User's Guide
SLVU779 – October 2012
Using the TPS22930AEVM-027 Single Channel Load
Switch IC
The TPS22930AEVM-027 evaluation module (EVM) allows the user to connect power to and control the
Ultra Small CSP-4 package load switch. Parameters such as On State resistance, Slew Rate and
Discharge properties can be easily evaluated.
1
2
3
4
5
6
7
8
9
Contents
Introduction .................................................................................................................. 2
Description ................................................................................................................... 2
2.1
Typical Applications ................................................................................................ 2
2.2
Features ............................................................................................................. 2
Electrical Performance ..................................................................................................... 3
Operation ..................................................................................................................... 3
4.1
Equipment ........................................................................................................... 3
4.2
Setup ................................................................................................................ 3
Operation ..................................................................................................................... 4
Test Configurations ......................................................................................................... 5
6.1
On State Resistance (rON) Test Setup ........................................................................... 5
6.2
Slew Rate Test Setup ............................................................................................. 6
6.3
VOUT Slew Rate Example ........................................................................................ 7
Layout ........................................................................................................................ 9
7.1
Assembly ............................................................................................................ 9
7.2
Top Side ............................................................................................................. 9
7.3
Bottom Side ....................................................................................................... 10
Schematic .................................................................................................................. 11
Bill of Materials ............................................................................................................. 11
List of Figures
.....................................................................................................................
1
rON Setup
2
Slew Rate Setup ............................................................................................................ 6
5
3
Trise TPS22930A Example ................................................................................................ 7
4
Tfall TPS22930A Example ................................................................................................. 8
List of Tables
1
TPS22930A VOUT Rise Time, Enable, and Output Discharge Options ............................................. 2
2
TPS22930AEVM-027 Electrical Performance ........................................................................... 3
3
Bill of Materials............................................................................................................. 11
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1
Introduction
1
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Introduction
Table 1. TPS22930A VOUT Rise Time, Enable, and Output Discharge Options
2
EVM
Device
Rise Time (µs) Typical
VIN (V)
Max. Continuous
Current
Enable (ON Pin)
Quick Output
Discharge
HVL027
TPS22930A
6
4.2
2-A
Active High
No
Description
The TPS22930A is a small, low RON load switch with controlled turn on. The device contains a µP-channel
MOSFET that can operate over an input voltage range of 1.4 V to 5.5 V. The switch is controlled by an
on/off input (ON), which is capable of interfacing directly with low-voltage control signals. The TPS22930A
is active high enable.
2.1
Typical Applications
•
•
•
•
•
•
•
2.2
Features
•
•
•
2
Battery Powered Equipment
Portable Industrial Equipment
Portable Medical Equipment
Portable Media Players
Smart phones / Tablets
Digital Cameras
GPS Devices
Ultra Low On State Resistance
2A Maximum Continuous Switch Current
Controlled Slew Rate to Avoid Inrush Currents
Using the TPS22930AEVM-027 Single Channel Load Switch IC
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Electrical Performance
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3
Electrical Performance
Table 2. TPS22930AEVM-027 Electrical Performance
TYP
MAX
IIN
Quiescent current
PARAMETER
IOUT = 0, VIN = VON
TEST CONDITIONS
Full
8
20
µA
IIN(off)
Off supply current
VON = GND, VOUT = Open
Full
0.6
3.5
µA
IIN(Leakage)
Leakage current
VON = GND, VOUT = 0
Full
0.6
3.5
µA
25°C
31.7
VIN = 5.5 V, IOUT = –200 mA
VIN = 5.0 V, IOUT = –200 mA
VIN = 4.2 V, IOUT = –200 mA
rON
On-resistance
VIN = 3.3 V, IOUT = –200 mA
VIN = 2.5 V , IOUT = –200 mA
VIN = 1.8 V, IOUT = –200 mA
VIN = 1.5 V, IOUT = –200 mA
UVLO
Under voltage lock out
ION
ON input leakage current
VRVP
Reverse current voltage threshold
tDELAY
Reverse current response delay
4
Operation
4.1
Equipment
TA
MIN
Full
40.8
25°C
31.9
Full
41.1
25°C
32.2
Full
41.6
25°C
33
Full
42.5
25°C
35.4
Full
44.8
25°C
45.2
Full
58.3
25°C
54.4
Full
71.1
VIN increasing, V– = 0 V,
IOUT = –100 mA
Full
1.2
VIN
decreasing, V– = 0 V,
RL = 10 Ω
Full
VON = 1.4 V to 5.5 V or GND
Full
VIN = 5 V
0.5
UNIT
mΩ
mΩ
mΩ
mΩ
mΩ
mΩ
mΩ
V
V
1
µA
44
mV
10
µs
Voltage Sources:
• DC supply will be used.
