unitrode EV2903 Скачать руководство пользователя страница 6

Appendix A: Troubleshooting

If the EV2903 Interface screen does not appear after
starting the program, then communication to the
EV2903 Evaluation board has not been established.
Please check the following:

Time-Out Error

On occasion, we have noticed that a communication
time-out error will occur. In most cases, clicking “OK”
will resume operation.

6

EV2903

Содержание EV2903

Страница 1: ...of the fast charge rate For safety charging is inhibited if the voltage of any cell is greater than 3 0V during charge or if the voltage of any cell is less than 0 4V when not charging open circuit vo...

Страница 2: ...a bus connection This con nection is made to the RS 232 cable con necting to the serial port of the PC EV2903 Configuration The EV2903 Evaluation Board operates with or without the Interface Program C...

Страница 3: ...started and communication has been established with the EV2903 board If this screen does not appear please refer to Appendix A Troubleshooting for possible solu tions Display and Functional Buttons Th...

Страница 4: ...y the EV2903 While charging the battery stack voltage may appear to jump around This action is due to the voltage being sampled at various times either during the charging pulse or during the idle per...

Страница 5: ...es EDV Please refer to the bq2903 data sheet Battery Stack Voltage EDV When the bq2903 senses EDV it disconnects the battery stack from the load At this time the bq2014 Gas Gauge cannot sense the batt...

Страница 6: ...fter starting the program then communication to the EV2903 Evaluation board has not been established Please check the following Time Out Error On occasion we have noticed that a communication time out...

Страница 7: ...3 U1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J1 1 2 3 4 5 6 CHARGE RED D1 DONE GREEN D2 VOLT RENEWAL1 VOLT RENEWAL3 1 VOLT RENEWAL2 VOLT RENEWAL4 IRLZ34 Q1 CELL_SEL S1 1 2 3 4 5 6 JP7 JP8 JP9 1N4001 D9 1N400...

Страница 8: ...12 JP3 1 3 2 JP4 1 3 2 JP5 1 3 2 JP6 1 3 2 0 1UF C3 SHEET_1 SHEET_1 SHEET_1 SHEET_1 1N4148 D8 1N4148 D7 1N4148 D3 1N4148 D6 1N4148 D5 P1 1 2 3 4 5 6 7 8 9 CHG DISP DONE SR SB EMPTY DQ REF VSS SEG5 SEG...

Страница 9: ...ONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE CRITICAL APPLICATIONS TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANT...

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