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BQ2040 Datasheet(PDF) 4 Page - Texas Instruments |
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BQ2040 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 33 page  4 bq2040 Parameter Name Address Description Length Units EEPROM length 0x00 Number of EEPROM data locations must = 0x64 8 bits NA EEPROM check1 0x01 EEPROM data integrity check byte, must = 0x5b 8 bits NA Remaining time alarm 0x02/0x03 Sets RemainingTimeAlarm (0x02) 16 bits minutes Remaining capacity alarm 0x04/0x05 Sets RemainingCapacityAlarm (0x01) 16 bits mAh Reserved 0x06/0x07 Reserved for future use 16 bits NA Initial charging current 0x08/0x09 Sets the initial charging current 16 bits mA Charging voltage 0x0a/0x0b Sets ChargingVoltage (0x15) 16 bits mV Battery status 0x0c/0x0d Initializes BatteryStatus (0x16) 16 bits NA Cycle count 0x0e/0x0f Initializes and stores CycleCount (0x17) 16 bits cycles Design capacity 0x10/0x11 Sets DesignCapacity (0x18) 16 bits mAh Design voltage 0x12/0x13 Sets DesignVoltage (0x19) 16 bits mV Specification information 0x14/0x15 Programs SpecificationInfo (0x1a) 16 bits NA Manufacture date 0x16/0x17 Programs ManufactureDate (0x1b) 16 bits NA Serial number 0x18/0x19 Programs SerialNumber (0x1c) 16 bits NA Fast-charging current 0x1a/0x1b Sets ChargingCurrent (0x14) 16 bits mA Maintenance-charge current 0x1c/0x1d Sets the trickle current request 16 bits mA Reserved 0x1e/0x1f Reserved must = 0x0000 16 bits mAh Manufacturer name 0x20-0x2b Programs ManufacturerName (0x20) 96 bits NA Current overload 0x2c/0x2d Sets the overload current threshold 16 bits mA Battery low % 0x2e Sets the battery low amount 8 bits % Reserved 0x2f Reserved for future use 8 bits NA Device name 0x30-0x37 Programs DeviceName (0x21) 64 bits NA Li-Ion taper current 0x38/0x39 Sets the upper limit of the taper current for charge termination 16 bits mA Maximum overcharge limit 0x3a/0x3b Sets the maximum amount of overcharge 16 bits NA Reserved 0x3c Reserved must = 0x00 8 bits NA Access protect 0x3d Locks commands outside of the SBS data set 8 bits NA FLAGS1 0x3e Initializes FLAGS1 8 bits NA FLAGS2 0x3f Initializes FLAGS2 8 bits NA Device chemistry 0x40-0x45 Programs DeviceChemistry (0x22) 48 bits NA Current measurement gain 0x46/0x47 Sense resistor calibration value 16 bits NA Battery voltage offset 0x48 Voltage calibration value 8 bits NA Temperature offset 0x49 Temperature calibration value 8 bits NA Maximum temperature and ∆T step 0x4a Sets the maximum charge temperature and the ∆T step for ∆T/∆t termination 8 bits NA Table 1. Configuration Memory Map |
Similar Part No. - BQ2040 |
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Similar Description - BQ2040 |
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