– DC Supply capable of minimum of 10V, 3A.
Multimeters:
• Multi Meter for measuring switch voltage drop and VOUT voltage.
Output Load:
• Variable load connected to VOUT, observe power rating,
Oscilloscope:
• 2 channel 100MHz
Recommended Wire Gauge: 18 AWG
4.2
Setup
This section describes the jumpers and connectors on the EVM as well as how to properly connect, set
up, and use the EVM.
4.2.1
J1/J3 – Input Connections
This is the connection for the leads from the input source. Connect the positive lead to VIN J1, and the
negative lead connection to GND J3.
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Operation
4.2.2
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J4/J6 – Output Connections
This is the connection for the output of the EVM. Connect the positive connection of the load to VOUT J4,
and the negative connection to GND J6.
4.2.3
JP3 – ON
This is the enable input for the device. A shorting jumper must be installed on JP3 in either the High or
Low Position. The TPS22907 and TPS22908 are active High. ON must not be left floating. An external
enable source can be applied to the EVM by removing the shunt and connecting a signal to the center pin
of J3. Refer to the datasheet for proper ON and OFF voltage level settings. A switching signal may also be
used and connected at this point.
4.2.4
J2/J5 - VIN Sense and VOUT Sense
These two connections are used when very accurate measurements of the input or output voltage are
required. rON measurements should be made using these sense connections when measuring the voltage
drop from VIN to VOUT and then calculating the resistance.
4.2.5
JP1/JP2 – Input Capacitors
During normal operation a shorting jumper is placed on JP2 and connects C2 capacitor from the input of
the device to ground. JP1 and C1 may be used to connect a user selected capacitor value from the input
of the device to ground. Refer to the Applications Section of the Datasheet for additional information on
selecting the input capacitors.
4.2.6
JP4/JP5 – Output Capacitors
JP4 and JP5 may be used to connect a user selected capacitor value from the output of the device to
ground. Refer to the Applications Section of the Datasheet for additional information on selecting the
output capacitors.
4.2.7
JP6/JP7 – Output Resistors
During normal operation no shorting jumper is placed on JP6 or JP7. A shorting jumper may be used on
JP6 to connect R1 load resistor from the output of the device to ground. JP7 may be used to connect R2
load resistor from the output to ground. R1 and R2 are sized for 1210 1/2W power rated resistors.
5
Operation
Connect the positive input of the power supply to VIN at J1 and the negative lead of the power supply to
GND at J3. The input voltage range of the TPS22930AEVM-027 is 1.4V to 5.5V.
Output loads can be applied by connecting between J4 VOUT and J6 GND. The TPS22930AEVM-027 is
rated for a maximum continuous current of 2A. Configure JP3 as required. JP3 must be installed for
proper operation. When the ON pin is asserted the TPS22930A device will control the slew rate of VOUT.
The slew rate of the device is internally controlled to avoid inrush current.
