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BQ7693003DBT Datasheet(PDF) 1 Page - Texas Instruments |
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BQ7693003DBT Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 63 page  Rc Rc Rc Rc Rsns Cc Cc Cc Cc Cc 100 0.1 µF 4.7 µF BAT VC5 VC4 VC3 VC2 VC1 VSS SCL SDA CHG DSG REGSRC REGOUT SRN SRP VC0 CAP1 TS1 Cf 100 0.1 µF 1 µF Rc Rf 1M 1M Rc 10k ALERT 1M PUSH-BUTTON FOR BOOT VCC GPIO SDA SCL VSS Cc 1 µF 0.1 µF 10 kΩ PACK + PACK– Companion Controller Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq76920, bq76930, bq76940 SLUSBK2F – OCTOBER 2013 – REVISED NOVEMBER 2015 bq769x0 3-Series to 15-Series Cell Battery Monitor Family for Li-Ion and Phosphate Applications 1 Introduction 1 1.1 Features – Undervoltage (UV) • AFE Monitoring Features – Secondary protector fault detection – Pure digital interface • Additional Features – Internal ADC measures cell voltage, die temperature, and external thermistor – Integrated cell balancing FETs – A separate, internal ADC measures pack – Charge, discharge low-side NCH FET drivers current (coulomb counter) – Alert interrupt to host microcontroller – Directly supports up to three thermistors – 2.5-V or 3.3-V output voltage regulator (103AT) – No EEPROM programming necessary • Hardware Protection Features – High supply voltage abs max (up to 108 V) – Overcurrent in discharge (OCD) – Simple I2C™ compatible interface (CRC option) – Short circuit in discharge (SCD) – Random cell connection tolerant – Overvoltage (OV) 1.2 Applications • Light Electric Vehicles (LEV): eBikes, eScooters, • Battery Backup and UPS Systems Pedelec, and Pedal-Assist Bicycles • Wireless Base Station Backup Systems • Power and Gardening Tools • 12-V, 18-V, 24-V, 36-V, and 48-V Battery Packs 1.3 Description The bq769x0 family of robust analog front-end (AFE) devices serves as part of a complete pack monitoring and protection solution for next-generation, high-power systems, such as light electric vehicles, power tools, and uninterruptible power supplies. The bq769x0 is designed with low power in mind: Sub-blocks within the IC may be enabled/disabled to control the overall chip current consumption, and a SHIP mode provides a simple way to put the pack into an ultra-low power state. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) bq76920 TSSOP (20) 6.50 mm × 4.40 mm bq76930 TSSOP (30) 7.80 mm × 4.40 mm bq76940 TSSOP (44) 11.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. 1.4 Simplified System Diagram 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA. |
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