ISL6292EVAL2【PDF 1/6 页】EVALUATION BOARD 2 ISL6292

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Application Note 1064

ISL6292EVAL2Z Evaluation Board

Description

The ISL6292EVAL2Z is a complete platform for the evaluation

on all datasheet specifications and functionalities. The on

board 9-bit DIP switch facilitates programming charging

current, setting EN input, battery thermal status, and so on.

The four jumpers can set up input source selection, USB mode

selection, and can be used to make other necessary

connections.

The ISL6292EVAL2Z board is intended to provide an

evaluation platform for the 4mmx4mm 2 QFN ISL6292

package, the single-cell Li-ion battery charger.

Assembled in the center square, the components constitute a

complete charger solution, demonstrating the space saving

advantage of the ISL6292 in limited space applications.

LEDs connected to STATUS and FAULT pins will indicate the

normal charging status or fault condition.

On board jumpers and a DIP switch accommodate different

operating conditions for the charger.

Ordering Information

PART # DESCRIPTION

Key Features

? 9-bit DIP switch for conveniently setting up charging current,

battery thermal status, EN input, and so on.

? Different jumpers for input source selection, USB mode

selection, and the convenience of current measurement.

? Several exposed soldering pads connected to STATUS,

FAULT, TIME, EN, V2P8, IMIN and TEMP functional pins to

accommodate experimental testing that need extra

connections to those pins.

? Board size 3.5x2.5 square inches for the convenience of

evaluation.

? Eight thermal vias in the thermal pad simulating the

customers’ thermal enhanced environment.

What Is Needed

The following instruments will be needed to perform testing:

? Power supplies:

1. PS1: DC 20V/5A,

2. PS2: DC (sinks current) 20V/5A, such as

Agilent 6654A

? Electronic load: 20V/5A

ISL6292EVAL2Z

Evaluation Board for the 4x4 QFN

Package Part.

? Multimeters

? Function generator

What Is Inside

The Evaluation Kit contains:

? ISL6292EVAL2Z board

? The ISL6292 Data Sheet

? This ISL6292EVAL2Z Application Note

? Errata (for preliminary reference only)

Pin Configuration

? Oscilloscope

? Cables and wires

Quick Setup Guide

Step 1: Switch on bit 4 and bit 7 of the Dip-switch. Leave all

other bits off; see Figure 1.

DO NOT APPLY POWER UNTIL STEP 6

ISL6292

(16 LD 4X4 QFN)

TOP VIEW

Step 2:

Step 3:

Step 4:

Connect 5V on VIN.

Connect 3.7V on VBAT.

Connect 1.2A electronic load on VBAT.

VIN 1

FAULT 2

STATUS 3

TIME 4

12 VBAT

11 TEMP

10 IMIN

IREF

Step 5:

Step 6:

Step 7:

Step 8:

Verify that no shunts across all jumpers.

Turn on Power Supplies and electronic load.

Green LED should be on, indicating normal charging

operation.

If current meter is in series with VIN, it shall read 1A

as the charging current.

July 26, 2011

AN1064.1

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 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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