4
Using the TPS22930AEVM-027 Single Channel Load Switch IC
Copyright © 2012, Texas Instruments Incorporated
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Test Configurations
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6
Test Configurations
6.1
On State Resistance (rON) Test Setup
Figure 1 shows a typical setup for measuring On State Resistance. The voltage drop across the switch is
measured using the sense connections then divided by the current into the load yielding the rON
resistance.
Figure 1. rON Setup
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5
Test Configurations
6.2
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Slew Rate Test Setup
Figure 2 shows a test setup for measuring the Slew Rate of the Load Switch. Controlling the ON pin of the
switch with a signal source and then measuring the output with a scope shows the switches ability to
avoid inrush current.
Figure 2. Slew Rate Setup
6
Using the TPS22930AEVM-027 Single Channel Load Switch IC
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Test Configurations
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6.3
VOUT Slew Rate Example
Figure 3. Trise TPS22930A Example
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7
Test Configurations
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Figure 4. Tfall TPS22930A Example
8
Using the TPS22930AEVM-027 Single Channel Load Switch IC
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Layout
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7.2
1
1
1
2
1
1
2
2
1
2
1
1
1
A2
2
1
2
A1
2
1
2
2
B2
2
1
1
B1
2
1
2
2
2
1
2
2
1
1
Assembly
2
7.1
3
2
1
2
Layout
1
7
Top Side
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Layout
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7.3
Bottom Side
10
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Schematic
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8
Schematic
2A Max Output Current
1.4v - 5.5v
U1
TPS22930AYZV
1
VIN
A2 VIN
VOUT A1
B2 ON
GND B1
J4
2
2
J1
C1
2
C2
10uF
HI
JP3
1
+
VIN sense
VOUT
1
1
C3
0.1uF
1
C4
4
2
2
2
R1
4
R2
2
JP2
+
2
3
JP1
2
LO
JP4
JP5
JP6
JP7
VOUT sense
1
-
J5
-
J2
J6
GND
1
2
2
1
GND
J3
1
See BOM for part number
2
Not Installed
3
Observe 1/2W Rating on these components
9
Bill of Materials
Table 3. Bill of Materials
Coun
RefDes
t
Value
Description
Size
PCB, 0.9 In x 1.7 In x 0.062 In
Part Number
MFR
HVL027
Any
1
—
0
C3
0.1uF
Capacitor, Ceramic, 16-V, X7R,10%
603
Std
Std
1
C2
10uF
Capacitor, Ceramic, 10-V, X5R,20%
603
Std
Std
0
C1, C4
OPEN
Capacitor, Ceramic
603
Std
Std
0
R1
OPEN
Resistor, Chip 1/2W 5%
1210
Std
Std
0
R2
OPEN
Resistor, Chip 1/2W 5%
1210
Std
Std
12
J1-J6, JP1-2,
JP4-7
PEC02SAAN
Header, 2pin, 100mil spacing
0.100 inch x 2
PEC02SAAN
Sullins
1
JP3
PEC03SAAN
Header, 3pin, 100mil spacing
0.100 inch x 3
PEC03SAAN
Sullins
YZV
TPS22930AYZV
TI
1
U1
TPS22930AYZV
IC, Single Chip,Current-Limited Load Switch with Controlled
Turn On
1
—
—
Label (See note 5)
1.25 x 0.25 inch
THT-13-457-10
Brady
1
NA
NA
Shunt, 100-mil, Black
0.100
929950-00
3M
Notes
1. These assemblies are ESD sensitive, ESD precautions shall be observed.
:
2. These assemblies must be clean and free from flux and all contaminants. Use of no clean flux is not acceptable.
3. These assemblies must comply with workmanship standards IPC-A-610 Class 2.
4. Ref designators marked with an asterisk ('**') cannot be substituted. All other components can be substituted with equivalent MFG's components.
5. Install label in silkscreened box after final wash. Text shall be 8 pt font. Text shall be per Table 1.
Table 1
Assembly
No.
Text
HVL027
TPS22930AEVM
-027
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11
EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS
Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions:
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims
arising from the handling or use of the goods.
