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BQ78PL116RGZT Datasheet(PDF) 2 Page - Texas Instruments |
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BQ78PL116RGZT Datasheet(HTML) 2 Page - Texas Instruments |
2 / 37 page Core / CPU Measure I/O Safety B0320-03 PRE CHG EFCID EFCIC SMBus DSG SMBCLK SMBDAT SPROT CSBAT CSPACK GPIO 7 Voltage Temp Balance V4 P4N P4S XT4 V3 P3N P3S XT3 V2 P2N P2S XT2 Voltage Temp Balance Voltage Temp Balance Voltage Temp Balance 2.5VLDO VLDO1 Watchdog Coulomb Counter CCBAT CCPACK Current A/D RSTN Internal Temperature RISC CPU Internal Oscillator Reset Logic First-LevelSafety and FET Control Second-Level Safety LED1–5/SEG1–5, PSH/BP/TP, FIELD PowerLAN Communication Link P-LAN V1 P1N P1S XT1 bq78PL116 SLUSAB8B – OCTOBER 2010 – REVISED FEBRUARY 2011 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. DESCRIPTION (CONTINUED) Temperature is sensed by up to 4 external sensors and one on-chip sensor. This permits accurate temperature monitoring of each cell individually. Firmware is then able to compensate for the temperature-induced effects on capacity, impedance, and OCV on a cell-by-cell basis, resulting in superior charge/ discharge and balancing control. External MOSFET control inputs provide user- definable direct hardware control over MOSFET states. Smart control prevents excessive current through MOSFET body diodes. Auxiliary inputs can be used for enhanced safety and control in large multicell arrays. The bq78PL116 is completely user-configurable, with parametric tables in flash memory to suit a variety of cell chemistries, operating conditions, safety controls, and data reporting needs. It is easily configured using the supplied bqWizard ™ graphical user interface (GUI). The device is fully programmed and requires no algorithm or firmware development. The bq78PL116 pin functions of LED1/SEG1 –LED5/SEG5, PSH/BP/TP, and FIELD support LED, LCD, and electronic paper displays (EPDs). The user can configure the bq78PL116 for the desired display type. Figure 1. BQ78PL116 Internal Block Diagram 2 Submit Documentation Feedback © 2010–2011, Texas Instruments Incorporated Product Folder Link(s): bq78PL116 |
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