Intersil ISL9220IRTZEVAL1Z Application Note
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Intersil ISL9220IRTZEVAL1Z Application Note

1/2-cell
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ISL9220IRTZEVAL1Z (1-cell), ISL9220AIRTZEVAL1Z
(2-cell) Evaluation Board

Evaluation Board Features

• Operating Input Voltage Range:
- 4.5V to 14V for ISL9220IRTZEVAL1Z
- 9.0V to 14V for ISL9220AIRTZEVAL1Z
• Up to 2A Charge Current
• Two Status Outputs
• 1.2MHz Switching Frequency
• Connector, Test Point and Jumper
February 9, 2012
AN1589.2
FIGURE 1. QUICK SETUP DIAGRAM
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774

Application Note 1589

Required Equipment

• Power Supply (PS1 & PS2) Capable of Supplying up to 18V
and 3A
• Electronic Load (E-Load) (20V/5A), Voltmeter, Oscilloscope
|
Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.

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Summary of Contents for Intersil ISL9220IRTZEVAL1Z

  • Page 1: Application Note

    CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. AN1589.2 1-888-INTERSIL or 1-888-468-3774 Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners.

  • Page 2: Quick Setup Guide

    Application Note 1589 Quick Setup Guide 12. Insert a shunt on JP8. The resistance on the ISET1 pin becomes 33.3kΩ and I2 will measure 1.5A±10% charge 1. Insert shunts on left two pins of H6, H5 for normal operation current. and H4 to disable timeout if needed.

  • Page 3: Evaluation Board Layout

    Application Note 1589 Evaluation Board Layout ISL9220IRTZEVAL1Z FIGURE 3. SILKSCREEN TOP FIGURE 4. TOP LAYER February 9, 2012 AN1589.2...
  • Page 4 Application Note 1589 Evaluation Board Layout (Continued) FIGURE 5. BOTTOM LAYER (AGND) TABLE 1. ISL9220, ISL9220A EVALUATION BOARD BILL OF MATERIALS ITEM# DESIGNATOR PART TYPE FOOTPRINT DESCRIPTION VENDORS 0.033Ω 1/3W 1% 1210 P33NACT-ND DIGIKEY RMCF1/1622FRTE-ND DIGIKEY R3, R4 2kΩ 311-2.00KHRCT-ND DIGIKEY 49.9kΩ...
  • Page 5 Parallels an additional 600kΩ resistor to ISET2 pin to set a trickle charge current of 140mA 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.
  • Page 6 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Intersil ISL9220IRTZEVAL1Z...

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