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days from
the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO
BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH
ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES.
Please read the User's Guide and, specifically, the Warnings and Restrictions notice in the User's Guide prior to handling the product. This
notice contains important safety information about temperatures and voltages. For additional information on TI's environmental and/or safety
programs, please visit www.ti.com/esh or contact TI.
No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which such TI products or services might be or are used. TI currently deals with a variety of customers for products, and
therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design,
software performance, or infringement of patents or services described herein.
REGULATORY COMPLIANCE INFORMATION
As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal
Communications Commission (FCC) and Industry Canada (IC) rules.
For EVMs not subject to the above rules, this evaluation board/kit/module is intended for use for ENGINEERING DEVELOPMENT,
DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer
use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing
devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency
interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will
be required to take whatever measures may be required to correct this interference.
General Statement for EVMs including a radio
User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and
power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local
laws governing radio spectrum allocation and power limits for this evaluation module. It is the user’s sole responsibility to only operate this
radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this are strictly prohibited and
unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory
authorities, which is responsibility of user including its acceptable authorization.
For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the
equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the interference at his own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
For EVMs annotated as IC – INDUSTRY CANADA Compliant
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Concerning EVMs including radio transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this
device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired
operation of the device.
Concerning EVMs including detachable antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum
permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada.
Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de
l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est
autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
【Important Notice for Users of this Product in Japan】
】
This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan
If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:
1.
2.
3.
Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this
product, or
Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with
respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note
that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.
Texas Instruments Japan Limited
(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan
http://www.tij.co.jp
【ご使用にあたっての注】
本開発キットは技術基準適合証明を受けておりません。
本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。
1.
2.
3.
電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
実験局の免許を取得後ご使用いただく。
技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
日本テキサス・インスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
http://www.tij.co.jp
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
EVALUATION BOARD/KIT/MODULE (EVM)
WARNINGS, RESTRICTIONS AND DISCLAIMERS
For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished
electrical equipment and not intended for consumer use. It is intended solely for use for preliminary feasibility evaluation in
laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks
associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end
product.
Your Sole Responsibility and Risk. You acknowledge, represent and agree that:
1.
2.
3.
4.
You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug
Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees,
affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes.
You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable
regulatory requirements, and also to assure the safety of any activities to be conducted by you and/or your employees, affiliates,
contractors or designees, using the EVM. Further, you are responsible to assure that any interfaces (electronic and/or mechanical)
between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to
minimize the risk of electrical shock hazard.
You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage, injury or death, even
if the EVM should fail to perform as described or expected.
You will take care of proper disposal and recycling of the EVM’s electronic components and packing materials.
Certain Instructions. It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the
user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and
environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please contact
a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the
specified output range may result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or
interface electronics. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the
load specification, please contact a TI field representative. During normal operation, some circuit components may have case temperatures
greater than 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include
but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the
EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during normal operation, please
be aware that these devices may be very warm to the touch. As with all electronic evaluation tools, only qualified personnel knowledgeable
in electronic measurement and diagnostics normally found in development environments should use these EVMs.
Agreement to Defend, Indemnify and Hold Harmless. You agree to defend, indemnify and hold TI, its licensors and their representatives
harmless from and against any and all claims, damages, losses, expenses, costs and liabilities (collectively, "Claims") arising out of or in
connection with any use of the EVM that is not in accordance with the terms of the agreement. This obligation shall apply whether Claims
arise under law of tort or contract or any other legal theory, and even if the EVM fails to perform as described or expected.
Safety-Critical or Life-Critical Applications. If you intend to evaluate the components for possible use in safety critical applications (such
as life support) where a failure of the TI product would reasonably be expected to cause severe personal injury or death, such as devices
which are classified as FDA Class III or similar classification, then you must specifically notify TI of such intent and enter into a separate
Assurance and Indemnity Agreement.
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