Fuel gauge / battery monitor
pwr.batt.gauge
BOM rule hits · not reviewed — A hit means a BOM line matched this category's rules (ruleset 1.0.1+12960cbec977). It is a lead to read, not a located or reviewed circuit; several lines in one category are not several circuits.
Selection parameter template (suggestion)
What one usually states when choosing a circuit of this kind — not the parameters of any design or module listed here, and never a filter.
| Parameter | Suggested range or common values | Where it comes from |
|---|---|---|
| Battery typeDecisive | Li-ion / Li-polymerLiFePO4Multi-chemistry | Redefined here |
| Cells in series (s)Decisive | 1 to 4 s | Redefined here |
| AlgorithmImportant | Voltage methodCoulomb counterImpedance trackingModelGauge | This category's own |
| InterfaceImportant | I2CSMBus1-WireHDQ | This category's own |
In the parent's template, not in this one: Charge current, Input voltage, Input type, Power-path management, Charging topology
Template version 1.0.1+3e52bcb40ed6 (separate from the rules)
Design files with a hit (69)
- laptop - power-board
BOM013120 · power-board-20260922
BOM · 89 lineskicad4316 starsProject type: 电池充电与管理
Key parts: HUSB238, LTC2943, BQ7791501PWR
Function hits: Analog-to-digital converter (ADC), Wireless SoC / wireless module, ESD / TVS protection
Why it matched Fuel gauge / battery monitor: U2Licence MIT — as the catalogue declares it, not verified
- nucdeck - left-top-bms-rev1.1
BOM013163 · left-top-bms-rev1.1-9d95e1a
BOM · 33 lineskicad561 starsProject type: 电池充电与管理
Key parts: MAX17261METD+, BQ25792RQMR, DRV5053OAQDBZR
Function hits: ESD / TVS protection, Battery charger, Fuel gauge / battery monitor
Why it matched Fuel gauge / battery monitor: U1Licence CERN-OHL-S-2.0 — as the catalogue declares it, not verified
- OTTO-hardware - otto-power
BOM014645 · otto-power-0381fe6c
BOM · 30 lineskicad49 starsProject type: 接口转换及调试器
Key parts: MAX8903A, MAX17048, TPS61090
Function hits: Fuel gauge / battery monitor, Boost regulator, Low-dropout regulator (LDO)
Why it matched Fuel gauge / battery monitor: U2Licence GNU — as the catalogue declares it, not verified
- alarm-clock-v3 - 锂电电源与电量计板 PC-07
BOM013581 · alarm-psu-9e0562d
BOM · 24 lineskicad18 starsProject type: 嵌入式系统
Key parts: BQ27441-G1, BQ24075, TPS630701
Function hits: Battery charger, Fuel gauge / battery monitor, Buck-boost regulator
Why it matched Fuel gauge / battery monitor: U1Licence CC-BY-SA-4.0及原作者署名。电池、外部输入和负载需按原图配套 — as the catalogue declares it, not verified
- Adafruit LC709203F LiPoly / LiIon Fuel Gauge and Battery Monitor
BOM003591 · V1.0
BOM · 16 lineskicadProject type: 电能计量
Key parts: LC709203F
Function hits: Fuel gauge / battery monitor, Qwiic / STEMMA QT / Grove
Why it matched Fuel gauge / battery monitor: IC1Licence not stated in the catalogue
- Adafruit MAX17048
BOM003549 · V1.0
BOM · 16 lineskicadProject type: 电池充电与管理
Function hits: Fuel gauge / battery monitor, Qwiic / STEMMA QT / Grove
Why it matched Fuel gauge / battery monitor: X3Licence not stated in the catalogue
- AWS IoT ExpressLink SARA-R5 Starter Kit V2
BOM003673 · v10
BOM · 173 lineskicadProject type: SparkFun
Key parts: SARA-R510M8S, MCP73831, MAX17048
Function hits: Microphone / pickup, Logic gate / inverter / Schmitt trigger, Core board / dev board module
Why it matched Fuel gauge / battery monitor: U4Licence not stated in the catalogue
- BATDATUNIT01
BOM001285 · 1
BOM · 72 lineskicadKey parts: MAX14502AETL+, MS561101BA03-50, ATMEGA1284P-AU
Function hits: Analog switch / multiplexer, Real-time clock (RTC), Shift register / latch / flip-flop
Why it matched Fuel gauge / battery monitor: U12Licence not stated in the catalogue
- BQ27441 Fuel gauge breakout
BOM003826 · V1.0
BOM · 18 lineskicadProject type: 电池充电与管理
Key parts: BQ27441, SE5218
Function hits: Fuel gauge / battery monitor, Low-dropout regulator (LDO)
Why it matched Fuel gauge / battery monitor: U1Licence not stated in the catalogue
- elixir-hw
BOM009686 · Rev-C
BOM · 81 lineskicadProject type: Nordic
Key parts: TPS61299, MAX17262REWL+T, NRF9160-SICA-R7
Function hits: Analog switch / multiplexer, Real-time clock (RTC), Arm Cortex-M MCU
Why it matched Fuel gauge / battery monitor: U2Licence not stated in the catalogue
- Enhanced Accuracy Battery Fuel Gauge Reference Design for Low Power Industrial IoT Field Metering
BOM000395 · V1.0
