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Description
The ISL6294AEVAL1Z is an evaluation tool for the
ISL6294A single-cell Li-ion battery charger. The evaluation
tool provides a complete evaluation platform addressing all
data sheet specifications and functionality. The jumpers on
the board facilitate the programming of the charge current,
different charging conditions, and can be used to make other
necessary connections, such as current measurement.
The ISL6294A is a fully integrated single-cell Li-ion battery
charger. The ISL6294A accepts input voltages ranging from
4.5V up to 28V. Due to the high voltage capability, the
components associated with the cradle input circuit on the
evaluation board are good for a 28V supply.
The components assembled in the center square constitute
a complete charger, indicating the space saving advantage
of the typical ISL6294A installation in space-limited
applications.
Ordering Information
PART NUMBER
ISL6294AEVAL1Z
Evaluation Board for ISL6294A
Pinout
ISL6294A
(8 LD DFN)
TOP VIEW
VIN
1
PPR
2
CHG
3
EN
4
Application Note
DESCRIPTION
BAT
8
IREF
7
6
IMIN
5
GND
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
ISL6294AEVAL1Z Evaluation Board
May 5, 2009
Features
• A Complete Evaluation Platform for the ISL6294A Charger
• The Center Square Suggesting the Space Saving
Advantage of the Typical Components Assembly
• Cradle Input Accepts Voltage up to 28V
• Flexible Power Connectors Each with a Hook and a
Solder Pad Providing Variety to Users
• Convenient Jumpers for Programming the Charge
Current, Charge Mode, and for Current Measurement
• 3.5x2.5 Square Inches Board Size Handy for Evaluation
• Thermal Vias in the Thermal Pad Similar To Customers'
Thermally Enhanced Environment
• On-Board LEDs for Input PPR and CHG State Indication
What is Needed
The following instruments will be needed to perform testing:
• Power supplies:
1) PS1: DC 30V/2A
2) PS2: DC 10V/2A
3) PS3: DC 10V/2A
• DC Electronic load: 20V/2A
• Multimeters
• Function generator
• Oscilloscope
• Cables and wires
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Intersil (and design) is a registered trademark of Intersil Americas Inc.
All other trademarks mentioned are the property of their respective owners.
Application Manual
AN1457.0
Copyright Intersil Americas Inc. 2009. All Rights Reserved
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Summary of Contents for Intersil ISL6294AEVAL1Z
- Page 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2009. All Rights Reserved All other trademarks mentioned are the property of their respective owners.
- Page 2 Application Note 1457 FIGURE 1. CONNECTION OF TEST INSTRUMENTS Quick Setup Guide (Refer to Figure 1) DO NOT APPLY POWER UNTIL STEP 5 Step 9: Insert a jumper shunt on JP7 and the current For Cradle Input meter I2 should read about 1.2A charging Step 1: Connect a 5V supply PS1 to CRDL input (J1, current...
- Page 3 Application Note 1457 Description of Jumper Settings JP4 - Connect a 243k resistor from IMIN pin to GND for 50mA EOC current. JP1 - Connects the EN pin to a pull-up voltage or GND. The pull-up voltage is either the BAT voltage (when a shunt is JP5 - Connect a 20k resistor from IREF to GND for 0.6A installed on JP3) or an external 3.3V power source (when charge current.
- Page 4 Application Note 1457 Board Design Schematic FIGURE 2. SCHEMATIC AN1457.0 May 5, 2009...
- Page 5 SML-LXT0805IW-TR Lumex Opto Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that the Application Note or Technical Brief is current before proceeding.
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