear, cracks, or breaks
before each use.

When installing equipment where access to the main power cord is restricted, such as rack mounting, a
separate main input power disconnect device must be provided in close proximity to the equipment and
within easy reach of the operator.

For maximum safety, do not touch the product, test cables, or any other instruments while power is applied
to the circuit under test. ALWAYS remove power from the entire test system and discharge any capacitors
before: connecting or disconnecting cables or jumpers, installing or removing switching cards, or making
internal changes, such as installing or removing jumpers.

Do not touch any object that could provide a current path to the common side of the circuit under test or
power line (earth) ground. Always make measurements with dry hands while standing on a dry, insulated
surface capable of withstanding the voltage being measured.

For safety, instruments and accessories must be used in accordance with the operating instructions. If the
instruments or accessories are used in a manner not specified in the operating instructions, the protection
provided by the equipment may be impaired.

Do not exceed the maximum signal levels of the instruments and accessories. Maximum signal levels are
defined in the specifications and operating information and shown on the instrument panels, test fixture
panels, and switching cards.

When fuses are used in a product, replace with the same type and rating for continued protection against
fire hazard.

Chassis connections must only be used as shield connections for measuring circuits, NOT as protective
earth (safety ground) connections.

If you are using a test fixture, keep the lid closed while power is applied to the device under test. Safe
operation requires the use of a lid interlock.

If a screw is present, connect it to protective earth (safety ground) using the wire recommended in the
user documentation.

The symbol on an instrument means caution, risk of hazard. The user must refer to the operating
instructions located in the user documentation in all cases where the symbol is marked on the instrument.

The symbol on an instrument means warning, risk of electric shock. Use standard safety precautions to
avoid personal contact with these voltages.

The symbol on an instrument shows that the surface may be hot. Avoid personal contact to prevent
burns.

The symbol indicates a connection terminal to the equipment frame.

If this symbol is on a product, it indicates that mercury is present in the display lamp. Please note that
the lamp must be properly disposed of according to federal, state, and local laws.

The WARNING heading in the user documentation explains dangers that might result in personal injury or
death. Always read the associated information very carefully before performing the indicated procedure.

The CAUTION heading in the user documentation explains hazards that could damage the instrument. Such
damage may invalidate the warranty.

The CAUTION heading with the symbol in the user documentation explains hazards that could result in
moderate or minor injury or damage the instrument. Always read the associated information very carefully
before performing the indicated procedure. Damage to the instrument may invalidate the warranty.

Instrumentation and accessories shall not be connected to humans.
Before performing any maintenance, disconnect the line cord and all test cables.
To maintain protection from electric shock and fire, replacement components in mains circuits — including

the power transformer, test leads, and input jacks — must be purchased from Keithley Instruments.
Standard fuses with applicable national safety approvals may be used if the rating and type are the same.
The detachable mains power cord provided with the instrument may only be replaced with a similarly rated
power cord. Other components that are not safety-related may be purchased from other suppliers as long as
they are equivalent to the original component (note that selected parts should be purchased only through
Keithley Instruments to maintain accuracy and functionality of the product). If you are unsure about the
applicability of a replacement component, call a Keithley Instruments office for information.

Unless otherwise noted in product-specific literature, Keithley Instruments instruments are designed to
operate indoors only, in the following environment: Altitude at or below 2,000 m (6,562 ft); temperature 0 °C
to 50 °C (32 °F to 122 °F); and pollution degree 1 or 2.

To clean an instrument, use a cloth dampened with deionized water or mild, water-based cleaner. Clean the
exterior of the instrument only. Do not apply cleaner directly to the instrument or allow liquids to enter or spill
on the instrument. Products that consist of a circuit board with no case or chassis (e.g., a data acquisition
board for installation into a computer) should never require cleaning if handled according to instructions. If
the board becomes contaminated and operation is affected, the board should be returned to the factory for
proper cleaning/servicing.

Safety precaution revision as of June 2017.

T

able of Contents

Introduction ...................................................................................................................... 2

Performance features ........................................................................................................ 2

Proper connection of the supply to the DUT.................................................................... 2

Front panel operation........................................................................................................ 4

Menu controls ............................................................................................................ 4

Setting the output voltage, current range, and current limit ...................................... 5

Turning supply output ON/OFF................................................................................. 5

Actual V and I mode.................................................................................................. 5

DVM input mode....................................................................................................... 8

Pulse current mode..................................................................................................... 9

Long integration mode............................................................................................... 16

Advanced features ............................................................................................................ 20

Simulating battery impedance ................................................................................... 20

Variable output bandwidth......................................................................................... 28

List of Illustrations

Model 2306 front panel .................................................................................................... 1

Rear panel view of Model 2306........................................................................................ 3

4-wire remote sense connection of the DUT to the output............................................... 3

2-wire local sense connection of the DUT to the output .................................................. 4

Pulsed waveform............................................................................................................... 10

Eliminating the effect of a current transient on a pulse current measurement ................. 11

Circuit — determining the dynamic voltage and current characteristics of a DUT......... 14

Pulsed waveform............................................................................................................... 17

Battery schematic.............................................................................................................. 21

Actual battery pack terminal voltage during GSM phone simulation.............................. 22

Simulated GSM phone current profile.............................................................................. 23

Electronic resistance of NiCd, NiMH, and Li ion battery packs...................................... 24

Effect of variable output impedance control..................................................................... 25

Voltage drop sample (with supplied Li ion battery pack)................................................. 26

Voltage drop sample (with Model 2306 and output impedance set at 0.24Ω).................. 27

Model 2306

Quick Results Guide

NOTE This quick results guide provides information on four different models of battery or

battery/charger simulators (Models 2302, 2302-PJ, 2306, and 2306-PJ). In this
guide, references to Model 2306 apply to all of the simulators unless otherwise
noted. Likewise, references to specific models (for example, Model 2306 and
2306-PJ, or Model 2306-PJ and 2302-PJ) r efer only to the models listed. Since the
Model 2302 and 2302-PJ are single channel battery simulator s, functions r elated to
the second channel (i.e., the charger channel) are not available for these models.
Therefore:

• battery and c harger c hannel features contained in this manual apply for
the Model 2306 and 2306-PJ

• only battery channel features contained in this manual apply for the
Model 2302 and 2302-PJ

Refer to Appendix F of Instruction Manual (2306-901-01) for specific Model 2302
and 2302-PJ information.

