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Test Summary

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2 Test Summary

2.1 Definitions

This procedure details how to configure the HPA624 evaluation board. On the test procedure the following

naming conventions are followed.

VXX: External voltage supply name (VIN, VBAT, VTS)

LOADW; External load name (LOADR, LOADI)

V(TPyYy): Voltage at internal test point TPyyy. For example, V(TP1) means the voltage at

TP1.

V(Jxx): Voltage at jack terminal Jxx.

V(TP(XXX)): Voltage at test point “XXX”. For example, V(REGN) means the voltage at the test

point which is marked as “REGN”.

V(XXX, YYY): Voltage across point XXX and YYY.

I(JXX(YYY)): Current going out from the YYY terminal of jack XX.

Jxx(BBB): Terminal or pin BBB of jack xx

Jxx ON: Internal jumper Jxx terminals are shorted

Jxx OFF: Internal jumper Jxx terminals are open

Jxx (-YY-) ON: Internal jumper Jxx adjacent terminals marked as “YY” are shorted

Measure → A,B Check specified parameters A, B. If measured values are not within specified limits

the unit under test has failed.

Observe → A,B Observe if A, B occur. If they do not occur, the unit under test has failed.

Assembly drawings have location for jumpers, test points and individual components.

2.2 Safety

• Safety Glasses are to be worn.

• This test must be performed by qualified personnel trained in electronics theory and understand the

risks and hazards of the assembly to be tested.

• ESD precautions must be followed while handling electronic assemblies while performing this test.

• Precautions should be observed to avoid touching areas of the assembly that may get hot or present a

shock hazard during testing.

2.3 Quality

• Test data shall be made available upon request by Texas Instruments.

2.4 Apparel

• Electrostatic smock

• Electrostatic Gloves or finger cots

• Safety Glasses

• Ground ESD wrist strap

2.5 Equipment

• Power Supplies

Power Supply #1 (PS#1): a power supply capable of supplying 30-V at 5-A is required.

• Loads

LOAD #1 A 20V (or above), 3A (or above) electronic load that can operate at constant current and

constant voltage mode.

• Meters

Five Fluke 75 multi-meters, (equivalent or better)

600-kHz Synchronous Switch-Mode Li-Ion and Li-Polymer Host-Controlled SLVU495B–July 2011–Revised January 2012

Battery Charger With Integrated MOSFETs

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