Pin Function Grouping

flux

Yes — a more general grouping would be:

Table

General groupPins
PowerIN pin 13, OUT pins 10/11, BAT pins 2/3
GroundVSS pin 8, Thermal Pad
Control / ProgrammingCE pin 4, SYSOFF pin 15, EN1 pin 6, EN2 pin 5, ILIM pin 12, ISET pin 16, TMR pin 14
Sense / StatusTS pin 1, CHG pin 9, PGOOD pin 7
I kept each pin in only one group, and there is still no 3V3 group because this charger IC does not have a 3.3 V supply pin.
adrian95

adrian95

Apply this to each pin.

flux

I’ve created the plan and started work on applying the general pin groups to every pin.
adrian95

adrian95

Apply the goal.

flux

Applied the general functional grouping to all pins, with each pin assigned to exactly one group: Power, Ground, Control / Programming, or Sense / Status. I also updated the pin types from the datasheet where they were previously unspecified.
Run ERC/DRC
Verify ~CHG
Find incomplete pins
Document pin groups

Set Section to "Power" on IN, OUT_1, OUT_2, and 2 more, Set Pin Group to "Power" on IN, OUT_1, OUT_2, and 2 more, and 13 more changes

Set IN's Section to "Power"

Set IN's Pin Group to "Power"

Set IN's Pin Type to "Power In"

Set OUT_1's Section to "Power"

Set OUT_1's Pin Group to "Power"

Set OUT_1's Pin Type to "Power Out"

Set OUT_2's Section to "Power"

Set OUT_2's Pin Group to "Power"

Set OUT_2's Pin Type to "Power Out"

Set BAT_1's Section to "Power"

Set BAT_1's Pin Group to "Power"

Set BAT_1's Pin Type to "Bi-Directional"

Set BAT_2's Section to "Power"

Set BAT_2's Pin Group to "Power"

Set BAT_2's Pin Type to "Bi-Directional"

Set VSS's Section to "Ground"

Set VSS's Pin Group to "Ground"

Set VSS's Pin Type to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Thermal Pad"

Set ~CE's Section to "Control / Programming"

Set ~CE's Pin Group to "Control / Programming"

Set ~CE's Pin Type to "Input"

Set SYSOFF's Section to "Control / Programming"

Set SYSOFF's Pin Group to "Control / Programming"

Set SYSOFF's Pin Type to "Input"

Set EN1's Section to "Control / Programming"

Set EN1's Pin Group to "Control / Programming"

Set EN1's Pin Type to "Input"

Set EN2's Section to "Control / Programming"

Set EN2's Pin Group to "Control / Programming"

Set EN2's Pin Type to "Input"

Set ILIM's Section to "Control / Programming"

Set ILIM's Pin Group to "Control / Programming"

Set ILIM's Pin Type to "Input"

Set ISET's Section to "Control / Programming"

Set ISET's Pin Group to "Control / Programming"

Set ISET's Pin Type to "Bi-Directional"

Set TMR's Section to "Control / Programming"

Set TMR's Pin Group to "Control / Programming"

Set TMR's Pin Type to "Input"

Set TS's Section to "Sense / Status"

Set TS's Pin Group to "Sense / Status"

Set TS's Pin Type to "Input"

Set ~CHG's Section to "Sense / Status"

Set ~CHG's Pin Group to "Sense / Status"

Set ~CHG's Pin Type to "Output"

Set ~PGOOD's Section to "Sense / Status"

Set ~PGOOD's Pin Group to "Sense / Status"

Set ~PGOOD's Pin Type to "Output"

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    stp

    BQ24075RGTR

    BQ24075RGTR.stp3D Model
    kicad_mod

    BQ24075RGTR

    QFN50P300X300X100-17N-D.kicad_modFootprint
    BQ24075RGTR-thumb.png

    BQ24075RGTR-thumb.png

    BQ24075RGTR-thumbThumbnail
    BQ24075RGTR

    BQ24075RGTR

    BQ24075RGTR Symbol.svgDefault

    BQ24075RGTR

    BQ24075RGTR thumbnail
    Charger IC Lithium Ion 16-VQFN (3x3)
    The BQ24075RGTR is a standalone linear charger and power-path management integrated circuit developed by Texas Instruments for single-cell lithium-ion and lithium-polymer battery applications. The device is designed for portable and space-constrained electronic systems requiring efficient battery charging, USB compatibility, and simultaneous system power delivery.
    The integrated dynamic power-path management architecture enables the system load to be powered while independently charging the battery. The charger supports operation from either a USB power source or an external adapter and includes programmable charging and input current limiting functions for optimized power management.
    The device incorporates multiple protection and monitoring features including thermal regulation, overvoltage protection, reverse current protection, battery temperature monitoring, and safety timers. The BQ24075RGTR also provides battery disconnect capability through the SYSOFF control function, making it suitable for low-power and portable embedded designs.
    Typical applications include portable consumer electronics, handheld instruments, wearable devices, wireless accessories, battery-powered IoT equipment, medical portable systems, and embedded rechargeable products.
    Device Features Standalone single-cell lithium-ion and lithium-polymer battery charger Integrated power-path management architecture Simultaneous battery charging and system power support USB-compatible input current limiting Programmable fast-charge current capability Dynamic power management for unstable or limited input sources Battery temperature monitoring through external thermistor input Integrated thermal regulation and protection mechanisms Reverse current, short-circuit, and input overvoltage protection Programmable safety timers for pre-charge and fast-charge modes Charging status and power-good indication outputs Battery disconnect functionality through SYSOFF control Compact surface-mount VQFN package implementation Electrical Characteristics Designed for single-cell lithium-ion or lithium-polymer batteries Fixed battery regulation voltage suitable for standard single-cell charging Supports USB and external adapter input operation Linear charging topology Wide operating temperature range for portable and industrial applications Programmable input current limit for USB compliance and adapter compatibility Package Information Package Type: VQFN Pin Configuration: Sixteen-pin package Mounting Style: Surface mount Package Dimensions: Compact three-millimeter square footprint Functional Overview
    The BQ24075RGTR manages power distribution between the external input source, the system load, and the rechargeable battery. When external power is present, the device prioritizes powering the system while charging the battery according to programmable charging parameters. Dynamic power management prevents excessive loading of weak USB or adapter sources by automatically reducing charging current when necessary.
    Thermal regulation circuitry continuously monitors device temperature and adjusts charging operation to maintain safe operating conditions. Additional integrated protection functions ensure reliable operation during fault conditions such as input overvoltage, battery temperature abnormalities, reverse current flow, and output short circuits.
    #commonpartslibrary #integratedcircuit #powermanagement

    Properties

    BQ24075RGTR

    Texas Instruments

    Integrated Circuits

    ti.com/lit/ds/symlink/bq24075.pdf

    IC

    parametric-v1

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