Datasheet

Test Summary

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2 Test Summary

This procedure describes one test configuration of the HPA759 evaluation board for bench evaluation.

2.1 Definitions

The following naming conventions are followed.

VXXX : External voltage supply name (VIN)

LOAD#: External load name

V(TPyyy): Voltage at internal test point TPyyy. For example, V(TP12) means the voltage at

TP12.

V(Jxx): Voltage at header Jxx

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

point which is marked as ACDET.

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

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

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

JPx ON : Internal jumper Jxx terminals are shorted.

JPx OFF: Internal jumper Jxx terminals are open.

JPx (-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 Recommended Test Equipment

2.2.1 Power Supplies

1. Power Supply #1 (PS #1) capable of supplying 6 V at 3 A is required.

2. If not using a battery as the load, then Power Supply #2 (PS #2) capable of supplying up to 5 V at 4 A

is required to power the circuit shown in Figure 2.

2.2.2 Load #1 between BAT and GND

Testing with an actual battery is the best way to verify operation in the system. If a battery is unavailable,

then a circuit similar to the one shown in Figure 2 can simulate a battery when connected to a second

power supply.

QFN-Packaged bq24278 Evaluation Module SLUU917–April 2012

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