Texas Instruments BQ24316EVM-251 Evaluation Module BQ24316EVM-251 BQ24316EVM-251 데이터 시트
제품 코드
BQ24316EVM-251
2.4.2
CFE Input Overvoltage Protection
2.4.3
CFE Load Overcurrent Protection
2.4.4
CFE Battery Overvoltage Protection
2.4.5
Charge IC Test Setup
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Test Summary
V.
Measure
Measure
→
V(J2(OUT)) = 0 V
±
500 mV
Observe
→
D2 on, D3 off.
6. Uninstall JMP3 (enable U1).
Measure
→
V(J2(OUT)) = 5.5 V
±
200 mV (For HPA245-001, -002, -009 only)
Measure
→
V(J2(OUT)) = 4.5 V
±
200 mV (For HPA245-003 only)
Measure
→
V(J2(OUT)) = 5 V
±
200 mV (For HPA245-004, -005, -006, -007, -008, -010, -011, 012,
-013 only)
Observe
Observe
→
D2 on, D3 on.
1. (For HPA245-001, -002, -003, -004, -013 only) Increase the voltage of PS#1 to 11V
±
0.1V
Measure
→
V(J2(OUT)) = 0 V
±
500 mV
Observe
→
D2 on, D3 off.
2. (For HPA245-005, -006, -007, -008, -009, -010, -011, -012 only) Increase the voltage of PS#1 to 8 V
±
0.1 V.
Measure
→
V(J2(OUT)) = 0 V
±
500 mV
Observe
→
D2 on, D3 off.
3. Decrease the voltage of PS#1 to 5 V
±
0.1 V.
Observe
→
D2 on, D3 on
1. (For HPA245-009, -010, skip 2.4.3 test and go to 2.4.4 test.)
2. Enable the output of the Load #1.
2. Enable the output of the Load #1.
Observe
→
D2 on, D3 on.
3. (For HPA245-001, -002, -003, -004, -013 only) Increase the current of Load #1 to 0.5A
±
0.1A
Observe
→
D2 on, D3 off.
4. (For HPA245-005, -006, -007, -008, -011, -012 only) Increase the current of Load #1 to 1.2 A
±
0.1 A.
Observe
→
D2 on, D3 off.
5. Turn off Load #1.
6. Decrease the voltage of PS#1 to 0 V
6. Decrease the voltage of PS#1 to 0 V
±
0.1 V.
1. Increase the output voltage of PS#1 to 5 V
±
0.1V.
Observe
→
D2 on, D3 on
2. Increase the voltage of PS #2 to 4.6 V
±
0.1V.
Observe
→
D2 on, D3 off.
3. Decrease the voltage of PS #2 to 3.7 V
±
0.1V.
Observe
→
D2 on, D3 on.
4. Turn off all the power supplies and loads. Remove all connection between test board and power
supplies or loads.
1. Set the power supply #1 for 0 V
±
100 mVDC, 2-A
±
0.1-A current limit and then disable the output.
2. Connect the output of power supply #1 to J3 (CHG IN, DC–).
3. Connect a voltage meter across J3 (CHG IN, DC–).
4. Set the voltage of Load #2 to 3.6 V
3. Connect a voltage meter across J3 (CHG IN, DC–).
4. Set the voltage of Load #2 to 3.6 V
±
0.1 V, disable output of Load #2.
5. Connect output of the Load #2 in series with a current meter (multimeter) to J4 (BAT+, BAT–). Ensure
that a voltage meter is connected across J4 (BAT+, BAT–).
SLUU291A – August 2007 – Revised April 2008
bq2430x/1x/8x DSG EVM (HPA245) for Li+ Charger Front-End Protection IC
5