Information contained in this guide applies to all power supply channels (unless
otherwise noted). In this manual, channel 1 refers to the battery channel while
channel 2 refers to the charger channel (2306 and 2306-PJ features only).

Figure 1

Model 2306 front panel

2306 DUAL CHANNEL BATTERY/CHARGER SIMULATOR

DISPLAY

POWER

NOTE For additional information on any feature discussed in this guide (including pro-

gr

amming examples) refer to the Instruction Manual (part number 2306-901-00).

LOCAL

MENU

ENTER

OPERATE

SET

2 Introduction

Introduction

This guide is designed to familiarize users of the Keithley Model 2306 Dual Channel Battery/
Charger Simulator and Model 2302 Single Channel Battery Simulator with the basic operating
features available from the instrument’s front panel and also the GPIB bus. The sequence of
operating instructions reflects the order in which the instrument would be configured for a typ­ical application. For each operating mode, an example set of bus commands is provided. While
the SCPI command strings are generic, the exact programming syntax will depend on the test
program language.

Performance features

The battery channel, the single output channel of the Model 2302 and channel #1 on the
Model 2306, has several enhanced performance features:

1. The transient response, defined by the voltage recovery time and voltage drop when sub­jected to a 1000% load change, is faster. For exact specifications, refer to Appendix A in
the Model 2306 Instruction Manual.

2. Three current trigger ranges for pulsed current and long integration operation as opposed
to a single range on the charger channel, channel #2 (5A). Available trigger ranges for the
5A current range: 100mA, 1A, and 5A. Available trigger ranges for the 500mA current
range (Model 2306-PJ and 2302-PJ): 10mA, 100mA, and 500mA.

3. Variable output impedance on channel #1 (0Ω to 1.00Ω in 0.01Ω steps). Channel #2 has
fix

ed output impedance.

Proper connection of the supply to the DUT

WARNING When installing a unit into a test system, make sure the external power

sources do not apply voltage to the power supply in excess of its maximum
limits (see specifi
death.

WARNING The power cord supplied with the Model 2306 contains a separate ground

for use with grounded outlets. When proper connections are made, instru­ment chassis is connected to power line ground through the ground wire in
the power cord. Failure to use a grounded outlet may result in personal in­jury or death due to electric shock.

WARNING

NOTE

To prevent any human contact with a live conductor, connections to the
DUT must be fully insulated and the final connections to the DUT must
only use safety-rated safety jack socket connectors that do not allow
bodily contact.

On some sensitive or easily damaged devices under test (DUTs), the instrument
power-up sequence can apply transient signals to the DUT that may affect or
damage it. When testing this type of DUT, do not make final
connections to it until the instrument has completed its power- up sequence and

is in a known operating state.

cations). Failure to do so could result in personal injury or

Proper connection of the supply to the DUT 3

NOTE

On some sensitive or easily damaged devices under test (DUTs), the
instrument power-down sequence can apply transient signals to t

he DUT that
may affect or damage it. When testing this type of DUT, disconnect it from
the instrument before turning the instrument off.

Figure 2 shows a rear panel view of the Model 2306 detailing the connector sockets for the

battery channel “OUTPUT #1”

and the charger channel “OUTPUT #2.” The Model 2306 does
not have an internal local sense connection. Therefore, the operator must connect the DUT to
the supply in either a remote or local sense configuration as illustrated. For a 4-wire remote sense
application, the sense inputs to the supply must be connected at load as close to the inputs of the
load as possible through twisted pair leads as shown in Figure 3.

Figure 2

Rear panel view of Model 2306

WARNING:

NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.

WARNING:

NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.

OUTPUT #1

SOURCE SENSE

SOURCE

____

+++

ISOLATION FROM EARTH: 22 VOLTS MAX.

CAT

I

RELAY

CONTROL

24VDC MAX.

MADE IN

U.S.A.

CAUTION:

FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.

CAUTION:

FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.

IEEE-488

(ENTER IEEE ADDRESS

FROM FRONT PANEL MENU)

DVM IN

+30 VDC MAX.

+

DVM IN

SOURCE SENSE

+++

LINE FUSE

SLOWBLOW

2.0A, 250V

LINE RATING

100-120VAC, 200-240VAC
50, 60 HZ 150VA MAX.

REMOTE
DISPLAY

OPTION

OUTPUT #2

____

SOURCE

DVM IN

+

Figure 3

4-wire remote sense connection of the DUT to the output

Quick Disconnect

DVM input

Model 2306
source input/output

NOTE DO NO

DO NO

Connector

External Test Circuit

DVM +

DVM ­Source ­Source -

Sense -

Sense +

Source +
Source +

Twisted pair

T jumper the sense inputs and suppl

y outputs at the rear of the supply.

T pass the source and sense leads together in the same twisted pair.

+

-

DUT