Pin Function Grouping for Datasheet

adrian95

adrian95

Looking at the datasheet of this component, can you group together pins by their functions? for example for Power, BAT, VSS etc Also can you place them into their respective sections based on their functions NOTE: If you group them, can you not add the same pin if you already added them in a group? You should know which pin function is common for its function

flux

I’ll extract the BQ41Z50 pin table from the datasheet, compare it to the current 33 pads, then update each pin’s functional group/section without duplicating any pin across groups.

flux

Done — I grouped all 33 BQ41Z50RSNR pins by datasheet function and placed each pin into one functional section only, with no duplicate pin assignments.
I also updated the pin descriptions and normalized the electrical pin types where possible: SMBus/GPIO/FUSE as bi-directional, analog sense pins as inputs, VSS/EP as ground, VCC/BAT as power inputs, and REG18/REG135 as power outputs.
Run ERC check
Review pin groups
Check layout constraints
Add decoupling caps
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BQ41Z50RSNR

BQ41Z50RSNR thumbnail
Battery Fuel Gauge IC Multi-Chemistry 32-QFN (4x4)
The BQ41Z50RSNR is a highly integrated battery fuel gauge and battery management IC designed for single-cell and multi-cell lithium-ion and lithium-polymer battery packs. It provides accurate battery monitoring, protection, authentication, and state estimation functions for portable, industrial, and embedded power applications. The device incorporates advanced Impedance Track™ fuel gauging technology to deliver precise state-of-charge, state-of-health, and runtime predictions across varying operating conditions and battery aging profiles.
The device integrates battery protection features including overvoltage, undervoltage, overcurrent, short-circuit, and temperature monitoring to enhance system safety and reliability. It supports SMBus and I²C communication interfaces for host processor interaction and system diagnostics. Internal flash memory allows programmable configuration parameters, calibration data, and battery profile storage.
The BQ41Z50RSNR is optimized for compact battery-powered systems requiring accurate fuel gauging, low power consumption, and robust battery protection capabilities. Typical applications include notebooks, handheld devices, industrial instruments, portable medical equipment, smart battery packs, and embedded rechargeable systems.
Engineering Specification Device Type
Battery Fuel Gauge and Battery Management IC
Battery Chemistry Support
Lithium-Ion and Lithium-Polymer
Cell Configuration
Supports multi-cell battery pack configurations
Fuel Gauging Technology
Impedance Track™ battery fuel gauging
Integrated Functions
Battery monitoring State-of-charge estimation State-of-health estimation Remaining runtime prediction Battery protection Cell balancing support Authentication support Temperature monitoring Data logging and diagnostics
Protection Features
Overvoltage protection Undervoltage protection Overcurrent protection Short-circuit protection Charge and discharge protection Thermal protection
Communication Interface
SMBus compatible I²C compatible interface
Non-Volatile Memory
Integrated flash memory for configuration and battery profile storage
Measurement Functions
Battery voltage measurement Current measurement Temperature sensing Capacity tracking Cycle count monitoring
Operating Voltage
Designed for rechargeable battery pack applications
Power Consumption
Low-power operation optimized for portable devices
Package Type
QFN package
Mounting Type
Surface-mount device
Operating Temperature Range
Industrial operating temperature range suitable for portable and embedded applications
Typical Applications
Smart battery packs Portable electronics Industrial handheld equipment Medical portable devices Rechargeable embedded systems Battery-powered instrumentation
#commonpartslibrary #integratedcircuit #powermanagement

Properties

BQ41Z50RSNR

Texas Instruments

Integrated Circuits

ti.com/lit/ds/symlink/bq41z50.pdf?ts=1764318474404

IC

creativecommons.org/licenses/by/4.0/

parametric-v1

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