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BQ2063DBQ Datasheet(PDF) 2 Page - Texas Instruments |
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BQ2063DBQ Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 60 page  bq2063 SBS v1.1COMPLIANT LiION GASGAUGE IC WITH PROTECTOR INTERFACE SLUS468E− MAY 2001 − REVISED APRIL 2002 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL I/O DESCRIPTION NAME No. I/O DESCRIPTION CTL2−CTL4 9–11 O 3-state outputs to interface the S-8243 protection IC DISP 17 I Display control for the LED drivers LED1 −LED5 ESCL 2 O Serial memory clock for data transfer between the bq2063 and the external nonvolatile configuration memory ESDA 3 I/O Bidirectional pin that transfers address and data to and from the bq2063 and the external nonvolatile configuration memory GND 24–25 Must be tied externally to VSS HDQ16 1 I/O Serial communication open-drain bidirectional communications port LED1−LED5 12–16 O LED display segments that each may drive an external LED RBI 4 I Register backup that provides backup potential to the bq2063 registers during periods of low operating voltage. RBI accepts a storage capacitor or a battery input REG 5 O Regular output to control an n-JFET for Vcc regulation to the bq2063 from the battery potential SAFETY 26 O Open-drain output for an additional level of safety protection (e.g., fuse blow) SMBC 28 I/O SMBus clock open-drain bidirectional pin used to clock the data transfer to and from the bq2063 SMBD 27 I/O SMBus data open-drain bidirectional pin used to transfer address and data to and from the bq2063 SRC 20 I Current-sense voltage to monitor instantaneous current SR1−SR2 22–21 I Connections for a small-value sense resistor to monitor the battery charge- and discharge-current flow THON 18 O Control for external FETs to connect the thermistor bias resistor during a temperature measurement TS 19 I Thermistor voltage input connection to monitor temperature VCC 7 I Supply voltage VCELL 23 I Single-cell voltage input that monitors the series element cell voltages from the S-8243 VOUT 6 O VCC output that supplies power to the external EEPROM configuration memory VSS 8 Ground absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltage (VCC with respect to VSS) 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, V(IN), all other pins (all with respect to VSS) 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA −20 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, TSTG −20 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Junction temperature range, TJ −40 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature (soldering, 10 s) 300 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. Not Recommended For New Designs |
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