BOM · 108 lineskicadProject type: 测试测量仪器
Key parts: MSP430FR2532IRGER, LSF0204RUTR, TPS62740DSSR
Function hits: Instrumentation / difference amplifier, Operational amplifier, Analog switch / multiplexer
Why it matched Fuel gauge / battery monitor: U19Licence not stated in the catalogue
- e-paper-climate-logger
BOM009608 · templog_mainboard
BOM · 28 lineskicadProject type: 传感器
Key parts: ESP32-S3-MINI-1, DS3231MZ, SHT4x
Function hits: Real-time clock (RTC), Analog-to-digital converter (ADC), Wireless SoC / wireless module
Why it matched Fuel gauge / battery monitor: U4Licence not stated in the catalogue
- ESP32 Thing Plus (USB-C)
BOM004093 · V1.0
BOM · 87 lineskicadProject type: SparkFun
Key parts: MCP73831, ESP-WROOM-3232D-NARROW, XC6222B331MR-G
Function hits: Addressable RGB LED (WS2812 etc.), Wireless SoC / wireless module, SD / microSD socket, eMMC
Why it matched Fuel gauge / battery monitor: U4Licence not stated in the catalogue
- Fuel Gauge Charger Breakout
BOM011528 · V1.0
BOM · 13 lineskicadProject type: 智能硬件
Key parts: BQ27421-G1, MCP73871
Function hits: Battery charger, Fuel gauge / battery monitor, USB connector (Type-C / Micro / A)
Why it matched Fuel gauge / battery monitor: U1Licence not stated in the catalogue
- glare
BOM010072 · GLARE-mainboard
BOM · 49 lineskicadProject type: 智能硬件
Key parts: ICM-20948, CH9102F, AP5054HTC
Function hits: Microphone / pickup, Addressable RGB LED (WS2812 etc.), Touch keys / touchscreen / gesture
Why it matched Fuel gauge / battery monitor: U5Licence not stated in the catalogue
- Grove - Coulomb Counter 3.3V to 5V (LTC2941)
BOM003127 · V1.0
BOM · 16 lineskicadProject type: The Modules
Key parts: XC6206P332MR, LTC2941
Function hits: Analog-to-digital converter (ADC), Fuel gauge / battery monitor, Low-dropout regulator (LDO)
Why it matched Fuel gauge / battery monitor: U3Licence not stated in the catalogue
- Grove - Coulomb Counter 3.3V to 5V(重复)
BOM002943 · v1.0
BOM · 16 lineskicadProject type: Seeed智能硬件模块
Key parts: XC6206P332MR, LTC2941
Function hits: Analog-to-digital converter (ADC), Fuel gauge / battery monitor, Low-dropout regulator (LDO)
Why it matched Fuel gauge / battery monitor: U3Licence not stated in the catalogue
- HealthyPi 5
BOM000613 · V5.6
BOM · 91 lineskicadProject type: Raspberry Pi
Key parts: MAX17048G+TDFN-08, TCR2EF33,LM(CT, ESP32-C3-MINI-1-N4
Function hits: Analog front end (biopotential / sensor), Arm Cortex-M MCU, RISC-V MCU
Why it matched Fuel gauge / battery monitor: U1Licence not stated in the catalogue
- HealthyPi Move
BOM001044 · v3
BOM · 51 lineskicadProject type: 智能硬件
Key parts: MAX17048G+TDFN-08, RV-8263-C7-32.768KHZ-20PPM-TA-QC, LSM6DS3TR
Function hits: Analog switch / multiplexer, Real-time clock (RTC), Wireless SoC / wireless module
Why it matched Fuel gauge / battery monitor: U1Licence not stated in the catalogue
- laptop
BOM004167 · Power-20260922
BOM · 89 lineskicadProject type: 智能硬件
Key parts: HUSB238, LTC2943, BQ7791501PWR
Function hits: Analog-to-digital converter (ADC), Wireless SoC / wireless module, ESD / TVS protection
Why it matched Fuel gauge / battery monitor: U2Licence not stated in the catalogue
- lion2cell01
BOM013027 · LION2CELL01-dual-series-cell
BOM · 49 lineskicadProject type: 电池充电与管理
Key parts: BQ29209, BQ24103, BQ34Z100
Function hits: Shift register / latch / flip-flop, Battery charger, Fuel gauge / battery monitor
Why it matched Fuel gauge / battery monitor: U3Licence not stated in the catalogue
- loriques
BOM009783 · Loriques-development
BOM · 59 lineskicadProject type: ESP
Key parts: ESP32-S3-WROOM-1, E22-900M30S, HDC3020DEFR
Function hits: Bus buffer / transceiver, FPGA / CPLD, Wireless SoC / wireless module
Why it matched Fuel gauge / battery monitor: IC10Licence not stated in the catalogue
- Maple Eye ESP32-S3 Alef
BOM000869 · Alef
BOM · 45 lineskicadProject type: ESP
Key parts: ESP32-S3-WROOM-1, ME4054B-N, ME6211C28M5G-N
Function hits: Microphone / pickup, Wireless SoC / wireless module, SD / microSD socket, eMMC
Why it matched Fuel gauge / battery monitor: U3Licence not stated in the catalogue
- meko
BOM008939 · V3-main-WIP
BOM · 107 lineskicadProject type: 嵌入式系统
Key parts: SAMA7D65-4HB, MT41K256M16TW, TPS7A2033PDBV
Function hits: SD / microSD socket, eMMC, DRAM (DDR / SDRAM), ESD / TVS protection
Why it matched Fuel gauge / battery monitor: U5Licence not stated in the catalogue