BQ7692003PWR BQ7693003DBTR BQ7694003DBTR Power Path Management IC Battery Management 3 to 5 series cell Li-Ion Batt
Brand Name:TI
Model Number:BQ7692003PWR
Minimum Order Quantity:Contact us
Delivery Time:The goods will be shipped within 3 days once received fund
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Price:Contact us
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Shenzhen China
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Room 1204, DingCheng International Building, 518028 Futian District, SHENZHEN, CN
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Product Details
BQ7692003PWR BQ7693003DBTR BQ7694003DBTR Power Path Management IC Battery Management 3 to 5 series cell Li-Ion Batt
1 Features
AFE monitoring features
– Pure digital interface
– Internal ADC measures cell voltage, die temperature, and external thermistor
– A separate, internal ADC measures pack current (coulomb counter)
– Directly supports up to three thermistors (103AT)
Hardware protection features
– Overcurrent in Discharge (OCD)
– Short Circuit in Discharge (SCD)
– Overvoltage (OV)
– Undervoltage (UV)
– Secondary protector fault detection
Additional features
– Integrated cell balancing FETs
– Charge, discharge low-side NCH FET drivers
– Alert interrupt to host microcontroller
– 2.5-V or 3.3-V output voltage regulator
– No EEPROM programming necessary
– High supply voltage absolute maximum (up to 108 V)
– Simple I2C compatible interface (CRC option)
– Random cell connection tolerant
2 Applications
Light electric vehicles (LEV): eBikes, eScooters, pedelec, and pedal-assist bicycles
Power tools and garden tools
Battery backup units (BBUS), energy storage systems (ESS) and uninterruptible power supply (UPS) systems
Wireless base station backup systems
12-V, 18-V, 24-V, 36-V, and 48-V industrial battery packs
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 or 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.
The bq76920 device supports up to 5-series cells or typical 18-V packs, the bq76930 handles up to 10- series cells or typical 36-V packs, and the bq76940 works for up to 15-series cells or typical 48-V packs. A variety of battery chemistries may be managed with these AFEs, including Lithium Ion, Lithium iron phosphate, and more. Through I2C, a host controller can use the bq769x0 to implement many battery pack management functions, such as monitoring (cell voltages, pack current, pack temperatures), protection (controlling charge/discharge FETs), and balancing. Integrated A/D converters enable a purely digital readout of critical system parameters, with calibration handled in TI’s manufacturing process.
Device Information
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 |
BQ7692003PWR BQ7693003DBTR BQ7694003DBTR Power Path Management IC Battery Management 3 to 5 series cell Li-Ion Batt
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